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BNT162b2
2.5 Clinical Overview
CONFIDENTIAL
Page 12.5 CLINICAL OVERVIE W
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Page 2TABLE OF CONTENTS
LIST OF IN -TEXT TABL ES................................ ................................ ................................ ....5
LIST OF IN -TEXT FIGU RES................................ ................................ ................................ ...9
ABBREVIAT IONS ................................ ................................ ................................ ................. 10
2.5. CLINI CAL  OVERVI EW................................ ................................ ................................ ..12
2.5.1. Product Development Rationale ................................ ................................ ........... 14
2.5.1.1. Therapeutic Context ................................ ................................ ................. 14
2.5.1.1.1. Disease or Condition ................................ .............................. 14
2.5.1.1.2. Clinical Features and Epidemiology  of COVID -19............... 14
2.5.1.2. Vaccine Clinical Development Program ................................ ................. 15
2.5.1.2.1. Rationale for Development ................................ .................... 15
2.5.1.2.2. Vaccine Product I nformation ................................ ................. 15
2.5.1.2.3. Vaccine Development Program ................................ .............. 15
2.5.1.2.4. Proposed Indication ................................ ................................ 17
2.5.1.2.5. Rationale for Candidate and Dose Selection .......................... 17
2.5.1.3. Regulatory  Status ................................ ................................ ..................... 18
2.5.1.4. Ethical Considerations ................................ ................................ ............. 20
2.5.2. Overview of Biopharmaceutics ................................ ................................ ............ 20
2.5.2.1. Formulation Development ................................ ................................ .......20
2.5.2.2. Biopharmaceutical Studies ................................ ................................ ......20
2.5.2.3. Bioanal ytical and Analy tical Methods Used in Human Studies .............. 20
2.5.3. Overview of Clinical Pharmacology ................................ ................................ ....21
2.5.4. Overview of Efficacy  (Including Immunogenicity )................................ ............. 21
2.5.4.1. Efficacy  Endpoints and Anal ysis Methods ................................ .............. 21
2.5.4.1.1. Efficacy  Endpoints ................................ ................................ .21
2.5.4.1.2. Efficacy  Anal ysis Methods ................................ .................... 23
2.5.4.2. I mmunogenicit y Endpoints and Analy sis Methods ................................ .23
2.5.4.2.1. I mmunogenicity  Endpoints ................................ .................... 23
2.5.4.2.2. I mmunogenicity  Analy sis Methods ................................ .......23
2.5.4.3. Efficacy  Results ................................ ................................ ....................... 24
2.5.4.3.1. Updated Anal ysis of Efficacy  –Adolescents 12 -15 
Years of Age ................................ ................................ ...................... 24
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Page 32.5.4.4. I mmunogenicit y Results ................................ ................................ .......... 36
2.5.4.4.1. I mmunogenicity  Populations ................................ .................. 36
2.5.4.4.2. Noninferiorit y Between 12- 15 Years of Age and 16 -25 
Years of Age Groups ................................ ................................ ......... 37
2.5.4.4.3. I mmunogenicity  Conclusions ................................ ................. 37
2.5.5. Overview of Safety................................ ................................ ............................... 38
2.5.5.1. Safet y Endpoints and Anal ysis Methods ................................ ................. 38
2.5.5.1.1. Safet y Endpoints ................................ ................................ ....38
2.5.5.1.2. Safet y Anal ysis Methods ................................ ........................ 39
2.5.5.2. Safet y Results ................................ ................................ .......................... 40
2.5.5.2.1. Safet y Populations ................................ ................................ ..40
2.5.5.2.2. Reactogenicit y................................ ................................ ........ 47
2.5.5.2. 3. Adverse Events ................................ ................................ .......47
2.5.5.2.4. Deaths ................................ ................................ ..................... 98
2.5.5.2.5. Serious Adverse Events ................................ .......................... 98
2.5.5.2.6. Adverse Events L eading to Withdrawal ............................... 111
2.5.5.2.7. Other Significant Adverse Events –Phase 3 ........................ 112
2.5.5.3. Other Safet y Assessments ................................ ................................ ......119
2.5.5.3.1. Severe COVID -19 Illness ................................ ..................... 119
2.5.5.3.2. Pregnancies ................................ ................................ ........... 120
2.5.5.3.3. Adverse Drug Reactions................................ ....................... 120
2.5.5.4. Safet y in Special Groups and Situations ................................ ................ 120
2.5.5.4.1. Geriatric Use ................................ ................................ ........ 120
2.5.5.4.2. Pediatric Use ................................ ................................ ........ 120
2.5.5.4.3. Use During Pregnancy  and Lactation................................ ...120
2.5.5.4.4. Use in Immunocompromised Individuals ............................ 121
2.5.5.4.5. Other Safet y Considerations ................................ ................. 121
2.5.5.5. Post -Auth orization Safety  Summary ................................ ..................... 121
2.5.5.6. Safet y Conclusions ................................ ................................ ................ 122
2.5.6. Benefits and Risks Conclusions ................................ ................................ ......... 122
2.5.6.1. Benefits ................................ ................................ ................................ ..123
2.5.6.2. Risks ................................ ................................ ................................ ......123
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Page 42.5.6.3. Supportive Real World and Post -Authorization Data Following 
Use of BNT162b2 in Children 12 -15 Years of Age ................................ ......125
2.5.6.4. Benefit -Risk Conclusions ................................ ................................ ......126
2.5.7. References ................................ ................................ ................................ .......... 128
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Page 5LIST OF IN -TEXT TABL ES
Table 1. Efficacy  Populations –Subjects 12 Through 15 Years of Age –
Blinded Placebo -Controlled Follow- up Period ................................ ........ 26
Table 2. Vaccine Efficac y –First COVID -19 Occurrence From 7 Day s After 
Dose 2 –Blinded Placebo-Controlled Follow- up Period –Subjects 
12 Through 15 Years of Age and Without Evidence of Infection 
Prior to 7 Day s After Dose 2 – Evaluable Efficacy (7 Day s) 
Population ................................ ................................ ................................ .28
Table 3. Vaccine Efficacy  –First COVID -19 Occurrence From 7 Day s After 
Dose 2 –Blinded Placebo-Controlled Follow- up Period –Subjects 
12 Through 15 Years of Age and With or Without Evidence of 
Infection Prior to 7 Day s After Dose 2 –Evaluable Efficacy  (7 
Days) Population ................................ ................................ ...................... 29
Table 4. Vaccine Efficacy  –First COVID -19 Occurrence After Dose 1 –
Blinded Placebo -Controlled Follow- up Period – Subjects 12 
Through 15 Years of Age –Dose 1 All -Available Efficacy  
Population ................................ ................................ ................................ .31
Table 5. Summary  of SARS -CoV -2 Variants for the First COVID -19 
Occurrence From 7 Day s After Dose 2 –Blinded Placebo -
Controlled Follow- up Period –Subjects 12 Through 15 Years of 
Age and With or Without Evidence of Infection Prior to 7 Day s 
After Dose 2 – Evaluable Efficacy  (7 Day s) Population .......................... 34
Table 6. Summary  of SARS -CoV -2 Variants of Concern or Variants of 
Interest for the First COVID -19 Occurrence From 7 Day s After 
Dose 2 –Blinded Placebo-Controlled Follow- up Period –Subjects 
12 Through 15 Years of Age and With or Without Evidence of 
Infection Prior to 7 Day s After Dose 2 – Evaluable Efficacy  (7 
Days) Population ................................ ................................ ...................... 35
Table 7. Safety  Population – Phase 2/3 Subjects 12 Through 15 Years of 
Age................................ ................................ ................................ ............ 40
Table 8. Follow -up Time After Dose 2 – Phase 2/3 Subjects 12 Through 15 
Years of Age –Safet y Population ................................ ............................ 41
Table 9. Follow -up Time After Dose 1 of BNT162b2 – Phase 2/3 Subjects 
12 Through 15 Years of Age (Subjects Who Originally  Received 
Placebo) – Safety  Popul ation ................................ ................................ ....42
Table 10. Disposition of All Randomized Subjects – Phase 2/3 Subjects 12 
Through 15 Years of Age ................................ ................................ ......... 43
Table 11. Demographic Characteristics –Phase 2/3 Subjects 12 Through 15 
Years of Age –Safet y Population ................................ ............................ 46
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Page 6Table 12. Incidence Rates of at Least 1 Adverse Event From Dose 1 to 
Unblinding Date –Blinded Placebo -Controlled Follow -up Period –
Phase 2/3 Subjects 12 Throu gh 15 Years of Age – Safety  
Population ................................ ................................ ................................ .50
Table 13. Incidence Rates of at Least 1 Adverse Event From Dose 1 to 
Unblinding Date, b y System Organ Class and Preferred Term –
Blinded Placebo -Controlled Follow- up Period – Phase 2/3 Subjects 
12 Through 15 Years of Age –Safet y Population ................................ ....53
Table 14. Number (%) of Subjects Reporting at Least 1 New Adverse Event 
After the EUA Snapshot, From Dose 1 to Unblinding Date –
Blinded Placebo -Controlled Follow- up Period – Phase 2/3 Subjects 
12 Through 15 Years of Age –Safet y Popu lation ................................ ....61
Table 15. Number (%) of Subjects Reporting at Least 1 New Adverse Event 
After the EUA Snapshot, From Dose 1 to Unblinding Date, by  
System Organ Class and Preferred Term –Blinded Placebo -
Controlled Follow- up Period –Phase 2/3 Subjects 12 Through 15 
Years of Age –Safet y Population ................................ ............................ 62
Table 16. Number (%) of Subjects Reporting at Least 1 New Severe Adverse 
Event After the EUA Snapshot, From Dose 1 to Unblinding Date, 
by System Organ Class and Preferred Term –Blinded Placebo -
Controlled Follow- up Period –Phase 2/3 Subjects 12 Through 15 
Years of Age –Safet y Population ................................ ............................ 66
Table 17. Incidence Rates of at Least 1 Adverse Event From Unbli nding Date 
to Data Cutoff Date (02SEP2021) –Open -Label Follow -up Period 
–Subjects Who Originally Received BNT162b2 –Phase 2/3 
Subjects 12 Through 15 Years of Age –Safet y Population ..................... 68
Table 18. Number (%) of Subjects Reporting at Least 1 Adverse Event From 
Dose 1 to 6 Months After Dose 2 –Subjects With at Least 6 
Months of Follow- up Time After Dose 2 – Phase 2/3 Subjects 12 
Throug h 15 Years of Age (Subjects Who Originally  Received 
BNT162b2) –Safet y Population ................................ .............................. 71
Table 19. Number (%) of Subjects Reporting at Least 1 Adverse Event From 
Dose 1 to 6 Months After Dose 2, b y Time Period – Subjects With 
at Least 6 Months of Follow- up Time After Dose 2 – Phase 2/3 
Subjects 12 Through 15 Years of Age (Subjects Who Originally 
Received BNT162b2) –Safety  Population ................................ ............... 72
Table 20. Number (%) of Subjects Reporting at Least 1 Adverse Event From 
Dose 1 to 6 Months After Dose 2, b y System Organ Class and 
Preferred Term – Subjects With at Least 6 Months of Follow -up 
Time After Dose 2 – Phase 2/3 Subjects 12 Through 15 Years of 
Age (Subjects Who Originally  Received BNT162b2) –Safet y 
Population ................................ ................................ ................................ .74
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Page 7Table 21. Number (%) of Subjects Reporting at Least 1 Adverse Event From 
Dose 1 to 6 Months After Dose 2, b y System Organ Class and 
Preferred Term and Time Period – Subjects With at L east 6 Months
of Follow -up Time After Dose 2 – Phase 2/3 Subjects 12 Through 
15 Years of Age (Subjects Who Originally  Received BNT162b2) –
Safety  Population ................................ ................................ ...................... 78
Table 22. Number (%) of Subjects Reporting at Least 1 New Adverse Event 
After the EUA Snapshot, From Dose 1 to 6 Months After Dose 2 –
Subjects With at Least 6 Months of Follow -up Time After Dose 2 –
Phase 2/3 Subjects 12 Through 15 Years of Age (Subjects Who 
Originall y Received BNT162b2) – Safet y Population ............................. 82
Table 23. Number (%) of Subjects Reporting at Least 1 New Adverse Event 
After the EUA Snapshot, From Dose 1 to 6 Months After Dose 2, 
by Time Period – Subjects With at Least 6 Months of Follow -up 
Time After Dose 2 – Phase 2/3 Subjects 12 Through 15 Years of 
Age (Subjects Who Originally  Received BNT162b2) –Safet y
Population ................................ ................................ ................................ .84
Table 24. Number (%) of Subjects Reporting at Least 1 New Adverse Event 
After the EUA Snapshot, From Dose 1 to 6 Month s After Dose 2, 
by System Organ Class and Preferred Term –Subjects With at 
Least 6 Months of Follow -up Time After Dose 2 –Phase 2/3 
Subjects 12 Through 15 Years of Age (Subjects Who Originally 
Received BNT162b2) –Safety  Population ................................ ............... 85
Table 25. Number (%) of Subjects Reporting at Least 1 New Adverse Event 
After the EUA Snapshot, From Dose 1 to 6 Months After Dose 2, 
by System Organ Cl ass and Preferred Term and Time Period –
Subjects With at Least 6 Months of Follow -up Time After Dose 2 –
Phase 2/3 Subjects 12 Through 15 Years of Age (Subjects Who 
Originall y Received BNT162b2) – Safet y Population ............................. 88
Table 26. Incidence Rates of at Least 1 Adverse Event From Dose 3 to Data 
Cutoff Date (02SEP2021) – Open -Label Follow -up Period –
Subjects Who Originally Received Placebo and Then Received 
BNT162b2 After Unblinding –Phase 2/3 Subjects 12 Through 15 
Years of Age –Safet y Population ................................ ............................ 92
Table 27. Incidence Rates of at Least 1 Adverse Event From Dose 3 to Data 
Cutoff Date (02SEP2021), by  System Organ Class and Preferred 
Term –Open -Label Follow -up Period – Subjects Who Originally  
Received Placebo and Then Received BNT162b2 After Unblinding 
–Phase 2/3 Subjects 12 Through 15 Years of Age – Safet y 
Population ................................ ................................ ................................ .93
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Page 8Table 28. Incidence Rates of at Least 1 Serious Adverse Event From Dos e 1 
to Unblinding Date, b y System Organ Class and Preferred Term –
Blinded Placebo -Controlled Follow- up Period – Phase 2/3 Subjects 
12 Through 15 Years of Age –Safet y Population ................................ ..101
Table 29. Number (%) of Subjects Reporting at Least 1 New Serious Adverse 
Event After the EUA Snapshot, From Dose 1 to Unblinding Date, 
by System Organ Class and Preferred Term –Blinded Placebo -
Controlled Follow -up Period –Phase 2/3 Subjects 12 Through 15 
Years of Age –Safet y Population ................................ .......................... 103
Table 30. Number (%) of Subjects Reporting at Least 1 Serious Adverse 
Event From Dose 1 to 6 Months After Dose 2, b y System Organ 
Class and Preferred Term –Subjects With at L east 6 Months of 
Follow -up Time After Dose 2 – Phase 2/3 Subjects 12 Through 15 
Years of Age (Subjects Who Originally  Receiv ed BNT162b2) –
Safety  Population ................................ ................................ .................... 105
Table 31. Number (%) of Subjects Reporting at Least 1 Serious Adverse 
Event From Dose 1 to 6 Months After Dose 2, b y System Organ 
Class and Preferred Term and Time Period – Subjects With at L east 
6 Months of Follow- up Time After Dose 2 – Phase 2/3 Subjects 12 
Through 15 Years of Age (Subjects Who Originally  Received 
BNT162b2) –Safet y Population ................................ ............................ 106
Table 32. Number (%) of Subjects Reporting at Least 1 New Serious Adverse 
Event After the EUA Snapshot, From Dose 1 to 6 Months Af ter 
Dose 2, b y System Organ Class and Preferred Term –Subjects 
With at Least 6 Months of Follow -up Time After Dose 2 – Phase 
2/3 Subjects 12 Through 15 Years of Age (Subjects Who Originally 
Received BNT162b2) –Safety  Population ................................ ............. 108
Table 33. Number (%) of Subjects Reporting at Least 1 New Serious Adverse 
Event After the EUA Snapshot, From Dose 1 to 6 Months After 
Dose 2, b y System Or gan Class and Preferred Term and Time 
Period – Subjects With at Least 6 Months of Follow -up Time After 
Dose 2 –Phase 2/3 Subjects 12 Through 15 Years of Age (Subjects 
Who Originally  Received BNT162b2) –Safet y Population .................. 109
Table 34. Incidence Rates of at Least 1 Serious Adverse Event From Dose 3 
to Data Cutoff Date (02SEP2021), by  System Organ Class and 
Preferred Term –Open -Label F ollow -up Period –Subjects Who 
Originall y Received Placebo and Then Received BNT162b2 After 
Unblinding –Phase 2/3 Subjects 12 Through 15 Years of Age –
Safety  Population ................................ ................................ .................... 111
Table 35. Subjects Reporting an Adverse Event of Lymphadenopath y –
Blinded Placebo -Controlled Follow- up Period – Phase 2/3 Subjects 
12 Through 15 Years of Age –Safet y Population ................................ ..114
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Page 9Table 36. Incidence Rates of at Least 1 Adverse Event of Special Interest 
From Dose 1 to Unblinding Date, b y System Organ Class and 
Preferred Term –Blinded Pla cebo -Controlled Follow -up Period –
Phase 2/3 Subjects 12 Through 15 Years of Age –Safety  
Population ................................ ................................ ............................... 116
Table 37. Subjects Reporting an Adverse Event of Arthralgia – Blinded 
Placebo- Controlled Follow -up Period – Phase 2/3 Subjects 12 
Through 15 Years of Age –Safet y Population ................................ .......118
Table 38. Number (%) of Subjects Reporting at Least 1 New Adverse Event 
of Special Interest After the EUA Snapshot, From Dose 1 to 
Unblinding Date, b y System Organ Class and Preferred Term –
Blinded Placebo -Controlled Follow- up Period – P hase 2/3 Subjects 
12 Through 15 Years of Age –Safet y Population ................................ ..119
LIST OF IN -TEXT FIGU RES
Figure 1. Cumulative I ncidence Curves for the First COVID- 19 Occurrence 
After Dose 1 – Subjects 12 Through 15 Years of Age –Blinded 
Placebo- Controlled Follow -up Period – Dose 1 All -Available 
Efficacy  Population ................................ ................................ .................. 32
Figure 2. Phase 2/3 Safet y Anal yses of Adolescent Participants: Time Periods 
and Anal ysis Groups ................................ ................................ ................. 49
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Page 10ABBREVIATIONS
Abbreviation Definition
ACIP Advisory Committee on Immunization Practices
ADR adverse reaction
AE adverse event
AESI adverse event of special interest
BLA (US FDA) Biologics License Application
BMI body mass index
CBER (US FDA) Center for Biologics Evaluation and Research 
CDC (US) Centers for Disease Control and Prevention
CFR case fatality rate
CI confidence interval
CO Clinical Overview
COVID -19 Coronavirus Disease 2019
CSR Clinical Study Report
DART developmental and reproductive toxicity
ECMO extracorporeal membrane oxygenation
EKG electrocardiogram
EMA European Medicines Agency
ER emergency room
EU European Union
EUA Emergency Use Application
FDA (US) Food and Drug Administration 
FIH first-in-human
GCP Good Clinical Practice
GLP Good Laboratory Practice
GMFR geometric mean -fold rise
GMR geometric mean ratio
GMT/GMC geometric mean titer/concentration 
HIV human immunodeficiency virus
ICH International Council on Harmonisation
ICU intensive care unit
IM intramuscular(ly)
IND Investigational New Drug application
iPSP initial Pediatric Study Plan
IQR interquartile range
IR incidence rate
LNP lipid nanoparticle
MAA Marketing Authorisation Application
MedDRA Medical Dictionary for Regulatory Activities
modRNA nucleoside- modified messenger RNA
mRNA messenger RNA
NAAT nucleic acid amplification testing
NHP non-human primate
NI noninferiority
PDCO Paediatric Committee
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Page 11Abbreviation Definition
PCR polymerase chain reaction
PIP Paediatric Investigational Plan
PSP Pediatric Study Plan
PT Preferred Term
PY person -years
RNA ribonucleic acid
RNA -LNP RNA lipid nanoparticle
RT-PCR reverse transcription –polymerase chain reaction
SAE serious adverse event
SAP statistical analysis plan
SARS severe acute respiratory syndrome
SARS -CoV-2 SARS Coronavirus -2; virus causing the disease COVID -19
SMQ Standard ized MedDRA query
SOC System  Organ Class
TME targeted medical event
US United States
VAERS Vaccine Adverse Event Reporting System
VE vaccine efficacy
VOC Variant of Concern
VOI Variant of Interest
WHO World Health Organization
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Page 122.5. CLINICAL OVERVIEW
This Clinical Overview (CO) describes the clinical data for a prophy lactic, RNA -based 
SARS -CoV -2 vaccine developed b y BioNTech and Pfizer. Evidence is summarized in this CO
for the updated efficacy  and safet y and tolerability of the vaccine administered to health y 
adolescent participants 12 -15 years of age .Additional safet y and efficacy details are presented in 
Module 5.3.5.1 C4591001 Adolescent 6- Month Update Interim CSR .
The pivotal data are derived from a single registration alstudy , Phase 1/2/3 Study  C4591001,
conducted under a United States (US) Investigational New Drug ( IND) Applica tion. The 
clinical experience reflected in this CO represents 2260study  participants 12-15 years of age .
The proposed indication and dosing administration for BNT162 b2(30 µg) are:
Proposed i ndication : Active immunization to prevent COVI D-19 disease caused by  
SARS -CoV -2 virus ,in individuals ≥12yearsof age
Dosing administration :single 0.3 mL intramuscular (IM) dose followed by  a second 0.3mL 
dose 3 weeks later
Study  C4591001, an ongoing Phase 1/2/3 study ,is the registrational and pivotal study  of the 
prophy lactic BNT162b2 vaccine candidate against COVID -19 in healthy  individuals 
≥12years of age that was initiated in April 2020. 
This ongoing study  has demonstrated the safet y, tolerability , immunogenicity , and efficacy  of 
BNT162b2 when administered as 2 doses of 30 µg given approximately  21 day s apart, which 
was the basis of the current authorizations and approvals. Study C4591001 data supporting 
authorization or licensure for the 2 -dose series in particip ants ≥12 y ears of age are 
summarized below:
Phase 1 evaluated safet y and immunogenicit y results in healthy  adult participants 
across dose levels of 2 vaccine candidates, BNT162b1 and BNT162b2. The Phase 1 
reactogenicity  and immunogenicity  profiles, combine d with available nonclinical 
animal study  data, led to the selection of BNT162b2 at the 30 -µg dose level to 
advance to Phase 2/3 evaluation.
Phase 2/3 evaluated efficacy  of BNT162b2 30 µg, and provided additional safet y, 
efficacy , and immunogenicity  data i n a larger population. Prespecified efficacy  (event
driven) in participants ≥12 y ears of age and ongoing safet y data in participants 
≥16years of age with a median of at least 2 months of follow -up after Dose 2 and up 
to a data cutoff date of 14 November 2 020 were previously  reported in the C4591001 
Final Anal ysis Interim Clinical Study  Report ( CSR) , dated 03 December 2020
(Module 5.3.5.1 C4591001 Final Anal ysis Interim CSR ). On 11 December 2020, the 
US FDA issued an EUA for use of BNT162b2 at 30 µg in indi viduals ≥16 y ears of 
age.
For adolescents (12 through 15 years of age), immunobridging and safet y (median 
≥2months follow -up) were compared with young adults 16 through 25 years of age 
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Page 13were reported in the adolescent interim CSR, dated 14 April 2021 (Module 5.3.5.1 
C4591001 Adolescent Interim CSR ). Immunogenicity  data from adolescent (and 
young adult) participants showed robust neutralizing GMTs after vaccination with 2 
doses of BNT162b2 at 30 µg. In addition, descriptive efficacy  analy ses during 
blinded p lacebo -controlled follow -up period conducted on all confirmed COVID-19 
cases accrued up to the data cutoff date of 13 March 2021 for adolescents (12 through 
15 years of age) showed estimated vaccine efficacy  (VE)was 100.0% for cases 
reported from at least 7days after Dose 2 in individuals without and with or without
evidence of prior SARS -CoV -2 infection before and during vaccination regimen. On 
10May 2021, the US FDA issued an EUA for use in individuals 12 to 15 y ears of 
age. At present, there are curre ntly no licensed vaccines in the US to immunize 
against COVID -19 for individuals 12 to 15 y ears of age.
Follow -up to 6 months after Dose 2 was provided in the C4591001 6 -Month Update 
Interim CSR, dated 29 April 2021 ( Module 5.3.5.1 C4591001 6- Month Update 
Interim CSR ), and provided up to 6 months of additional safet y, efficacy, and 
immunogenicit y follow- up data. The report included anal ysis of safet y during the 
blinded and post -unblinding (open -label) periods through 6 months post -Dose 2 for 
participants ≥16years of age, and updated efficacy anal ysis based on all confirmed 
COVID -19 cases in participants ≥12 years of age that accrued in blinded follow -up to 
a data cutoff date of 13 March 2021. On 23 August 2021, the US FDA granted 
licensure of COMIRNATY (BNT 162b2) for individuals ≥16 y ears of age.
Based on a data cutoff date of 02 September 2021, this CO for adolescent participants 12
--15 years of age summarizes updated descriptive efficacy anal yses from 7 days after Dose 2 
during blinded placebo -controlled follow -up (Section 2.5.4.3.1 ) and the following safet y 
data, as ordered:
Blinded placebo -controlled follow -up period from Dose 1 to the date of unblinding 
for BNT162b2 and placebo participants, including new AEs that were reported after 
the EUA snapshot date (based on events on or after the data cutoff date of 
13March 2021) ( Section 2.5.5.2.3.1 )
Open -label observational follow -up period of original BNT162b2 recipients from the 
date of unblinding to the data cutoff date ( Section 2.5.5.2.3.2 )
Cumulative safety  from Dose 1 to at least 6 months after Dose 2, inclusive of blinded 
data and open label -data for original BNT162b2 recipients, including new AEs that 
were reported after the EUA snapshot date ( Section 2.5.5.2.3.3 )
Open -label observational follow -up period for original placebo recipients who then 
received BNT162b2 from the first dose of BNT162b2 to the data cutoff date 
(Section 2.5.5.2.3.4 )
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Page 142.5.1. Product Development Rationale
2.5.1.1. Therapeutic Context
2.5.1.1.1. Disease or Condition
COVID -19 is caused by  SARS -CoV -2, a zoonotic virus that first emerged as a human 
pathogen in China and has rapidly  spread around the world by  human- to-human 
transmission. 
At the time of this submission, the ongoing pandemic remains a significant challenge to 
public health and economic stability  worldwide, for which for a licensed prophy lactic 
vaccine is a necessary  and critical mitigation across all age groups. 
2.5.1.1.2. Clinical Features and Epidemiology of COVID-19
COVID -19 presentation is generall y with cough and fever, with chest ra diography  showing 
ground -glass opacities or patch y shadowing.1However, man y patients present without fever 
or radiographic changes, and infections may  be asy mptomatic which isrelevant to controlling 
transmission. For sy mptomatic patients, disease progression may  lead to acute respiratory  
distress sy ndrome requiring ventilation , subsequent multi -organ failure , and death .1  
Common sy mptoms in hospitalized pat ients (in order of highest to lowest frequency ) include 
fever , dry cough, shortness of brea th,fatigue, myalgias, nausea/vomiting or diarrhea, 
headache, weakness, and rhinorrhea .1Anosmia (loss of smell) or ageusia (loss of taste) may 
be the sole presenting s ymptom in approximately  3%of individuals who have COVID -19.1
The US Centers for Disease Control and Prevention (CDC) defined COVID -19 sy mptoms as 
including 1or more of the following :2fever , new or increased cough, new or increased 
shortness of breath ,chills, new or increased muscle pain , new loss of taste or smell, sore 
throat , diarrhea , vomiting , fatigue , headache , nasal congestion or runn y nose , or nausea .
All ages may  present with the disease, with case fatality  rates (CFR) elevated in persons 
>60years of age.3Comorbidities are associated with increased CFR, including 
cardiovascular disease, diabetes, hypertension, and chronic respiratory  disease.4Healthcare 
workers are over -represented among COVID -19 patients due to occupational exposure to 
infected patients.4
With the widespread availability  of COVID -19 vaccines in the United States, the disease 
burden has shifted to increasingl y impact younger age gr oups, particularl y pediatric and 
adolescent populations who remain largely  unvaccinated.5As of the week ending October 16, 
2021, the age groups 5 -11, 12 -15, and 16- 17 years had among the highest weekl y case rates 
per 100,000 population (164.1, 154.0, and 163.8 per 100,000, respectivel y).6Although the 
hospitalization rate among those 12 -17 years of age is low relative to other age groups 
(1.6/100,000 or lower since October 2021)7, among those who are hospitalized, the risk of 
progression to severe disease (requiring ICU admission, invasive mechanical ventilation, or 
in-hospital death) in this age group is approximately  30-34%.8,9,10
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Page 152.5.1.2. Vaccine Clinical Development Program
2.5.1.2.1. Rationale for Development
2.5.1.2.1.1. Current Therapies
Currently  available therapies have different benefit- risk considerations depending on the 
stage of illness and disease manifestations.1,11Monoclonal antibody therapies help prevent 
hospitalizat ionandreduce viral load and severe s ymptoms.12While care for individuals who 
have COVID -19 has improved with clinical experience, vaccination is the most effective 
medical countermeasure to decrease risk and mitigate spread of the SARS -CoV -2 virus 
during the ongoing pandemic . 
2.5.1.2.1.2. BNT162b2 Development
Pfizer and BioNTech develop ed an investigational vaccine that targets SARS -CoV -2, 
intended toprevent COVID -19, for which BioNTech initiate da first-in-human (FIH)study  in 
April 2020 in German y (BNT162- 01) andPfizer initiate da Phase 1/2/3 study  (C4591001) 
shortly  afterwards in the US which expanded to include global sites upon initiation of the 
Phase 2/3 part of the study . Additional information on Study  C4591001 is provided in 
Section 2.5.1.2.3.2.1 .
The vaccine is based on SARS -CoV -2 spike gl ycoprotein (S)antigens encoded in RNA 
formulated in lipid nanoparticles (LNPs) and is referred to as BNT162b2 (BioNTech code 
number BNT162, Pfizer code number PF -07302048) .The structural elements of the vector 
backbones of BNT162 vaccines are optimized for prolonged and strong translation of the 
antigen -encoding RNA. The potency  of RNA vaccines is further optimized by  encapsula tion 
of the RNA into LNPs, which protect the RNA from degradation b y RNAses and enable 
transfection of host cells after IM delivery .
2.5.1.2.2. Vaccine Product Information 
BioNTech has developed multiple RNA lipid nanoparticle (RNA -LNP )platforms, including 
nucleoside -modified RNA (modRNA) which has blunted innate immune sensor activating 
capacity  and thus augmented antigen expression. The current vaccine formulation is 
described in Section 2.5.2.1 .
2.5.1.2.3. Vaccine Development Program
2.5.1.2.3.1. Nonclinical Stud ies
Key nonclinical evaluation sof BNT162b2 included pharmacology  (mouse immunogenicit y 
studies, non-human primate [ NHP ]immunogenicity  and challenge studies) and toxicity  
(two Good Laboratory  Practice [ GLP] rat repeat- dose toxicity  studies )invitro and in vivo. 
Adevelopmental and reproductive toxicity  (DART )study  was completed in rats.
These data supported the clinical development of BN T162b2 and were previously  submitted.
Additional details of nonclinical studies were provided in Module 2.4 Nonclinical Overview .
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Page 162.5.1.2.3.2. Clinical Stud ies
2.5.1.2.3.2.1. Phase 1/2/3 Study C4591001
Study  C4591001 is the ongoing, randomized, placebo -controlled, Pha se 1/2/3 registration 
study . The stud y design, eligibility criteria, endpoints and anal ysis methods are detailed in 
the C45910 01 Protocol and Statistical Analy sis Plan and have been described in prior 
submissions.
Data from C4591001 participants in all pha ses and all age groups have been previously  
submitted. All ongoing C4591001 p articipants remain in study  follow -upfor up to
approximately  2 years after Dose 2 of randomized study intervention, except for those who 
enrolled into Study  C4591031 for a booste r evaluation.
Study Eligibility Criteria
In Phase 2/3, participants were enrolled with stratification of younger adults (18 to 55 years 
of age) and older adults (>55 years of age) to achieve approximately  40% enrollment in the 
older adult group. Additional adolescents were added later b y a protocol amendment: older 
adolescents 16 to 17 years of age are included in the y ounger adult stratum (ie, 16 to 55 y ears 
of age) , and y ounger adolescents 12 to15years of age were analyzedas a separate age 
stratum. Eli gibility  in Phase 2/3 included higher risk for acquiring COVID-19 in the 
investigator’s judgment, due to medical conditions or exposure, such as:
Chronic condition (eg, hy pertension; diabetes; asthma; pulmonary , liver, or kidney  
disease)
Autoimmune disease requiring therapeutic intervention (or history  of)
Chronic HIV, HCV, or HBV infection that is stable and controlled 
Vaping or smoking (or history  of smoking within the prior y ear)
Resident in a long- term facility
Occupation with high risk of SARS -CoV -2 exposure (eg, healthcare, emergency  
response)
Phase 3 (which is ongoing) included planned interim analy ses of the first primary  efficacy  
endpoint, ongoing efficacy  and safet y evaluations including reactogenicity assessment in a 
subset of participants, and exploratory  vaccine immunogenicit y evaluation in a subset of 
participants. Phase 3 is being conducted at sites in the US, Brazil, Argentina, Turkey , South 
Africa, and German y. Participants were stratified by age group as previously  described. The 
final eff icacy  anal ysis was conducted when at least the prespecified total number of 
164efficacy  events accrued. Safet y and long -term persistence of efficacy  follow -up will 
continue for at least 2 y ears and/or end of study . Safety and efficacy anal yses included the 
360participants who were anal yzed for Phase 2. 
Unblinding Considerations
Unblinding to randomized treatment assignment has completed for participants 12-15years 
of age in the stud y, with respect to the participants, Sponsor, andsite personnel . This i s 
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Page 17subsequent to authorizations/approvals granted in the US and other regions in this age group
starting in May 2021(refer to Section 2.5.1.3 ). 
Individual s 12-15years of age or older have been unblinded at such time that they become
locally  eligible and wish to know their treatment assignment to confirm prior vaccination 
with BNT162b2 (if randomized to this group), or to receive BNT162b2 (if randomized to 
placebo) . Unblinded recipients originall y randomized to BNT162b2 continue to be followed 
in an open -label (ie, observational ) manner. Unblinded recipients originall y randomized to 
placebo areoffered BNT162b2 vaccination and thereafter followed in an open -label manne r. 
Participants randomized to placebo who became eligible for vaccination with BNT162b2 
(oranother COVID -19 vaccine) had the opportunity  to receive BNT162b2 in a phased 
manner as part of the study  (no later than at the approximate time participants in Ph ase 2/3 
reach Visit 4). The investigator ensured the participant met at least one of the 
recommendation criteria. Any  participant who originall y received placebo and subsequentl y 
received BNT162b2 was moved to a new visit schedule to receive both doses of BNT162b2 
at each of two additional vaccination visit s (Visits 101 and 102).
Sponsor and site personnel who are responsible for the ongoing conduct of the study remain 
blinded to the data from participants whose treatment assignment hasnot been disclosed in 
the ongoing study (ie, not unblinded) , with regard to individual participants’ randomization. 
Safety  evaluation for these participants by the study  team remains blinded until a decision is 
made to unblind the entire study . Aseparate (from study  conduct) unblinded submissions 
team is responsible for regulatory  submissions.
All p articipants continue to be expected toremain in study  follow -upfor a maximum of 
approximately  2 years after Dose 2 of randomized study  intervention .  
2.5.1.2.3.2.2. Planned Studies
Further studies (or additional groups/anal yses from ongoing studies) are planned or ongoing, 
including pediatric populations, maternal immunization, concomitant use with adult 
pneumococcal and influenza vaccines, and obtaining blood samples for potential evaluatio n 
for subclinical m yocarditis.
2.5.1.2.4. Proposed Indication
The proposed indication for BNT162b2 (30 µg) is:
Active immunization to prevent COVID -19 disease caused b y SARS -CoV -2 virus ,in 
individuals ≥12 years of age .
2.5.1.2.5. Rationale for Candidate and Dose Selection
The final candidate and dose level (BNT162b2 at 30 µ g) was selected following review of 
immunogenicit y and safety data from the dose -finding Phase 1 portion of Study  C4591001 
and review of nonclinical data. BNT162b2 at 30 µg proceeded into the Phase 2/3 portio n of 
Study  C4591001 because this dose and construct provided the optimum combination of a 
favorable reactogenicit y profile and a robust immune response to afford protection against 
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Page 18COVID -19in younger and older age groups (see Section 2.5.1.3 for a s ummary  of regulatory  
submissions, authorizations, and approvals) .
2.5.1.3. Regulatory Status
As of December 2021, BNT162b2 30- µg has received temporary  authorization for 
emergency  use, conditional marketing authorization approval, or full approval in 
>90countries globall y.Thename of the product supplied under emergency/temporary  use 
authorization for all applicable regions is Pfizer -BioNTech COVID-19 Vaccine. The 
tradename of the product for all applicable regions is COMI RNATY . 
United States
In the US, the vaccine is in clinical development under an IND application, BB-IND 19 ,736. 
Fast Track Designation was granted on 07 July  2020 for individuals ≥18 years of age. The 
initial Pediatric Study  Plan (iPSP) was submitted to the FDA on 17 September 2020 and 
FDA agreed with the final agreed PSP on 23 April 2021.
A summary  regarding emergency  use authorization status is provided below.
An EUA application was filed to the FDA on 20 November 2020 and the product was 
authorized for emergency use in the US on 11 December 2020 as a primary  series of 
BNT162b2 30 µg for individuals ≥16 y ears of age (EUA 27034). 
Authorization was granted on 10 May  2021 to expand use to individuals ≥12 y ears of 
age. 
Authorization was granted on 13 August 2021 for a third dose to be administered 
≥28days following the second dose in individuals ≥12 y ears of age who have undergone 
solid organ transplantation, or who are diagnosed with conditions that are considered to 
have an equivalent level of immunocompromise. 
A single booster dose was authorized on 22 September 2021 to be administered 
≥6months after completing the primary  serie sinindividuals ≥65years of age or 18 to 
64years of age at high risk of severe COVID -19 or with frequent institutional or 
occupational exposure to SARS -CoV -2.On20 October 2021 authorization was granted
for the use of a single booster dose as a heterologous booster dose following completion 
of primary  vaccination with another authorized COVID- 19 vaccine ( based on booster 
eligibility  criteria associated with the primary  series vaccine received ).
Authorization was granted on 29 October 2021 to expand use to individuals 5 through 
11years of age and for a manufacturing change to include an additional formulation of 
the vaccine that uses Tris buffer instead of PBS.
On 19 November 2021, the eligible population for the homologous and heterologous 
booster doses was expanded to individuals 18 y ears of age and older .
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Page 19On 9 December 2021, the eligible population for the homologous and heterologous 
booster doses was expanded to individuals 16 y ears of age and older.
A summary  regarding licensure status in the US is provided below.
The initial BLA for the 30 -µg formulation was submitted to US FDA on 18 May  2021 and 
approved on 23 A ugust 2021 for individuals ≥16 years of age.
European Union
Arolling review for a Marketing Authorisation Application ( MAA) was initiated on 
05 October 2020 with nonclinical data followed by Module 3 documents submitted on 
05November 2020 and completed with submission of clinical modules on 07 December 
2020 . A Paediatric Investigational Plan (PIP) was submitted to the Paediatric Committee 
(PDCO) on 21 September 2020 and a decision on the agreement of the PIP was received 27 
November 2020. 
A summary  regarding conditional approval status in the EU is provided b elow.
Conditional marketing approval was granted b y the European Medicines Agency (EMA) 
on 21 December 2020 for administration of the primary  series of BNT162b2 30 µg to 
individuals ≥16years of age and was later expanded to include use in individuals 
≥12years of age on 28 May 2021. 
A booster dose (third dose) of BNT162b2 30 µg administered at least 6 months after the 
second dose to individuals ≥18years of age was approved in the EU on 05October 2021; 
on the same day , athird dose was approved in the EU to be administered at least 28 day s 
after the second dose toindividuals who are severely immunocompromised .
An extension was approved on 26 November 2021 for administration of a primary  series 
of BNT162b2 10 µg to individuals 5 to 11 years of age, includ ing a third dose in severel y 
immunocompromised individuals 5 y ears and older.
Rest of World
Marketing Authorization Applications were initiated beginning in October 2020 and 
Conditional Marketing Authorizations have been granted in man y countries globall y 
including Switzerland, Japan, Australia, New Zealand, and Brazil. Requests for 
temporary  authorization for emergency  suppl y have also been filed and approved in man y 
countries globally  under emergency  or temporary  use authorization procedures or special 
import procedures beginning in November 2020. The World Health Organization (WHO) 
issued a positive opinion on the Emergency  Use Listing of COMIRNATY on 
31 December 2020. In addition to the approval of the US BLA on 23 August 2021, other 
countries are also b eginning to grant full approval for COMIRNATY, including Canada 
on 16 September 2021 and I srael on 19 September 2021.
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Page 202.5.1.4. Ethical Considerations
All studies in the clinical development program were conducted in compliance with the 
ethical principles originating in or derived from the Declaration of Helsinki and in 
compliance with all International Council on Harm onisation (I CH) Good Clinical Practice 
(GCP) Guidelines. They  were designed, performed, and anal yzed in accordance with all 
applicable regulations, laws, and guidelines in effect at the time they  were conducted from 
the US FDA , EUDirective 2001/20/EC ,and local regulatory  agencies in countries where the 
study  was conducted. T he study  design reflect srecommendations from local review 
boards/committees , andother local regulatory  authorities.  
The pivotal Phase 1/2/3 Study  C4591001 was conducted at sites in the US, Brazil, Argentina, 
Turkey , Sou th Africa, and German y; the majorit y of participants were enrolled at sites in the 
US. The supporting Phase 1/2 Study  BNT162 -01 was conducted at sites in German y.
Pediatric Study  C4591007 was conducted at sites in the US, Finland, Poland, and Spain.
2.5.2. Overvi ew of Biopharmaceutics
2.5.2.1. Formulation Development
Two vaccine formulations are currentl y authorized.
PBS/Sucrose vaccine product : supplied as a preservative -free, sterile dispersion of LNPs in 
aqueous cry oprotectant buffer formulated at 0.5 mg/mL in phosphate -buffered saline and 
300mM sucrose at pH 7.4 to be diluted for IM administration. The presentation is diluted 
with sterile 0.9% sodium chloride solution prior to use and delivers a 30 µg RNA dose for 
individuals ≥12 y ears of age.
Tris/Sucrose vaccine prod uct: supplied as a preservative -free, sterile dispersion of LNPs in 
aqueous cry oprotectant buffer for IM administration formulated at 0.1 mg/mL  
RNA in10mM Tris buffer, 300 mM sucrose, pH 7.4.The presentation of the vaccine is:
30 µg RNA dose for individ uals ≥12 y ears of age, not for dilution 
(0.3mLadministration)
10 µg RNA dose for individuals 5 through 11 years of age, requires dilution 
(0.2mLadministration).
Details of formulation development and storage conditions are provided in Module 3.
2.5.2.2. Biopharmaceutical Studies
Not applicable.
2.5.2.3. Bioanalytical and Analytical Methods Used in Human Studies
Information on assay sused toassess SARS -CoV -2infection is in Module 2.7.1 Summary  of 
Biopharmaceutic Studies and Associated Anal ytical Methods . 
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Page 212.5.3. Overvie w of Clinical Pharmacology
Not applicable.
2.5.4. Overview of Efficacy (Including Immunogenicity)
The methods and statistical anal yses for efficacy evaluation are summarized in
Section 2.5.4.1.1 and Section 2.5.4.1.2 , respectively, and results are in Section 2.5.4.3 . 
Details of efficacy  anal ysis methods in Study  C4591001 are provided in the Module 5.3.5.1 
C4591001 Protocol and statistical analysis plan (SAP).
2.5.4.1. Efficacy Endpoints and Analysis Methods
2.5.4.1.1. Efficacy Endpoints
Study  C4591001 is the pivotal efficacy  study  for BNT162b2. Efficacy  was assessed based on 
confirmed cases of COVID -19 in the efficacy  populations. Results from the protocol 
specified interim analy sis conducted on an accrued 94 cases (data cutoff date: 
04November 2020) and the final anal ysis conducted on an accrued 170 cases (data cutoff 
date: 14 November 2020) were previousl y submitted. These anal yses included data from all 
participants in Phase 3 age groups (12 -15, 16- 55, and >55 y ears of age) at the time of the 
analyses. Prespecified primary  and secondary  efficacy  endpoint analy ses were completed per 
protocol as of 14 November 2020. At the time of the final anal ysis, there were relativel y few 
participants 12 -15 years of age enrolled in the study  and no COVID -19 cases in this age 
group accrued at that time (14November 2020). Updated efficacy  analy ses were presented
for adolescent participants 12- 15 years of age in the adolescent interim CSR dated 
14April 2021 (through data cutoff date of 13 March 2021), and for participants ≥12 years of 
age in the 6- month update interim CSR dated 29 April 2021 (through data cutoff date of 
13March 2021) . Further u pdated efficacy  anal yses in this COinclude cases in the 
12-15years of age group accrued in blinded follow -up to a data cutoff date of 
02September 2021 (see Section 2.5.4.1.2 ).
2.5.4.1.1.1. Efficacy Endpoints
The updated efficacy  described and reported for adolescents 12 -15 years of age in this CO
include the following endpoint :
COVID -19 incidence per 1000 person- years of blinded follow -up based on central 
laboratory  or locally  confirmed NAAT .
2.5.4.1.1.2. COVID -19 Case Determination 
COVID -19 case determination methodology  has not changed since the initial report of 
vaccine efficacy  for BNT162b2.  Briefly , participants who developed an y potential 
COVID -19 s ymptoms listed in the protocol were to contact the site immediately  and if 
confirmed to participate in an in -person or telehealth visit as soon as possible (optimally  
within 3 day s of s ymptom onset, and at the latest 4 day s after s ymptom resolution). At the 
visit (or prior to the visit, if a participant utilized a self- swab as permitted per protocol), 
investigators were to collect clinical information and results from local standard-of- care tests
sufficient to confirm a COVID -19 diagnosis.
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Page 22Investigators were to obtain a nasal swab (mid-turbinate) for testing at a central laboratory  
using a validated reverse transcription– polymerase chain reaction (RT -PCR) test (Cepheid; 
EUA200047/A001) to detect SARS -CoV -2. If the evaluation was conducted by  telehealth, 
the pa rticipant was to self -collect a nasal swab and ship for assessment at the central 
laboratory . Alocal NAAT result was only acceptable if it met protocol -specified criteria and 
if a central laboratory  result was not available. P articipants with andwithout evidence of 
prior infection were determined by  virological testing via NAAT on mid- turbinate swab and
serological testing for SARS- CoV -2 N-binding antibodies. 
COVID -19 cases (defined per FDA guidance)13were based on SARS -CoV -2 positive test 
result per central laboratory or local testing facility (using an acceptable test per protocol and 
if no central laboratory  result was available) and p resence of atleast 1 of the following :
Fever
New or increased cough
New or increased shortness of breath
Chills
New or increased muscle pain
New loss of taste or smell
Sore throat
Diarrhea
Vomiting.
Severe COVID -19cases (defined per FDA guidance)13included presence of at least 1 of the 
following :
Clinical signs at rest indicative of severe s ystemic illness: 
orespiratory  rate ≥30 breaths per minute
oheart rate ≥125 beats per minute 
oSpO 2≤93% on room air at sea level or PaO 2/FiO 2 <300 mm Hg
Respiratory  failure:
oneeding high -flow oxygen
ononinvasive ventilation
omechanical ventilation
oextracorporeal membrane ox ygenation (ECMO )
Evidence of shock: 
osystolic blood pressure <90 mm Hg
odiastolic blood pressure <60 mm Hg
orequiring vasopressors
Significant acute renal, hepatic, or neurologic dysfunction
Admission to an intensive care unit
Death.
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Page 23In addition to the above specified definition of severe COVID- 19, an efficacy  anal ysis for 
severe COVID -19 cases was conducted using the CDC definition of severe COVID- 19 
(hospitalization, admission to the I CU, intubation or mechanical ventilation, or death ).14
2.5.4.1.2. Efficacy Analysis Methods
The statistical anal yses of efficacy data presented in this CO are from Study C4591001 and 
were based on the evaluable efficacy  and all-available population s.
Updated efficacy  analy ses were conducted for efficacy  endpoints using statistical methods 
described in the stud y statistical analysis plan (Module 5.3.5.1 C4591001 SAP ). The point 
estimate of V Eand associated 2 -sided 95% CI derived using the Clopper- Pearson method 
adjusted for surveillance time were provided as a descriptive summary . Updated anal yses in 
this COinclude COVI D-19 cases accrued inblinded follow -upin adolescents 12 -15 years of 
age to the data cutoff date ( 02September 2021).
2.5.4.2. Immunogenicity Endp oints and Analysis Methods
Assay  methods and qualification/validation reports for immunoassay s are provided in 
Module 2.7.1 Summary  of Biopharmaceutic Studies and Associated Anal ytical Methods . 
Details of immunogenicity anal yses are summarized below. Stati stical analy sis methods are 
provided in Section 2.5.4.2.2 .
2.5.4.2.1. Immunogenicity Endpoints
In Phase 3, an immunogenicity  objective was to demonstrate noninferiorit y (NI)of the 
immune response to prophy lactic BNT162b2 in participants 12 -15years of age compared to 
participants 16 -25years of age who had no serological or virological evidence of past 
SARS -CoV -2 infection. This NI  anal ysis of neutralizing titers was performed to provide 
immunobridging between these y ounger adolescents and young adults 16 -25 years of age. 
Only  a validated SARS -CoV -2 neutralization assay  was used.
Immunogenicit y endp oints were anal yzed for SARS -CoV -2 serum neutralizing titers including:
geometric mean titers (GMT) in each age group and GMR of 12 -15years group to 
16-25years group at 1 month after Dose 2
geometric mean -fold rise (GMFR) from before vaccination to 1 mon th after Dose 2 in 
each age group 
percentage of participants with a ≥4-fold rise in neutralizing titers (seroresponse) 
from before vaccination to 1 month after Dose 2 in each age group.
2.5.4.2.2. Immunogenicity Analysis Methods
The statistical anal yses of immunogen icity data from Study  C4591001 were based on the 
evaluable immunogenicity  populations and all -available immunogenicit y populations.
Immunogenicit y anal yses of neutralizing titers were conducted with the statistical methods 
described in the stud y SAP (Modul e 5.3.5.1 C4591001 SAP ).
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Page 24NI was assessed based on the geometric mean ratio (GMR )of SARS -CoV -2 neutralizing titers 
at 1 month after Dose 2 using a 1.5 -fold margin. The GMR and its 2 -sided 95% CI  were 
derived b y calculating differences in means and CIs on t he natural log scale of titers based on 
Student’s t -distribution, then exponentiating the results. The difference in means on the natural 
log scale was calculated as: (12 -15years of age) – (16-25 years of age). NI was declared if the 
lower bound of the 2 -sided 95% CI for the GMR was >0.67.
2.5.4.3. Efficacy Results
2.5.4.3.1. Updated Analysis of Efficacy – Adolescents 12-15 Years of Age
Updated ef ficacy  data for the Phase 3 portion of Study  C4591001 were analy zed for all 
participants 12-15 years of age who met the protocol -specified criteria for efficacy  evaluation. 
Data are summarized for the efficacy  populations. 
COVID -19 case evaluation for primary  and secondary  efficacy  endpoints is discussed in 
Section 2.5.4.1 . Efficacy  endpoints evaluated confirmed COVID -19 cases in participants 
either without or with or without evidence of prior SARS -CoV -2 infection before and during 
vaccination regime n. 
Efficacy population characteristics in the updated analysis are presented in Section 2.5.4. 3.1.1 , 
and results of the updated analysis are presented in Section 2.5.4.3.1.2 (VE against 
COVID -19), and S ection 2.5.4.3.1.3 (VE against severe disease ).
2.5.4.3.1.1. Efficacy Populations –Updated Analysis
In the efficacy  anal yses, adolescents in the efficacy  populations included:
Evaluable efficacy  population without evidence of SARS -CoV -2 infection prior to 7 days 
after Dose 2: N=1057 in the BNT162b2 group and N= 1030 in the placebo group.
Evaluable efficacy  population with or without evidence of SARS -CoV -2 infection prior to 
7days after Dose 2: N=1119 in the BNT162b2 group an d N=11 09in the placebo group.
Dose 1 all -available efficacy  population: N=1131 in the BNT162b2 group and N=1129 in 
the placebo group.
The proportions of participants included in the updated efficacy  populations were similar in 
the BNT162b2 and placebo gro ups ( Table 1). There were 36 partic ipants ( 15 [1.3%] in the 
BNT162b2 group and 21 [1.9%] in the placebo group )were excluded from the evaluable 
efficacy  (7days) population mostly because they  did not receive all vaccinations as 
randomized or did not receive Dose 2 within the predefined window (19 -42 day s after 
Dose 1).
Demographics of participants (including sex, race, ethnicity , country , comorbidities, obesity
status, and age at vaccination) in the evaluable efficacy  (7 day s) population for adolescent 
participants without evidence of infection prior to 7 day s after Dose 2 were similar in the 
BNT162b2 and placebo groups. Note that all adolescent participants 12 -15 years of age were 
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Page 25from the US. This anal ysis population had generally  similar demographics compared to the 
safet y population (Section 2.5.5.2.1 ).
Demographic characteristics for the Dose 1 all -available efficacy  population and for 
participants with or without evidence of infection prior to 7 day s after Dose 2 (evaluable 
efficacy  [7 day s] population) were similar to those in the evaluable efficacy (7 day s) 
population.
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Page 26Table 1.Efficacy Populations – Subjects 12 Through 15 Years of Age –Blinded 
Placebo- Controll ed Follow -up Period
Vaccine Group (as Randomized)
BNT162b2 (30 μg)
na(%)Placebo
na(%)Total
na(%)
Randomizedb1134 (100.0) 1130 (100.0) 2264 (100.0)
Dose 1 all -available efficacy population 1131 (99.7) 1129 (99.9) 2260 (99.8)
Subjects without evidence of infection before Dose 1 1083 (95.5) 1078 (95.4) 2161 (95.5)
Subjects excluded from Dose 1 all -available efficacy population 3 (0.3) 1 (0.1) 4 (0.2)
Reason for exclusionc
Did not receive at least 1 vaccination 3(0.3) 1 (0.1) 4 (0.2)
Dose 2 all -available efficacy population 1123 (99.0) 1117 (98.8) 2240 (98.9)
Subjects without evidence of infection prior to 7 days after Dose 2 1061 (93.6) 1037 (91.8) 2098 (92.7)
Subjects excluded from Dose 2 all -available efficacy population 11 (1.0) 13 (1.2) 24 (1.1)
Reason for exclusionc
Did not receive 2 vaccinations 10 (0.9) 13 (1.2) 23 (1.0)
Unblinded prior to 7 days after Dose 2 1 (0.1) 0 1 (0.0)
Evaluable efficacy (7 days) population 1119 (98.7) 1109 (98.1) 2228 (98.4)
Subjects without evidence of infection prior to 7 days after Dose 2 1057 (93.2) 1030 (91.2) 2087 (92.2)
Subjects excluded from evaluable efficacy (7 days) population 15 (1.3) 21 (1.9) 36 (1.6)
Reason for exclusionc
Randomized but did not meet all eligibility criteria 1 (0.1) 1 (0.1) 2 (0.1)
Did not receive all vaccinations as randomized or did not receive 
Dose 2 
within the predefined window (19 -42 days after Dose 1)14 (1.2) 19 (1.7) 33 (1.5)
Unblinded prior to 7 days after Dose 2 1 (0.1) 0 1 (0.0)
Had other important protocol deviations on or prior to 7 days after 
Dose 20 3 (0.3) 3 (0.1)
a. n = Number of subjects with the specified characteristic. 
b. These values are the denominators for the percentage calculations. 
c. Subjects may have been excluded for more than 1 reason. 
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Page 272.5.4.3.1.2. Vaccine Efficacy Against COVID -19 –Updated Analysis
2.5.4.3.1.2.1. Vaccine Efficacy From 7 Days After Dose 2 –Blinded Placebo- Controlled 
Follow -Up Period
2.5.4.3.1.2.1.1. Participants Without Evidence of Infection Before and During 
Vaccination Regimen
Among adolescent participants without evidence of SARS -CoV -2 infection before and 
during the vaccination regimen, the estimated VE against confirmed COVID -19occurring at 
least 7 days after Dose 2 was 100.0% (2 -sided 95% CI : 86.8%, 100.0%) , with 0 and 28 cases
in the BNT162b2 and placebo group s, respectivel y(Table 2).
The VE of BNT 162b2 for the same efficacy  endpoint based on the Dose 2 all available 
efficacy  population was 100.0% (2-sided 95% CI: 87.2%, 100.0%), with 0 and 29 cases in 
the BNT162b2 and placebo group, respectively .
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Page 28Table 2.Vaccine Efficacy – First COVID -19 Occurrence From 7 Days After Dose 2 
–Blinded Placebo -Controlled Follow -up Period – Subjects 12 Through 15 
Years of Age and Without Evidence of Infection Prior to 7 Days After Dose 
2 –Evaluable Efficacy (7 Days) Population
Vaccine Group (as Randomized)
BNT162b2 (30 μg)
(Na=1057)Placebo
(Na=1030)
Efficacy Endpoint
Subgroupn1bSurveillance
Timec(n2d)n1bSurveillance
Timec(n2d)VE (%) (95%  CIe)
First COVID -19 occurrence from 7 
days after Dose 20 0.343 (1043) 28 0.322 (1019) 100.0 (86.8, 100.0)
≥7 days after Dose 2 to <2 Months 
after Dose 20 0.138 (1043) 15 0.133 (1019) 100.0 (73.2, 100.0)
≥2 Months after Dose 2 to <4 Months 
after Dose 20 0.148 (1008) 10 0.139 (957) 100.0 (58.0, 100.0)
≥4 Months after Dose 2 0 0.057 (723) 3 0.050 (682) 100.0 (-112.1, 100.0)
Abbreviations: N -binding = SARS -CoV -2 nucleoprotein– binding; NAAT = nucleic acid amplification test; 
SARS -CoV -2 = severe acute respiratory syndrome coronavirus 2; VE = vaccine efficacy.
Note: Subjects who had no serological or virological evidence (prior to 7 days after receipt of the last dose) of past SARS -
CoV -2 infection (ie, N -binding antibody [serum] negative at Visit 1 and SARS-CoV -2 not detected by NAAT [nasal swab] 
at Visits 1 and 2, an d had negative NAAT (nasal swab) at any unscheduled visit prior to 7 days after Dose 2) were 
included in the analysis.
a. N = number of subjects in the specified group. 
b. n1 = Number of subjects meeting the endpoint definition.
c. Total surve illance time in 1000 person-years for the given endpoint across all subjects within each group at risk for 
the endpoint. Time period for COVID -19 case accrual is from 7 days after Dose 2 to the end of the surveillance period for 
the overall row and from start to the end of the range stated for each time interval.
d. n2 = Number of subjects at risk for the endpoint.
e. Confidence interval (CI) for VE is derived based on the Clopper and Pearson method adjusted for surveillance time.
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2.5.4.3.1.2.1.2. Participants With or Without Evidence of Infection Before and During 
Vaccination Regimen
Among participants with or without evidence of SARS -CoV -2 infection before and during 
the vaccination regimen, estimated VE against confirmed COVID -19 occurring at le ast 
7days after Dose 2 was 100.0% (2 -sided 95% CI: 87.5%, 100.0%), with 0 and 30 cases in 
the BNT162b2 and placebo groups, respectively (Table 3).For the 2 additional cases in 
adolescent participants with evidence of SARS -CoV -2 infection (as compared with those 
without evidence of infection from Table 2), both participants were SARS- CoV -2 negative at 
baseline.
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Page 29Table 3.Vaccine Efficacy – First COVID -19 Occurrence From 7 Days After Dose 2 
–Blinded Placebo -Controlled Follow -up Period – Subjec ts 12 Through 15 
Years of Age and With or Without Evidence of Infection Prior to 7 Days 
After Dose 2 –Evaluable Efficacy (7 Days) Population
Vaccine Group (as Randomized)
BNT162b2 (30 μg)
(Na=1119)Placebo
(Na=1109)
Efficacy Endpoint
Subgroupn1bSurveillance
Timec(n2d)n1bSurveillance
Timec(n2d)VE (%) (95%  CIe)
First COVID -19 occurrence from 7 
days after Dose 20 0.362 (1098) 30 0.345 (1088) 100.0 (87.5, 100.0)
≥7 days after Dose 2 to <2 Months 
after Dose 20 0.146 (1098) 17 0.142 (1088) 100.0 (76.4, 100.0)
≥2 Months after Dose 2 to <4 Months 
after Dose 20 0.155 (1061) 10 0.148 (1022) 100.0 (57.4, 100.0)
≥4 Months after Dose 2 0 0.061 (767) 3 0.055 (726) 100.0 (-117.8, 100.0)
Abbreviation: VE = vaccine efficacy.
a. N = number of subjects in the specified group. 
b. n1 = Number of subjects meeting the endpoint definition.
c. Total surveillance time in 1000 person -years for the given endpoint across all subjects within each group at risk for 
the endpoint. Time period for COVID-19 case accrual is from 7 days after Dose 2 to the end of the surveillance period for 
the overall row and from start to the end of the range stated for each time interval.
d. n2 = Number of subjects at risk for the end point.
e. Confidence interval (CI) for VE is derived based on the Clopper and Pearson method adjusted for surveillance time.
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2.5.4.3.1.2.1.3. Subgroup Analyses ( Vaccine Efficacy From 7 Days After Dose 2 –
Blinded Placebo -Controlled Follow -Up Period )
In the evaluable efficacy  (7 day s) population, among participants without and with or without
evidence of SARS CoV -2 infection before and during the vaccination regimen, the estimated 
VE was 100.0% for all subgroups bysex, race, ethnicity , country , comorbidi ties, andobesity
status. Due to the small number of participants, the data must be interpreted with caution.
2.5.4.3.1.2.2. All Confirmed Cases of COVID -19 After Dose 1 – All- Available Efficacy 
Population
All reports of COVID -19 with onset at any  time after Dose 1 are accounted for in (Table 4),
which provide s a summary  of VE for all adolescent participants in the Dose 1 all-available 
efficacy  (modified intention -to-treat) population adjusted for exposure, regardless of 
evidence of infection before or during the vaccination regimen. Among these participants, the 
estimated VE against confirmed COVID -19 occurring after Dose 1 was 94.0% (2- sided 95% 
CI: 81.3%, 98.8%), with 3 and 48 cases of COVID- 19 in the BNT162b2 and placebo groups, 
respectivel y. All 3 cases in the BNT162b2 group occurred <11 days after Dose 1 and in 
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Page 30participants who had baseline SARS -CoV -2 negative status, and represented all cases 
reported in this group at any  time. 
The observed VE for BNT162b2 in adolescents in the Dose 1 all -available efficacy  population 
was 100.0% (ie, all cases were confined to the placebo group) for all time intervals starting 
from ≥11days after Dose 1 to before Dose 2 through ≥4 months after Dose 2. 
The early  onset of protection is readily  apparent in Figure 1, which display s cumulative 
incidence for the first COVID -19 occurrence after Dose 1 among all vaccinated participants 
based on Dose 1 all -available efficacy  (modified intention -to-treat) popul ation. Disease onset 
appears to track together for BNT162b2 and placebo until approximately  11 day s after 
Dose 1 (consistent with the data shown in Table 4), at which poin t the curves diverge, with 
cases steadil y accumulating in the placebo group, while remaining flat with no more cases in 
the BNT162b2 group.
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Page 31Table 4.Vaccine Efficacy – First COVID -19 Occurrence After Dose 1 –Blinded 
Placebo- Controlled Follow -up Period – Subjects 12 Through 15 Years of 
Age –Dose 1 All -Available Efficacy Population
Vaccine Group (as Randomized)
BNT162b2 (30 μg)
(Na=1131)Placebo
(Na=1129)
Efficacy Endpoint
Subgroupn1bSurveillance
Timec(n2d)n1bSurveillance
Timec(n2d)VE (%) (95%  CIe)
First COVID -19 occurrence after Dose 1 3 0.450 (1109) 48 0.434 (1114) 94.0 (81.3, 98.8)
AfterDose 1 to before Dose 2 3 0.065 (1109) 12 0.065 (1114) 75.1 (7.6, 95.5)
After Dose 1 to <11 days after Dose 1 3 0.033 (1109) 4 0.033 (1114) 24.7 (-345.0, 89.0)
≥11 Days after Dose 1 to before Dose 
20 0.032 (1106) 8 0.031 (1110) 100.0 (42.0, 100.0)
Dose 2 to 7 days after Dose 2 0 0.021 (1103) 5 0.021 (1100) 100.0 (-8.7, 100.0)
≥7 Days after Dose 2 0 0.364 (1102) 31 0.348 (1095) 100.0 (87.9, 100.0)
≥7 days after Dose 2 to <2 Months 
after Dose 20 0.146 (1102) 17 0.143 (1095) 100.0 (76.3, 100.0)
≥2 Months after Dose 2 to <4 Months 
after Dose 20 0.156 (1065) 10 0.149 (1029) 100.0 (57.3, 100.0)
≥4 Months after Dose 2 0 0.062 (770) 4 0.056 (732) 100.0 (-37.7, 100.0)
Abbreviation: VE = vaccine efficacy.
a. N =number of subjects in the specified group.
b. n1 = Number of subjects meeting the endpoint definition.
c. Total surveillance time in 1000 person -years for the given endpoint across all subjects within each group at risk for 
the endpoint. Time peri od for COVID -19 case accrual is from Dose 1 to the end of the surveillance period for the overall 
row and from start to the end of the range stated for each time interval.
d. n2 = Number of subjects at risk for the endpoint.
e. Confidence interval (CI) for VE is derived based on the Clopper and Pearson method adjusted for surveillance time.
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Page 32Figure 1.Cumulative Incidence Curves for the First COVID- 19 Occurrence After Dose 1 –Subjects 12 Through 15 Years of 
Age –Blinded Placebo -Controlled Follow -up Period – Dose 1 All -Available Efficacy Population
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Page 332.5.4.3.1.2.2.1. Subgroup Analyses (All Confirmed Cases of COVID -19 After Dose 1 –
All-Available Efficacy Population )
Additionally , in subgroup anal yses for VE by  sex, race, ethnicity , country , comorbidities, and 
obesity  status , the observed subgroup VEs based on the Dose 1 all -available efficacy  
(modified intent -to-treat) popu lation were generally similar to those based on the evaluable 
efficacy  population except for a few subgroups that the number of participants and cases 
were too small to provide robust estimates. The observed VEs for all subgroups were ≥88.7% 
except for one subgroup (race, all others) with 1 case ineach group : American Indian or 
Alaska native in placebo and Asian in BNT162b2 . Due to the small number of participants, 
the data must be interpreted with caution.
2.5.4.3.1.3. Vaccine Efficacy Against Severe COVID -19 –Updated Analysis
No severe COVID -19 cases (per protocol definition or CDC criteria) were reported in 
participants 12 15 years of age as of the data cutoff date (02 September 2021).
2.5.4.3.1.4. Variants of Concern
Among the 30 placebo participants with or without evide nce of SARS -CoV -2 infection 
before and during the vaccination regimen and had COVID-19 cases, most variants 
sequenced were neither VOI nor VOC except for the B.1.1.7 (Alpha) (Table 6), which was 
found in 23.3% of placebo participants ( Table 5). There were no cases belonging to the Beta, 
Gamma, Delta, Lambda, or Mu variants ( Table 6). Importantly , all of the cases in the 
efficacy  anal yses occurred between 02 November 2020 to 19 May  2021, which is before the 
Delta surge in the US.
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Page 34Table 5.Summary of SARS -CoV -2 Variants for the First COVID -19 Occurrence 
From 7 Days After Dose 2 –Blinded Placebo -Controlled Follow -up Period 
–Subjects 12 Through 15 Years of Age and With or Without Evidence of 
Infection Prior to 7 Days Afte r Dose 2 –Evaluable Efficacy (7 Days) 
Population
Vaccine Group (as Randomized)
BNT162b2 (30 μg)
(Na=0)Placebo
(Na=30)Total
(Na=30)
SARS -CoV -2 Lineageb
(WHO Classification)nc(%) nc(%) nc(%)
B.1 0 1 (3.3) 1 (3.3)
B.1.1.222 0 1 (3.3) 1 (3.3)
B.1.1.29 0 1 (3.3) 1 (3.3)
B.1.1.519 0 1 (3.3) 1 (3.3)
B.1.1.7 (Alpha) 0 7 (23.3) 7 (23.3)
B.1.142 0 1 (3.3) 1 (3.3)
B.1.2 0 10 (33.3) 10 (33.3)
B.1.243 0 1 (3.3) 1 (3.3)
B.1.361 0 1 (3.3) 1 (3.3)
B.1.369 0 1 (3.3) 1 (3.3)
B.1.400 0 1 (3.3) 1 (3.3)
B.1.427 0 2 (6.7) 2 (6.7)
B.1.526 0 1 (3.3) 1 (3.3)
Unknownd0 1 (3.3) 1 (3.3)
Abbreviation: SARS -CoV -2 = severe acute respiratory syndrome coronavirus 2.
a. N = number of subjects with first COVID -19 occurrence. This value is the denominator for the percentage 
calculations.
b. Based on PANGO lineages (cov -lineages.org).
c. n = Number of subjects with the specified characteristic.
d. Include indeterminate result and not quantifiable (QNS) samples.
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Page 35Table 6.Summary of SARS -CoV -2 Variants of Concern or Variants of Interest for 
the First COVID -19 Occurrence From 7 Days After Dose 2 –Blinded 
Placebo- Controlled Follow -up Period – Subjects 12 Through 15 Years of 
Age and With or Without Evidence of Infection Prior to 7 Days After Dose 
2 –Evaluable Efficacy (7 Days) Population
Vaccine Group (as Randomized)
BNT162b2 (30 μg)
(Na=0)Placebo
(Na=30)Total
(Na=30)
SARS -CoV -2 Lineageb
(WHO Classification)nc(%) nc(%) nc(%)
B.1.1.7 (Alpha) 0 7 (23.3) 7 (23.3)
B.1.351 (Beta) 0 0 0
P.1 (Gamma) 0 0 0
B.1.617.2 (Delta) 0 0 0
C.37 (Lambda) 0 0 0
B.1.621 (Mu) 0 0 0
Other 0 22 (73.3) 22 (73.3)
Unknownd0 1 (3.3) 1 (3.3)
Abbreviation: SARS -CoV -2 = severe acute respiratory syndrome coronavirus 2.
a. N = number of subjects with first COVID -19 occurrence. This value is the denominator for the percentage 
calculations.
b. Based on PANGO lineages (cov -lineages.org).
c. n = Number of subjects with the specified characteristic.
d. Include indeterminate result and not quantifiable (QNS) samples.
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2.5.4.3.1.5. Efficacy Conclusions –Updated Analysis
Descriptive efficacy  analy ses were conducted for the adolescent group on cases accrued 
during blinded placebo -controlled follow -up period through the data cutoff date of 
02September 2021. 
In the adolescent group, in efficacy  anal yses in the evaluable efficacy  population based on 
cases reported from at least 7 days after Dose 2 through the data cutoff date 
(02September 2021), the estimated VE against confirmed COVID -19 was 100% (95% CI: 
86.8%, 100%) for individuals without evidence of prior SARS -CoV -2 infection before and 
during vaccination regimen, and 100% (2 -sided 95% CI : 87.5%, 100%) for those with or 
without evidence of prior SARS -CoV -2 infection before and during vaccination regimen. 
Among participants without and with or without evidence of SARS -CoV -2 infection before 
and during the vaccination regimen ( evaluable efficacy  population), VE against COVI D-19 
occurring at least 7 day safter Dose 2 was evaluated for demographic and risk subgroups, and 
the estimated VE was 100.0% for all subgroups.
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Page 36The efficacy anal ysis for the Dose 1 all -available (modified intention -to-treat) population, 
included 3 cases in the BNT162b2 group (all occu rring within <11 day s after Dose 1 and in 
participants who had baseline SARS -CoV -2 negative status ) and 48cases in the placebo 
group, with an estimated VE against all cases occurring at an y time after Dose 1 of 94.0% 
(2-sided 95% CI: 81.3%, 98. 8%).
No sev ere cases were reported in the 12 -15 years of age group as of the dat a cutoff date
(02September 2021) .
Most variants sequenced were neither Variant of Interest ( VOI)nor Variant of Concern 
(VOC ) except for the B.1.1.7 (Alpha) found in 23.3% of placebo participants. All of the 
cases in the efficacy  analyses occurred between 02 November 2020 to 19 May  2021, which is 
before the Delta surge in the US.
Overall, these updated efficacy  data strongl y sup port BNT162b2 use in adolescents 12 -15years 
of age.
2.5.4.4. Immunogenicity Results
2.5.4.4.1. Immunogenicity Populations
For immunogenicity  analy ses, it was planned to select a random sample of 280 participants 
in the BNT162b2 group for each of the two age groups (12-15 and 16-25 years of age) as an 
immunogenicit y subset for the NI assessment. To maintain blinding of the laboratory  
personnel, 50 participants in each placebo group were also randoml y selected from each of 
the two age groups for serology  testing. 
The Dose 2 evaluable immunogenicit y population for adolescents 12 -15 years of age 
included 209 participants in the BNT162b2 group and 36 participants in the placebo group), 
and for young adults 16 -25 years of age included 186 participants in the BNT162b2 gro up 
and 32 participants in the placebo group. The majority  of participant exclusions from the 
evaluable immunogenicity  populations were due to participants not having at least 1 valid 
and determinate immunogenicity  result after Dose 2, mostly  as the result of testing laboratory  
supply  limitation of the qualified viral lot and were generally  balanced across age and 
vaccine groups.
Demographics were generally  similar for BNT162b2 and placebo, and between adolescents 
and y oung adults 16 -25 years of age. Demogra phics of the evaluable immunogenicity  
population were similar to those in the all- available immunogenicit y population andto those 
in the corresponding safety  population .
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Page 372.5.4.4.2. Noninferiority Between 12-15 Years of Age and 16- 25 Years of Age Groups
Geometric Mea n Ratio (GMR) in Neutralization Titers
The immune response to BNT162b2 in adolescents 12- 15 years of age was noninferior to that 
observed in young adults 16- 25 years of age, based on SARS -CoV -2 50% neutralizing titers 
at 1month after Dose 2, in participan ts without prior evidence of SARS -COV -2 infection, 
and in fact greatl y exceeded the response observed in young adults. The GMT ratio of 
adolescents to young adults was 1.76 (2-sided 95% CI : 1.47, 2.10), meeting the 1.5- fold NI 
criterion (ie, lower bound of the 2 -sided 95% CI for GMR >0.67). Of note, the lower bound 
of the 2- sided 95% CI for the GMR is >1 which indicates a statisticall y greater response in 
the adolescents tha n that of y oung adults.
Seroresponse 
Among participants without prior evidence of SARS -CoV -2 infection up to 1 month after 
Dose 2 of BNT162b2, high proportions (97.9% of adolescents and 100.0% of y oung adults) 
had a ≥4-fold rise (seroresponse) in SARS -CoV -2 50% neutralizing titers from before 
vaccination to 1 month after Dose 2. The difference in proportions of participants who had a 
≥4-fold rise between the two age groups (adolescents – young adults) was -2.1% (2 -sided 
95% CI : -6.0%, 0.9%)
2.5.4.4.3. Immunogenicity Conclusions
Refer to Section 11.3 of the adolescent interim CSR dated 14 April 2021 (through data cutoff 
date of 13 March 2021, Module 5.3.5.1 C4591001 Adolescent Interim CSR ) for full details 
of immunogenicit y analyses for adolescent participants 12 -15 years of age , including results 
foradditional immunogenicity  endpoints which were anal yzed for SARS CoV -2 serum 
neutralizing titers (GMTs, GMFRs, and sero response rate s).
In conclusion, immune response to BNT162b2 30 µg in SARS- CoV -2 50% neutralizing titers
in adolescents 12 -15 years of age was noninferior to (and in fact exceeded) the immune 
response in young adults 16-25 years of age, which provides immunobridging for 
adolescents. Substantial increases over baseline in neutralizing GMTs and high serorespon se 
rates were observed at 1 month after Dose 2 in both age groups, which were observed for 
participants with baseline SARSCoV -2 positive and negative status. The vast majority of 
BNT162b2 recipients in both age groups achieved a ≥4-fold rises from before v accination to 
1month after Dose 2.
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Page 382.5.5. Overview of Safety
The methods and statistical anal yses for safety  evaluation are summarized in Section 2.5.5.1
and Section 2.5.5.1.2 , respectivel y, and results as of the data cutoff date ( 02 Septem ber 2021) 
are presented in Section 2.5.5.2 .
Details of safety  anal ysis methods in Study  C4591001 are provided in the Module 
5.3.5.1 C4591001 Protocol and SAP.
2.5.5.1. Safety Endpoints and Analysis Methods
2.5.5.1.1. Safety Endpoints 
Reactogenicity
All participants 12-15 years of age and a subset of participants ≥16 y ears of age (y oung 
adults 16- 25 years of age and adults 16- 55 years of age), were asked to record reactogenicit y 
(referred as reactogenicity subset):15local reactions (pain, redness and swel ling at the 
injection site), sy stemic events (fever, fatigue, headache, chills, vomiting, diarrhea, new or 
worsened muscle pain, and new or worsened joint pain), and antip yretic/pain medication 
usage for 7 days, each evening following administration of stu dy intervention using prompts 
from an electronic diary  (e-diary ). This allowed recording of these assessments only  within a 
fixed time window and provided an accurate representation of the participant’s experience at 
that time. P articipant s were asked to assess local reactions and s ystemic events from Day 1 
through Day 7 after each dose.  
Adverse Events
Adverse events (AEs) were recorded for up to 1 month after Dose 2 and categorized by  
frequency , maximum severity , seriousness, and relationship to study  intervention using SOC 
and PT according to MedDRA. Serious AEs (SAEs) will be recorded up to 6 months after 
Dose 2. Deaths are recorded to the end of stud y.
Myocarditis and pericarditis were included as pre-specified adverse events of special inte rest 
(AESI s) in Protocol Amendment 18 (07 September 2021).
Pfizer also utilizes a safety review as part of the signal detection processes that highlights 
specified targeted medical events (TMEs) of clinical interest. TMEs are specific AE terms 
reviewed on an ongoing basis by  routine safet y data review procedures throughout the 
clinical study . Although not prespecified in the protocol, TMEs are maintained in a separate 
list as part of the Safet y Surveillance Review Plan for the vaccine program. By  definition , 
TMEs are considered to be AESIs specific for a product or program's protocol(s). They  are
based on review of known pharmacology , toxicology  findings, possible class effects, 
published literature, and potential signals arising from safet y data assessments.
The list of TMEs is customized for each development program and is d ynamic. For this 
study , the list of TMEs includes events of interest because of their association with 
COVID -19 and terms of interest for vaccines in general. Terms are chosen from the 
MedDRA dictionary  and may  include PTs, high level term, high level group terms, or 
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Page 39standardized MedDRA queries (SMQs; all evaluated as broad and narrow). Other events of 
clinical i nterest identified by  the sponsor in the reported safet y dataset were also reviewed 
and summarized (Section 2.5.5.2.7 ).
Prior SARS -CoV -2 infection was determined b y virological testing via nucleic acid 
amplification test ( NAAT) on mid-turbinate swab and serological testing for IgG to the 
SARS -CoV -2 N-antigen at baseline, and via NAAT at Dose 2. P articipants were surveilled 
for potential COVID -19 illness from Visit 1 onwards.
Pregnancies were reported for participants in an y phase of the stud y.
Narratives for safety events in adolescents (12 -15 years of age) are located in Module 5.3.5.1
C4591001 Adolescent 6- Month Update Int erim CSR Section 14 Narratives . Narratives for 
this age group were prepared for participants if they  had the following events:
deaths
Related SAEs
AEs leading to study  discontinuation
AEs of clinical interest ( including anaphy laxis, appendicitis, Bell’s pa lsy)
pregnancy  exposures
COVID -19 (participants with a case meeting severe criteria or >1 episode of COVID- 19)
2.5.5.1.2. Safety Analysis Methods 
Safety  data were anal yzed and reported using descriptive summary  statistics for the safet y 
population for each study phase .Anal yses were performed for endpoints described in 
Section 2.5.5.1.1 . 
Reactogenicity
Descriptive statistics were provided for each reactogenic ity endpoint for the reactogenicit y 
subset after each dose for each vaccine group. Local reactions and systemic events from Day  
1 through Day  7 after each vaccination are presented by  severit y and cumulatively across 
severit y levels. Descriptive summary st atistics included counts and percentages of 
participants with the indicated endpoint and the associated Clopper -Pearson 2 -sided 95% CIs.
Missing reactogenicit y e-diary  data were not imputed.
Adverse Events
Descriptive summary  statistics including counts, p ercentages, and associated 
Clopper -Pearson 2-sided 95% CI s were provided for AEs for each vaccination group .
AE anal yses of participants who had different durations of follow -up time due to unblinding in 
the study  (per protocol) were summarized as incidence rates (IR)adjusted for exposure time . 
This wascalculated as: (number of participants reporting event ) /(total exposure time across 
all participants in the specified group ). This account sfor variable exposure since unblinding 
began for individ ual participants (as described in Section 2.5.1.2.3.2.1 ).Two-sided 95% CIs 
for the IRswere provided based on Poisson distribution.
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Page 402.5.5.2. Safety Results
2.5.5.2.1. Safety Population s
The safet y population included a total of 2260participants who were 12- 15 years of age : 
1131 participants in the BNT162b2 group and 1129 participants in the placebo group 
(Table 7). Four participants were excluded from the safety population because they did not 
receive an y stud y intervention.
Table 7.Safety Population – Phase 2/3 Subjects 12 Through 15 Years of Age
Vaccine Group (as Administered)
BNT162b2 (30 μg)
naPlacebo
naTotal
na(%)
Randomizedb2264
Vaccinated 1131 1129 2260 (99.8)
Safety population 1131 1129 2260 (99.8)
Excluded from safety population 4 (0.2)
Reason for exclusion
Subject did not receive study vaccine 4 (0.2)
a. n = Number of subjects with the specified characteristic, or the total sample. 
b. This value is the denominator for the percentage calculations. 
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2.5.5.2.1.1. Duration of Follow- Up
During the blinded placebo -controlled follow -up period, median follow -up time for 
adolescent participants was 4 .4 months. There were 634 (56.1%) and 629 ( 55.7% )of 
participants in the BNT162b2 and placebo groups, respectivel y, who had follow -up time ≥4 
months to <6 months after Dose 2 ( Table 8). From Dose 2 t o the cutoff date, 740 (65.4%) of 
participants in the BNT162b2 group had a total follow- up time ≥8 to <10 months, which was 
composed of blinded and unblinded exposure . There were few participants (18 total) with 
follow -up time of <6 months, as most adolescent participants 12-15 years of age should have 
had ≥6 months of follow -up by  the data cutoff date (02September 2021) , and also 
corresponding with the number of participants who withdrew from the study (Table 10).
For original adolescent placebo recipients who received at least the first dose of BNT162b2, 
median follow -up time was 3.8 months, and 65.0% of these participants had follow- up time 
between ≥2 months to <4 months after Dose 1of BNT162b2 ( Table 9).
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Page 41Table 8.Follow -up Time After Dose 2 – Phase 2/3 Subjects 12 Through 15 Years of 
Age –Safety Population
Vaccine Group (as Administered)
BNT162b2 (30 μg)
(Na=1131)
nb(%)Placebo
(Na=1129)
nb(%)Total
(Na=2260)
nb(%)
Original blinded placebo -controlled follow -up period
<2 Months 45 (4.0) 62 (5.5) 107 (4.7)
≥2-<4 Months 300 (26.5) 294 (26.0) 594 (26.3)
≥4-<6 Months 634 (56.1) 629 (55.7) 1263 (55.9)
≥6 Months 152 (13.4) 144 (12.8) 296 (13.1)
Mean (SD) 4.5 (1.24) 4.4 (1.27) 4.4 (1.26)
Median 4.4 4.4 4.4
Min, max (0.0, 10.8) (0.0, 9.1) (0.0, 10.8)
Total follow -up period from Dose 2 to cutoff date
<2 Months 8 (0.7)
≥2-<4 Months 0
≥4-<6 Months 10 (0.9)
≥6-<8 Months 326 (28.8)
≥8-<10 Months 740 (65.4)
≥10 Months 47 (4.2)
Mean (SD) 8.3 (1.03)
Median 8.4
Min, max (0.0, 10.9)
a. N = number of subjects in the specified group, or the total sample. This value is the denominator for the percentage 
calculations. 
b. n = Number of subjects with the specified characteristic. 
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Page 42Table 9.Follow -up Time After Dose 1 of BNT162b2 –Phase 2/3 Subjects 12 
Through 15 Years of Age (Subjects Who Originally Received Placebo) –
Safety Population
Vaccine Group (as Administered)
BNT162b2 (30 μg)
(Na=1010)
nb(%)
Open -label follow -upperiod
<2 Months 66 (6.5)
≥2-<4 Months 656 (65.0)
≥4-<6 Months 228 (22.6)
≥6 Months 60 (5.9)
Mean (SD) 3.8 (1.09)
Median 3.8
Min, max (0.1, 8.6)
a. N = number of subjects in the specified group. This value is the denominator for the percentage calculations. 
b. n = Number of subjects with the specified characteristic. 
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2.5.5.2.1.2. Disposition
Blinded Placebo -Controlled Follow -Up Period
During the blinded placebo -controlled follow -up period, there were 3 (0.3%) participants in 
the BNT162b2 group and 14 (1.2%) participants in the placebo group who discontinued from 
the vaccination period (Dose 1 to 1 month after Dose 2) ( Table 10). Most particip ants 
completed the visit at 1 month post -Dose 2 ( ≥97.0 %). Few participants in the BNT162b2 and 
placebo groups were withdrawn from the study  (0.4% and 1.2%, respectively ), and all we re
because of withdrawal by  the participant, withdrawal by  parent/guardian, or they  were lost to 
follow -up. 
Open -Label Follow -Up Period
Individuals have been unblinded as they  became locally  eligible and wished to know their 
vaccine assignment to confirm prior vaccination with BNT162b2 (if randomized to this 
group), or to receive BNT162b2 (if randomized to placebo). Participants who originally 
received BNT162b2 continued to be followed in an open- label manner. Participant swho 
originall y received placebo were offered BNT162b2 vaccination (Doses 3 and 4 [first and 
second dose of BNT162b2 30 µg, respectivel y]) and thereafter followed in an open- label 
manner.
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Page 43Most participants in the BNT162b2 (98.1%) and placebo (97.0%) groups completed the 
1month post-Dose 2 visit before unblinding (Table 10). 
A total of 4 (0.4%) original BNT162b2 adolescent participants received Dose 1 of 
BNT162b2 during the blinded placebo- controlled follow -up period and then received Dose 2 
of BNT162b2 30 µg during the open- label follow -up period (when they  were unblinded)
(Table 10). There were 45 (4.0%) participants withdrawn from the study , and most were 
because of other reasons (21 of 23 participants were enrolled into Study  C4591031 to 
evaluate a booster dose of BNT162b2).
During the open- label follow -up period, most participants o riginally  randomized to the 
placebo group received Doses 3 and 4 (89.4% and 87.8%, first and second dose of 
BNT162b2 30 µg, respectively ). There were 47 (4.2%) participants who were withdrawn 
from the study  after unblinding and before Dose 3. There were fe w participants in this group 
(who received at least the first dose of BNT162b2 30 µg)who were withdrawn from the 
study (0.5%) , and most were because of withdrawals by  the participant, or they  were lost to 
follow -up ( Table 10).
Table 10. Disposition of All Randomized Subjects – Phase 2/3 Subjects 12 Through 
15 Years of Age
Vaccine Group (as Randomized)
BNT162b2 (30 μg)
(Na=1134)
nb(%)Placebo
(Na=1130)
nb(%)Total
(Na=2264)
nb(%)
Randomized 1134 (100.0) 1130 (100.0) 2264 (100.0)
Not vaccinated 3 (0.3) 1 (0.1) 4 (0.2)
Original blinded placebo -controlled follow -up period
Vaccinated 1131 (99.7) 1129 (99.9) 2260 (99.8)
Dose 1 1131 (99.7) 1129 (99.9) 2260 (99.8)
Dose 2 1124 (99.1) 1117 (98.8) 2241 (99.0)
Discontinued from original blinded placebo- controlled vaccination 
periodc3 (0.3) 14 (1.2) 17 (0.8)
Reason for discontinuation
No longer meets eligibility criteria 0 7 (0.6) 7 (0.3)
Protocol deviation 0 2 (0.2) 2 (0.1)
Adverse event 1 (0.1) 0 1 (0.0)
Physician decision 1 (0.1) 0 1 (0.0)
Withdrawal by subject 0 1 (0.1) 1 (0.0)
Withdrawal by parent/guardian 0 1 (0.1) 1 (0.0)
Other 1 (0.1) 3 (0.3) 4 (0.2)
Unblinded before 1 -month post –Dose 2 visit 12 (1.1) 21 (1.9) 33 (1.5)
Completed 1 -month post –Dose 2 visit 1113 (98.1) 1096 (97.0) 2209 (97.6)
Withdrawn from the study 5 (0.4) 14 (1.2) 19 (0.8)
Withdrawn after Dose 1 and before Dose 2 0 0 0
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Page 44Table 10. Disposition of All Randomized Subjects – Phase 2/3 Subjects 12 Through 
15 Years of Age
Vaccine Group (as Randomized)
BNT162b2 (30 μg)
(Na=1134)
nb(%)Placebo
(Na=1130)
nb(%)Total
(Na=2264)
nb(%)
Withdrawn after Dose 2 and before 1 -month post –Dose 2 visit 0 3 (0.3) 3 (0.1)
Withdrawn after 1 -month post –Dose 2 visit 5 (0.4) 11 (1.0) 16 (0.7)
Reason for withdrawal from the study
Withdrawal by subject 1 (0.1) 7 (0.6) 8 (0.4)
Withdrawal by parent/guardian 1 (0.1) 5 (0.4) 6 (0.3)
Lost to follow -up 3 (0.3) 2 (0.2) 5 (0.2)
Open -label follow -up period
Originally randomized to BNT162b2 1107 (97.6)
Received Dose 2/unplanned dose 4 (0.4)
Completed 1 -month post –Dose 2 visit 15 (1.3)
Completed 6 -month post –Dose 2 visit 1065 (93.9)
Withdrawn from the study 45 (4.0)
Withdrawn before 6 -month post –Dose 2 visit 25 (2.2)
Withdrawn after 6 -month post –Dose 2 visit 20 (1.8)
Reason for withdrawal from the study
Withdrawal by subject 7 (0.6)
Withdrawal by parent/guardian 7 (0.6)
Lost to follow -up 6 (0.5)
Protocol deviation 1 (0.1)
No longer meets eligibility criteria 1 (0.1)
Other 23 (2.0)
Originally randomized to placebo 1108 (98.1)
Withdrawn from the study after unblinding and before Dose 3 47 (4.2)
Received Dose 3 (first dose of BNT162b2 [30 μg]) 1010 (89.4)
Received Dose 4 (second dose of BNT162b2 [30 μg]) 992 (87.8)
Discontinued from open -label vaccination periodd5 (0.4)
Reason for discontinuation from open -label vaccination period
Protocol deviation 4 (0.4)
Withdrawal by subject 1 (0.1)
Completed 1 -month post–Dose 4 visit 933 (82.6)
Withdrawn from the study 6 (0.5)
Withdrawn after Dose 3 and before Dose 4 5 (0.4)
Withdrawn after Dose 4 and before 1 -month post –Dose 4 visit 0
Withdrawn after 1 -month post –Dose 4 visit 1 (0.1)
Reason for withdrawal from the study
Withdrawal by subject 3 (0.3)
Lost to follow -up 2 (0.2)
Protocol deviation 1 (0.1)
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Page 45Table 10. Disposition of All Randomized Subjects – Phase 2/3 Subjects 12 Through 
15 Years of Age
Vaccine Group (as Randomized)
BNT162b2 (30 μg)
(Na=1134)
nb(%)Placebo
(Na=1130)
nb(%)Total
(Na=2264)
nb(%)
a. N = number of randomized subjects in the specified group, or the total sample. This value is the denominator for the 
percentage calculations. 
b. n = Number of subjects with the specified characteristic. 
c. Original blinded placebo -controll ed vaccination period is defined as the time period from Dose 1 to 1 -month post –
Dose 2 visit. 
d. Open -label vaccination period is defined as the time period from Dose 3 (first dose of BNT162b2 [30 µg]) to 1 -month 
post–Dose 4 (second dose of BNT162b2 [ 30 µg]) visit. 
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2.5.5.2.1.3. Demographics
Demographic characteristics for adolescents (12 -15 years of age) were similar in the 
BNT162b2 and placebo groups in the safet y population, and all adolescents were enrolled at 
sites in the United States (Table 11). Most adolesce nt participants in the BNT162b2 group 
were White (85.8%), with 4.6% Black or African American participants and 6.4% Asian 
participants, and other racial groups were ≤2.1%. There were 11.7% Hispanic/L atino 
participants. The median age of adolescents in the BNT162b2 group was 14.0 years and 
50.1% were male. Obese adolescents of this age group (based on age -and sex -specific BM I) 
made up 11.3% (placebo group) to 12.6% (BNT162b2 group).
Overall, there were 96 (4.2%) and 2161 (95.6%) participants who were baseline 
SARs- CoV -2 positive and negative, respectivel y (Table 11). Considering that the baseline 
positive subgroup had fewer participants than the negative subgroup overall, t here were no 
clinically  meaningful differences in demographics in the 2 vaccine groups by  SARS -CoV -2 
status.
Adolescent participants had a diverse medical history  profile consistent with that of 
individuals in the general population in the same age group. For adolescents in the 
BNT162b2 group, conditions in the immune sy stem disorders (399 [35.3%]; of which 
241[21.3%] were seasonal allergy ); psychiatric disorders (293 [25.9%] , with frequentl y 
reported PTs of attention deficit hy peractivity  disorder (182 [16.1%]), anxiety  (107 [9.5%]), 
and depression (51 [4.5 %]); respiratory , thoracic, and mediastinal disorders (179 [15.8%]); 
and skin and subcutaneous tissue disorders (170 [15.0%]) SOCs were most frequentl y 
reported.
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Page 46There were 123 (10.9%) and 136 (12.0%) participants in the BNT162b2 and placebo groups, 
respectivel y, who had any comorbidit y (per the Charlson comorbidity index), which was 
mostly  chronic pulmonary  disease (119 [10.5%] and 127 [11.2%] participants, respectivel y).
Table 11.Demographic Characteristics – Phase 2/3 Subjects 12 Through 15 Years of 
Age –Safety Population
Vaccine Group (as Administered)
BNT162b2 (30 μg)
(Na=1131)
nb(%)Placebo
(Na=1129)
nb(%)Total
(Na=2260)
nb(%)
Sex
Male 567 (50.1) 585 (51.8) 1152 (51.0)
Female 564 (49.9) 544 (48.2) 1108 (49.0)
Race
White 970 (85.8) 962 (85.2) 1932 (85.5)
Black or African American 52 (4.6) 57 (5.0) 109 (4.8)
All others 109 (9.6) 110 (9.7) 219 (9.7)
American Indian or Alaska Native 4 (0.4) 3 (0.3) 7 (0.3)
Asian 72 (6.4) 71 (6.3) 143 (6.3)
Native Hawaiian or other Pacific Islander 3 (0.3) 0 3 (0.1)
Multiracial 24 (2.1) 29 (2.6) 53 (2.3)
Not reported 6 (0.5) 7 (0.6) 13 (0.6)
Racial designation
Japanese 5 (0.4) 2 (0.2) 7 (0.3)
Ethnicity
Hispanic/Latino 132 (11.7) 130 (11.5) 262 (11.6)
Non-Hispanic/non -Latino 997 (88.2) 996 (88.2) 1993 (88.2)
Not reported 2 (0.2) 3 (0.3) 5 (0.2)
Country
USA 1131 (100.0) 1129 (100.0) 2260 (100.0)
Baseline SARS -CoV -2 status
Positivec46 (4.1) 50 (4.4) 96 (4.2)
Negatived1083 (95.8) 1078 (95.5) 2161 (95.6)
Missing 2 (0.2) 1 (0.1) 3 (0.1)
Comorbiditiese
Yes 249 (22.0) 242 (21.4) 491 (21.7)
No 882 (78.0) 887 (78.6) 1769 (78.3)
Obesef
Yes 143 (12.6) 128 (11.3) 271 (12.0)
No 988 (87.4) 1001 (88.7) 1989 (88.0)
Age at vaccination (years)
Mean (SD) 13.6 (1.11) 13.6 (1.11) 13.6 (1.11)
Median 14.0 14.0 14.0
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Page 47Table 11.Demographic Characteristics – Phase 2/3 Subjects 12 Through 15 Years of 
Age –Safety Population
Vaccine Group (as Administered)
BNT162b2 (30 μg)
(Na=1131)
nb(%)Placebo
(Na=1129)
nb(%)Total
(Na=2260)
nb(%)
Min, max (12, 15) (12, 15) (12, 15)
Abbreviation: SARS -CoV -2 = severe acute respiratory syndrome coronavirus 2. 
a. N = number of subjects in the specified group, or the total sample. This value is the denominator for the percentage 
calculations. 
b. n = Number of subjects with the specified characteristic. 
c. Positive N -binding antibody result at Visit 1, positive NAAT result at Visit 1, or medical history of COVID -19. 
d. Negative N -binding antibody result at Visit 1, negative NAAT result at Visit 1, and no medical history of COVID -19. 
e. Number of subjects who have 1 or more comorbidities that increase the risk of severe COVID -19 disease: defined as 
subjects who had at least one of the Charlson comorbidity index category or BMI ≥95thpercentile. 
f.Obese is defined as BMI ≥95thpercentile from the growth chart. Refer to the CDC growth char ts at 
https://www.cdc.gov/growthcharts/html charts/bmiagerev htm. 
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2.5.5.2.1.3.1. Participants With at Least 6 Months Follow -Up Time –BNT162b2 Group
Demographic characteristics for all original BNT162b2 recipients 12-15years of age and 
having at least 6 months of follow- up time after Dose 2 were similar to demographic 
characteristics in the BNT162b2 group overall ( Table 11). 
2.5.5.2.1.3.2. Original Placebo Recipients 12 Through 15 Years of Age Who Then 
Received BNT162b2
Demographic characteristics for all original placebo recipients 12-15 years of age who then 
received BNT162b2 later during the open -label follow -up period were similar to 
demographic characteristics in the placebo group overall ( Table 11).
2.5.5.2.2. Reactogenicit y
There are no new reactogenicity  data presented in this submission since the adolescent 
interim CSR, dated 14 April 2021. 
The majority  of reactogenicity  events previously  reported in adolescent participants were 
mild or moderate in severity  and short -lived after dosing (ie, median onset mostly  between 1 -
3 day s after dosi ng and resolution within 1 -3 day s after onset) (full details in Sections 12.1.1 
and 12.1.2 of the adolescent interim C4591001 CSR dated 14 April 2021).
2.5.5.2.3. Adverse Events
AE safet y data are from either the blinded placebo -controlled follow -up period, the 
open -label observational follow -up period, or both. The time periods and safety  anal ysis 
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Page 48groups are presented below and in Figure 2. AEs reported from Dose 1 to 1 month after 
Dose 2 during the blinded placebo- controlled follow -up period were previously  reported in 
the adolescent interim CSR, dated 14 April 2021. For each time period, overall safety  will be 
presented in addition to new AEs that were reported s ince the EUA snapshot occurred (based 
on a data cutoff date of 13 March 2021), in the following order:
Blinded placebo- controlled follow -up p eriod from Dose 1 to the unblinding date, 
including separate summaries for new AEs that were reported after the EUA snapshot 
date ( Section 2.5.5.2.3.1 )
Open -label follow -up period –original BNT162b2 recipients ( Section 2.5.5.2.3.2 ) 
Blinded placebo -controlled and open -label follow -up periods from Dose 1 to 
6months after Dose 2 – original BNT162b2 participants, including separate 
summaries for new AEs that were reported after the EUA snapshot date 
(Section 2.5.5.2.3.3 ) 
Open -label follow -up period – original placebo recipients who then received at least 
1 dose of BNT162b2 after unblinding ( Section 2.5.5.2.3.4 ) 
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Page 49Figure 2.Phase 2/3 Safety Analyses of Adolescent Participants: Time Periods and 
Analysis Groups
2.5.5.2.3.1. Blinded Placebo- Controlled Follow -Up Period From Dose 1 to the 
Unblinding Date (Adverse Events)
2.5.5.2.3.1.1. Summary of Adverse Events (Blinded Placebo- Controlled Follow -Up 
Period From Dose 1 to the Unblinding Date )
An overview of AE IRs adjusted for exposure time from Dose 1 to the unblinding date for 
adolescent participants during the blinded placebo -controlled follow -up period is presented in 
Table 12, and total exposure time in 100 PY was similar in the BNT162b2 and placebo 
groups (4.6 vs 4.5 per 100 PY, respectivel y). Hence, frequencies aresummarized in the 
safet y results .
The percentage of adolescent participants with any AE was similar in the BNT162b2 and 
placebo groups (8.4% and 10.0%, respectively). Severe AEs, SAEs, and AEs leading to 
withdrawal were reported by  ≤1.1%, ≤0.9%, and ≤0.1%, respectively , in both groups. All
reported SAEs were assessed by the investigator as not related to study  intervention. 
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Page 50Withdrawals due to related AEs were reported in 1 adolescent participant in the BNT162b2 
group (p yrexia occurring 1 day after Dose 1; previously reported in adolescent interim CSR 
dated 14 April 2021, Section 12.3.2.4.1), and none in the placebo group. There were no 
deaths.
Table 12. Incidence Rates of at Least 1 Adverse Event From Dose 1 to Unblinding 
Date –Blinded Placebo -Controlled Follow -up Period – Phase 2/3 Subjects 
12 Through 15 Years of Age –Safety Population
Vaccine Group (as Administered)
BNT162b2 (30 μg)
(Na=1131, TEb=4.6)Placebo
(Na=1129, TEb=4.5)
Adverse Event nc(%) IRd(95%  CIe) nc(%) IRd(95%  CIe)
Any event 95(8.4) 20.8 (16.8, 25.4) 113(10.0) 25.1 (20.7, 30.1)
Relatedf36(3.2) 7.9 (5.5, 10.9) 24(2.1) 5.3 (3.4, 7.9)
Severe 13(1.1) 2.8 (1.5, 4.9) 5(0.4) 1.1 (0.4, 2.6)
Life-threatening 2(0.2) 0.4 (0.1, 1.6) 1(0.1) 0.2 (0.0, 1.2)
Any serious adverse event 10(0.9) 2.2 (1.0, 4.0) 2(0.2) 0.4 (0.1, 1.6)
Relatedf0 0.0 (0.0, 0.8) 0 0.0 (0.0, 0.8)
Severe 7(0.6) 1.5 (0.6, 3.2) 1(0.1) 0.2 (0.0, 1.2)
Life-threatening 1(0.1) 0.2 (0.0, 1.2) 1(0.1) 0.2 (0.0, 1.2)
Any nonserious adverse event 89(7.9) 19.5 (15.6, 24.0) 111(9.8) 24.6 (20.3, 29.6)
Relatedf36(3.2) 7.9 (5.5, 10.9) 24(2.1) 5.3 (3.4, 7.9)
Severe 6(0.5) 1.3 (0.5, 2.9) 4(0.4) 0.9 (0.2, 2.3)
Life-threatening 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Any adverse event leading to 
withdrawal1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Relatedf1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Severe 0 0.0 (0.0, 0.8) 0 0.0 (0.0, 0.8)
Life-threatening 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Death 0 0.0 (0.0, 0.8) 0 0.0 (0.0, 0.8)
a. N = number of subjects in the specified group. This value is the denominator for the percentage calculations. 
b. TE = total exposure time in 100 person -years across all subjects in the specified group. Exposure time for a subject is 
the time from  Dose 1 to the end of the blinded follow -up period. This value is the denominator for the incidence rate 
calculation. 
c. n = Number of subjects reporting at least 1 occurrence of the specified event category. For "any event," n = number of 
subjects reporting at least 1 occurrence of any event. 
d. Incidence rate (IR) is calculated as number of subjects reporting the event/total exposure time in 100 person -years 
(PY) across all subjects in the specified group. 
e. 2-sided CI based on Poisson d istribution. 
f.Assessed by the investigator as related to investigational product. 
PFIZER CONFIDENTIAL SDTM Creation: 05OCT2021 (18:29) Source Data: adae Table Generation: 03NOV2021 
(10:22) 
(Data Cutoff Date: 02SEP2021, Database Snapshot Date: 27SE P2021) Output File: 
./nda2 unblinded/C4591001 S Peds/adae s092 all unb1 ped6 
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Page 51Subgroup Analyses (Summary of Adverse Events [ Blinded Placebo -Controlled Follow -
Up Period From Dose 1 to the Unblinding Date ])
Total exposure time in 100 PY was similar in the BNT162b2 and placebo groups for each 
subgroup anal ysis.
There were 4 (8.7%) and 91 (8.4%) participants who were baseline SARS -CoV -2 positive 
and negative in the BNT162b2 group who reported at least 1 AE, respectively , and 4 (8.0%) 
and 109 (10.1%) participants who were baseline SARS -CoV -2 positive and negative in the 
placebo group who reported at least 1 AE, respectively . The frequency  of severe AEs, SAEs 
(all assessed as not related), or AEs leading to withdrawal in participants who were 
SARS -CoV -2 neg ative was 1.2%, 0.9%, and 0.1%, respectivel y, while there were no severe 
AEs, SAEs, or AEs leading to withdrawal in participants who were SARS -CoV -2 positive, 
supporting previous observations in this study that participants who are SARS -CoV -2 
positive at baseline do not report AEs at a higher rate than those who are negative at baseline
(previousl y reported in 6- month update interim CSR, dated 29 April 2021) . 
The frequency  of at least 1 AE reported in the BNT162b2 group was 6.8% in 
Hispanic/Latino and 8.6% in non -Hispanic/non -Latino participants. The frequency  of related 
AEs, severe AEs, SAEs (all not related), and AEs leading to withdrawal was similar in the 
Hispanic/Latino and Non -Hispanic/Non-Latino subgroups. Considering that the 
Hispanic/Latino subgrou p (N=132) had fewer participants than the non- Hispanic/non -Latino 
subgroup (N=99 7) in the BNT162b2 group, the small numerical differences in these 
subgroups were not considered clinically  meaningful.
The frequency  of at least 1 AE reported in the BNT162b2 group was 5.8% to 8.6% across 
race subgroups. Related AEs were reported in the BNT162b2 group across race subgroups at 
frequencies of 1.9% to 5.5%. L ow incidences of severe and serious AEs were reported in the 
BNT162b2 groups across race subgroups ( ≤1.9%).Considering that some race subgroups 
had fewer participants than others (within the BNT162b2 groups: White N=970, Black or 
African American N=52, and ‘All Others’ N=109), the small numerical differences in these 
subgroups were not considered clinically  meaningful.
The frequency  of at least 1 AE reported in the BNT162b2 group for males and females was 
7.4% and 9.4%, respectively , and the corresponding frequency  in the placebo group was 
9.7% and 10.3%, respectively . In the BNT162b2 group, frequencies of at l east 1 SAE in male 
and female participants were 0.5% and 1.2% in the BNT162b2 group and 0.3% and none in 
the placebo group, respectively .
2.5.5.2.3.1.2. Analysis of Adverse Events (Blinded Placebo -Controlled Follow -Up Period 
From Dose 1 to the Unblinding Date)
Adverse E vents by System Organ Class and Preferred Term ( Blinded Placebo -
Controlled Follow -Up Period From Dose 1 to the Unblinding Date )
AEs from Dose 1 to the unblinding date during the blinded placebo -controlled follow -up 
period are presented in Table 13. AEs reported i n adolescents were similar in the BNT162b2 
and placebo groups (8.4% and 10.0%, respectively). The most frequently  reported AEs in the 
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Page 52BNT162b2 gr oup included ly mphadenopathy  (9 [0.8%]), injection site pain (8 [0.7%]), 
fatigue (8 [0.7%]), py rexia (6 [0.5%]), depression (6 [0.5%]) nausea (5 [0.4%]), and headache 
(5[0.4%]). Most of these AEs were previousl y reported in the adolescent interim CSR, date d 
14April 2021. 
The number of participants with psy chiatric disorder AEs were comparable in the 2 groups, 
(17 [1.5%] in BNT162b2 group vs. 13 [1.2%] in placebo group) ( Table 13). There were 4 
participants who were hospitalized with the event of suicidal ideation (3 of these were new 
after the EUA snaps hot and are discussed in Section 2.5.5.2.5.1.1 ; the remaining case that 
was previousl y reported in the adolescent interim CSR, dated 14 April 2021 is discussed in 
Section 2.5.5.2.5.1 ). All participants were in the BNT162b2 group and had an ongoing past 
medical history  of depression and/or anxiety  (3diagnosed within 2020 and 1 since 2018). Of 
these 4 participants, 3 had been taking selective serotonin reuptake inhibitors (fluoxetine or 
sertraline) for their ongoing condition.  The fourth participant had their concomitant 
medication for attention deficit hy peractivity  disorder changed from methy lphenidate 
hydrochloride to demethy lphenidate hy drochloride approximately  22 day s before the event of 
suicidal ideation occurred.
A total of 9 participants reported depression: 6 [0.5%] in the BNT162b2 group and 3 [0.3%] 
in the placebo group (Table 13), (6 of these were new after the EUA snapshot; 4 in the 
BNT162b2 group and 2 in the placebo group [Table 15]). Of the 6 participants in the 
BNT162b2 group 3 participants had a known past medical history  of ongoing depression, and 
of the 4 newl y diagnosed cases in the BNT162b2 group, 3 participants had an ongoing past 
medical history  of attention deficit hy peractivity  disorder and the depression for the 
remaining participant in this group was reported to be due to social events. Within the 
placebo group, 2 of the 3 participants were newl y diagnosed wi th depression (Table 13and
Table 15, respectivel y).
The event of conversion diso rder(BNT162b2 group) has been previousl y reported in the 
adolescent interim CSR dated 14 April 2021 Section 12.4.2.1.1 as an SAE of neuralgia and 
had been extensively  investigated. Further follow -up since the adolescent interim CSR :the 
participant was co ntinuing with ph ysical therap y and had undergone further neurological 
examination and investigations including an MRI brain scan with and without contrast that 
was normal. There has been little change in her symptoms, and she continues to require 
treatment .
The 1 participant in the BNT162b2 group who reported a tic had an exacerbation of their 
known tic disorder (diagnosed since 2019) and was considered to be due to life stressors (as 
determined b y the principal investigator) . This event was previousl y reported in the 
adolescent interim CSR dated 14 April 2021 .
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Page 53Table 13. Incidence Rates of at Least 1 Adverse Event From Dose 1 to Unblinding 
Date, by System Organ Class and Preferred Term –Blinded Placebo -
Controlled Follow -up Period – Phase 2/3 Subjects 12 Through 15 Years of 
Age –Safety Population
Vaccine Group (as Administered)
BNT162b2 (30 μg)
(Na=1131, TEb=4.6)Placebo
(Na=1129, TEb=4.5)
System  Organ Class
Preferred Termnc(%)IRd(95%  CIe) nc(%) IRd(95%  CIe)
Any event 95(8.4) 20.8 (16.8, 25.4) 113(10.0) 25.1 (20.7, 30.1)
BLOOD AND LYMPHATIC SYSTEM DISORDERS 9(0.8) 2.0 (0.9, 3.7) 2(0.2) 0.4 (0.1, 1.6)
Lymphadenopathy 9(0.8) 2.0 (0.9, 3.7) 2(0.2) 0.4 (0.1, 1.6)
CONGENITAL, FAMILIAL AND GENETIC 
DISORDERS0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Spine malformation 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
EAR AND LABYRINTH DISORDERS 1(0.1) 0.2 (0.0, 1.2) 3(0.3) 0.7 (0.1, 1.9)
Cerumen impaction 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Conductive deafness 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Ear pain 1(0.1) 0.2 (0.0, 1.2) 1(0.1) 0.2 (0.0, 1.2)
EYE DISORDERS 2(0.2) 0.4 (0.1, 1.6) 1(0.1) 0.2 (0.0, 1.2)
Eye pain 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Eyelid rash 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Retinal haemorrhage 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
GASTROINTESTINAL DISORDERS 14(1.2) 3.1 (1.7, 5.1) 8(0.7) 1.8 (0.8, 3.5)
Abdominal pain 2(0.2) 0.4 (0.1, 1.6) 1(0.1) 0.2 (0.0, 1.2)
Aphthous ulcer 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Constipation 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Diarrhoea 3(0.3) 0.7 (0.1, 1.9) 1(0.1) 0.2 (0.0, 1.2)
Gastritis 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Lip swelling 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Mouth swelling 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Mouth ulceration 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Nausea 5(0.4) 1.1 (0.4, 2.6) 3(0.3) 0.7 (0.1, 1.9)
Oral mucosal blistering 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Rectal prolapse 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Tooth impacted 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Toothache 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Vom iting 1(0.1) 0.2 (0.0, 1.2) 1(0.1) 0.2 (0.0, 1.2)
GENERAL DISORDERS AND ADMINISTRATION 
SITE CONDITIONS17(1.5) 3.7 (2.2, 6.0) 12(1.1) 2.7 (1.4, 4.6)
Chills 2(0.2) 0.4 (0.1, 1.6) 1(0.1) 0.2 (0.0, 1.2)
Fatigue 8(0.7) 1.7 (0.8, 3.4) 4(0.4) 0.9 (0.2, 2.3)
Injection site pain 8(0.7) 1.7 (0.8, 3.4) 8(0.7) 1.8 (0.8, 3.5)
Injection site swelling 2(0.2) 0.4 (0.1, 1.6) 0 0.0 (0.0, 0.8)
Nodule 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Oedema peripheral 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
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Page 54Table 13. Incidence Rates of at Least 1 Adverse Event From Dose 1 to Unblinding 
Date, by System Organ Class and Preferred Term –Blinded Placebo -
Controlled Follow -up Period – Phase 2/3 Subjects 12 Through 15 Years of 
Age –Safety Population
Vaccine Group (as Administered)
BNT162b2 (30 μg)
(Na=1131, TEb=4.6)Placebo
(Na=1129, TEb=4.5)
System  Organ Class
Preferred Termnc(%)IRd(95%  CIe) nc(%) IRd(95%  CIe)
Peripheral swelling 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Pyrexia 6(0.5) 1.3 (0.5, 2.9) 0 0.0 (0.0, 0.8)
Vessel puncture site pain 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
IMMUNE SYSTEM DISORDERS 1(0.1) 0.2 (0.0, 1.2) 1(0.1) 0.2 (0.0, 1.2)
Food allergy 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Seasonal allergy 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
INFECTIONS AND INFESTATIONS 10(0.9) 2.2 (1.0, 4.0) 9(0.8) 2.0 (0.9, 3.8)
Anal abscess 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Appendicitis 0 0.0 (0.0, 0.8) 2(0.2) 0.4 (0.1, 1.6)
Body tinea 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Candida infection 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Cellulitis 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Conjunctivitis 0 0.0 (0.0, 0.8) 2(0.2) 0.4 (0.1, 1.6)
Ear infection 3(0.3) 0.7 (0.1, 1.9) 0 0.0 (0.0, 0.8)
Focal peritonitis 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Infectious mononucleosis 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Otitis externa 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Otitis media 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Paronychia 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Pilonidal cyst 1(0.1) 0.2 (0.0, 1.2) 1(0.1) 0.2 (0.0, 1.2)
Subcutaneous abscess 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Tinea capitis 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Vulval abscess 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Vulvovaginal mycotic infection 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
INJURY, POISONING AND PROCEDURAL 
COMPLICATIONS15(1.3) 3.3 (1.8, 5.4) 25(2.2) 5.5 (3.6, 8.2)
Accident 1(0.1) 0.2 (0.0, 1.2) 1(0.1) 0.2 (0.0, 1.2)
Ankle fracture 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Bone contusion 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Clavicle fracture 1(0.1) 0.2 (0.0, 1.2) 1(0.1) 0.2 (0.0, 1.2)
Concussion 3(0.3) 0.7 (0.1, 1.9) 4(0.4) 0.9 (0.2, 2.3)
Contusion 2(0.2) 0.4 (0.1, 1.6) 2(0.2) 0.4 (0.1, 1.6)
Fall 2(0.2) 0.4 (0.1, 1.6) 5(0.4) 1.1 (0.4, 2.6)
Femur fracture 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Foot fracture 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Hand fracture 1(0.1) 0.2 (0.0, 1.2) 4(0.4) 0.9 (0.2, 2.3)
Humerus fracture 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
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Page 55Table 13. Incidence Rates of at Least 1 Adverse Event From Dose 1 to Unblinding 
Date, by System Organ Class and Preferred Term –Blinded Placebo -
Controlled Follow -up Period – Phase 2/3 Subjects 12 Through 15 Years of 
Age –Safety Population
Vaccine Group (as Administered)
BNT162b2 (30 μg)
(Na=1131, TEb=4.6)Placebo
(Na=1129, TEb=4.5)
System  Organ Class
Preferred Termnc(%)IRd(95%  CIe) nc(%) IRd(95%  CIe)
Ligament sprain 1(0.1) 0.2 (0.0, 1.2) 4(0.4) 0.9 (0.2, 2.3)
Lip injury 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Meniscus injury 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Muscle strain 1(0.1) 0.2 (0.0, 1.2) 1(0.1) 0.2 (0.0, 1.2)
Patella fracture 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Procedural pain 2(0.2) 0.4 (0.1, 1.6) 3(0.3) 0.7 (0.1, 1.9)
Radius fracture 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Skin laceration 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Tibia fracture 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Tooth fracture 0 0.0 (0.0, 0.8) 2(0.2) 0.4 (0.1, 1.6)
Upper limb fracture 1(0.1) 0.2 (0.0, 1.2) 1(0.1) 0.2 (0.0, 1.2)
INVESTIGATIONS 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
SARS -CoV -2 antibody test positive 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
MUSCULOSKELETAL AND CONNECTIVE 
TISSUE DISORDERS8(0.7) 1.7 (0.8, 3.4) 14(1.2) 3.1 (1.7, 5.2)
Arthralgia 2(0.2) 0.4 (0.1, 1.6) 4(0.4) 0.9 (0.2, 2.3)
Back pain 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Joint swelling 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Musculoskeletal chest pain 1(0.1) 0.2 (0.0, 1.2) 1(0.1) 0.2 (0.0, 1.2)
Myalgia 3(0.3) 0.7 (0.1, 1.9) 2(0.2) 0.4 (0.1, 1.6)
Neck pain 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Osteochondrosis 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Pain in extremity 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Tendonitis 0 0.0 (0.0, 0.8) 4(0.4) 0.9 (0.2, 2.3)
NEOPLASMS BENIGN, MALIGNANT AND 
UNSPECIFIED (INCL CYSTS AND POLYPS)1(0.1) 0.2 (0.0, 1.2) 3(0.3) 0.7 (0.1, 1.9)
Fibroadenoma of breast 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Hair follicle tumour benign 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Melanocytic naevus 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Skin papilloma 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
NERVOUS SYSTEM DISORDERS 13(1.1) 2.8 (1.5, 4.9) 13(1.2) 2.9 (1.5, 4.9)
Dizziness 2(0.2) 0.4 (0.1, 1.6) 1(0.1) 0.2 (0.0, 1.2)
Headache 5(0.4) 1.1 (0.4, 2.6) 7(0.6) 1.6 (0.6, 3.2)
Migraine 3(0.3) 0.7 (0.1, 1.9) 0 0.0 (0.0, 0.8)
Paraesthesia 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Presyncope 1(0.1) 0.2 (0.0, 1.2) 4(0.4) 0.9 (0.2, 2.3)
Syncope 1(0.1) 0.2 (0.0, 1.2) 1(0.1) 0.2 (0.0, 1.2)
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Page 56Table 13. Incidence Rates of at Least 1 Adverse Event From Dose 1 to Unblinding 
Date, by System Organ Class and Preferred Term –Blinded Placebo -
Controlled Follow -up Period – Phase 2/3 Subjects 12 Through 15 Years of 
Age –Safety Population
Vaccine Group (as Administered)
BNT162b2 (30 μg)
(Na=1131, TEb=4.6)Placebo
(Na=1129, TEb=4.5)
System  Organ Class
Preferred Termnc(%)IRd(95%  CIe) nc(%) IRd(95%  CIe)
PSYCHIATRIC DISORDERS 17(1.5) 3.7 (2.2, 6.0) 13(1.2) 2.9 (1.5, 4.9)
Anxiety 4(0.4) 0.9 (0.2, 2.2) 6(0.5) 1.3 (0.5, 2.9)
Attention deficit hyperactivity disorder 2(0.2) 0.4 (0.1, 1.6) 4(0.4) 0.9 (0.2, 2.3)
Conversion disorder 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Depression 6(0.5) 1.3 (0.5, 2.9) 3(0.3) 0.7 (0.1, 1.9)
Disorientation 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Generalised anxiety disorder 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Obsessive -compulsive disorder 0 0.0 (0.0, 0.8) 2(0.2) 0.4 (0.1, 1.6)
Panic attack 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Sleep terror 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Suicidal ideation 4(0.4) 0.9 (0.2, 2.2) 0 0.0 (0.0, 0.8)
Tic 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
RENAL AND URINARY DISORDERS 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Dysuria 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
REPRODUCTIVE SYSTEM AND BREAST 
DISORDERS1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
Amenorrhoea 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
RESPIRATORY, THORACIC AND MEDIASTINAL 
DISORDERS3(0.3) 0.7 (0.1, 1.9) 8(0.7) 1.8 (0.8, 3.5)
Epistaxis 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Nasal congestion 2(0.2) 0.4 (0.1, 1.6) 3(0.3) 0.7 (0.1, 1.9)
Rhinorrhoea 2(0.2) 0.4 (0.1, 1.6) 4(0.4) 0.9 (0.2, 2.3)
Sneezing 1(0.1) 0.2 (0.0, 1.2) 0 0.0 (0.0, 0.8)
SKIN AND SUBCUTANEOUS TISSUE 
DISORDERS9(0.8) 2.0 (0.9, 3.7) 16(1.4) 3.5 (2.0, 5.8)
Acne 2(0.2) 0.4 (0.1, 1.6) 3(0.3) 0.7 (0.1, 1.9)
Dermatitis contact 2(0.2) 0.4 (0.1, 1.6) 1(0.1) 0.2 (0.0, 1.2)
Eczema 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Pityriasis rosea 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Rash 3(0.3) 0.7 (0.1, 1.9) 5(0.4) 1.1 (0.4, 2.6)
Rash maculo -papular 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Seborrhoeic dermatitis 0 0.0 (0.0, 0.8) 1(0.1) 0.2 (0.0, 1.2)
Urticaria 2(0.2) 0.4 (0.1, 1.6) 5(0.4) 1.1 (0.4, 2.6)
SURGICAL AND MEDICAL PROCEDURES 1(0.1) 0.2 (0.0, 1.2) 1(0.1) 0.2 (0.0, 1.2)
Wisdom teeth removal 1(0.1) 0.2 (0.0, 1.2) 1(0.1) 0.2 (0.0, 1.2)
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Page 57Table 13. Incidence Rates of at Least 1 Adverse Event From Dose 1 to Unblinding 
Date, by System Organ Class and Preferred Term –Blinded Placebo -
Controlled Follow -up Period – Phase 2/3 Subjects 12 Through 15 Years of 
Age –Safety Population
Vaccine Group (as Administered)
BNT162b2 (30 μg)
(Na=1131, TEb=4.6)Placebo
(Na=1129, TEb=4.5)
System  Organ Class
Preferred Termnc(%)IRd(95%  CIe) nc(%) IRd(95%  CIe)
Note: MedDRA (v24.0) coding dictionary applied.
a. N = number of subjects in the specified group. This value is the denominator for the percentage calculations.
b. TE = total exposure time in 100 person -years across all subjects in the specified group. Exposure time fo r a subject is 
the time from Dose 1 to the end of the blinded follow -up period. This value is the denominator for the incidence rate 
calculation.
c. n = Number of subjects reporting at least 1 occurrence of the specified event. For "any event," n = num ber of subjects 
reporting at least 1 occurrence of any event.
d. Incidence rate (IR) is calculated as number of subjects reporting the event/total exposure time in 100 person -years 
(PY) across all subjects in the specified group.
e. 2-sided CI base d on Poisson distribution.
PFIZER CONFIDENTIAL SDTM Creation: 05OCT2021 (18:29) Source Data: adae Table Generation: 03NOV2021 
(10:21) 
(Data Cutoff Date: 02SEP2021, Database Snapshot Date: 27SEP2021) Output File: 
./nda2_unblinded/C4591001_S_Peds/adae_s131_ all_unb1_ped6 
Subgroup Analyses (Adverse Events by System Organ Class and Preferred Term 
[Blinded Placebo -Controlled Follow -Up Period From Dose 1 to the Unblinding Date ])
For the baseline SARS -CoV -2 positive and negative subgroups, AEs by  SOC and PT were 
similar to those in the overall safety population. Considering that the positive subgroup 
(N=46) had fewer participants than the negative subgroup (N=1083) in the BNT162b2 group, 
differences in SOCs were considered not clinically meaningful, and th ere is no evidence that 
individuals who are positive at baseline report AEs at a higher frequency  than those who are 
negative at baseline.
For the ethnicit y subgroups, AEs by SOC and PT were similar to those in the overall safet y 
population for Hispanic/La tino and non- Hispanic/non -Latino participants. Considering that 
the Hispanic/Latino subgroup (N=132) had fewer participants than non -Hispanic/non -Latino 
subgroup (N=99 7) in the BNT162b2 group, differences in AEs b y SOC and PT in these 
subgroups were not cl inically  meaningful. 
For race subgroups, AEs by  SOC and PT were similar to those in the overall safet y 
population. Considering that some race subgroups had fewer participants than others (within 
the BNT162b2 groups: White N=970, Black or African American N=52, and ‘All Others’ 
N=109), differences in AEs by  SOC and PT in these subgroups were not clinically  
meaningful. 
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Page 58For sex subgroups, AEs by  SOC and PT were similar to those in the overall safet y 
population. There was a slightly  higher frequency of any  event reported in the BNT162b2 
group in female participants compared to males (53 [9.4%], 42 [7.4%] respectivel y), and of 
any SAEs 7 (1.2%) females, 3 (0.5%) males. Within the placebo group there were 2 (0.3%) 
SAEs reported in male participants and none in the females. In the BNT162b2 group, 
lymphadenopathy  was reported in 8 (1.4%) male participants and in 1 (0.2%) female 
participant. AEs in the psy chiatric disorders SOC were reported in 12 (2.1%) female 
participants compared to 5 (0.9%) male participants. De pression was the most frequentl y 
reported event in both sexes (4 [0.7%] females and 2 [0.4%] males). Anxiety  was reported in 
4 (0.7%) females and no males. Suicidal ideation was the next most frequently  reported 
event: in females, 3 [0.5%], 1 (0.2%) in males. 
Related Adverse Events –Blinded Placebo -Controlled Follow -Up Period From Dose 1 to the 
Unblinding Date
From Dose 1 to the unblinding date, adolescent participants with AEs assessed as related by  
the investigator were similar in the BNT162b2 and placebo groups (36 [3.2%] and 24 [2.1%], 
respectivel y). Most related AEs were reactogenicity events and in the SOC of general 
disorders and administration site conditions, reported by 16 (1.4%) and 10 (0.9%) 
participants in the BNT162b2 and placebo groups, respectivel y. 
Related events of l ymphadenopathy  were reported in 7 (0.6%) adolescents in the BNT162b2 
group and 1 (0.1%) adolescent in the placebo group (refe r to other significant AEs in Section 
2.5.5.2.7 ).
Immediate Adverse Events – Blinded Placebo -Controlled Follow -Up Peri od From Dose 1 to 
the Unblinding Date
Adolescents with immediate AEs were low in frequency  (≤0.4%) after either dose of study  
intervention. All immediate AEs after Dose 1 were in the SOCs of general disorders and 
administration site conditions (injection site pain, injection site ery thema, and vessel 
puncture site pain) and nervous s ystem disorders (dizziness and headache). 
After Dose 2, most immediate AEs were in the SOC of general disorders and administration 
site conditions (injection site pain, injecti on site bruising, injection site hyperesthesia, 
fatigue, chills; 1-2 participants reporting each). Other immediate AEs after Dose 2 were 
reported in the SOC of nervous s ystem disorders (dizziness; 1 participant in the BNT162b2 
adolescent group) or skin and subcutaneous tissue disorders (rash maculo -papular; 
1 participant in the placebo adolescent group).
No allergic AEs were reported after either dose of BNT162b2 within 30 minutes after 
vaccination.
Severe or Life -Threatening Adverse Events –Blinded Placeb o-Controlled Follow -Up Period 
From Dose 1 to the Unblinding Date
From Dose 1 to the unblinding date, severe AEs were reported in 13 (1.1%) adolescent 
participants in the BNT162b2 group and 5 (0.4%) participants in the placebo group. 
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Page 59The following severe e vents in the psy chiatric orders SOC were previousl y reported in the 
adolescent interim CSR, dated 14 April 2021 :
One participant in the BNT162b2 group reported an SAE each of anxiety  and 
depression (discussed in Section 2.5.5.2.5.1 )
One participant in the BNT162b2 group reported 2 SAEs of depression (first SAE 
discussed in Section 2.5.5.2.5.1 ). The second SAE was a new case not previously  
reported and occurred after the EUA snapshot (discussed in Section 2.5.5.2.5.1.1 ).
One participant in the BNT162b2 group reported an SAE of suicidal ideation 
(discussed in Section 2.5.5.2.5.1 ).
Certain severe events discussed below are new cases which have not been previously  
reported :
One participant in the placebo group reported a severe AE of urticaria (discussed in 
Section 2.5.5.2.3.1.3 )
One participant in the BNT162b2 group reported a severe SAE of anal abscess 
(discussed in Section 2.5.5.2.5.1.1 ).
One participant in the BNT162b2 group reported an SAE of suicidal ideation 
(discussed in Section 2.5.5.2.5.1.1 ).
There were 3 participants (2 in the BNT162b2 and 1 in the placebo group) who reported at 
least 1 life-threatening (or Grade 4) AE from Dose 1 to the unblinding date.
The following life -threatening events were previously  reported in the adolescent interim 
CSR, dated 14 April 2021:
One participant in the placebo group reported an SAE each of focal peritonitis and 
appendicitis ( discussed in Section 2.5.5.2.5.1 ). 
One participant in the BNT162b2 group reported a Grade 4 AE of p yrexia (40.4°C) 
on Day  2 after Dose 1, with temperature returning to normal on Day  4. The AE was 
assessed b y the investigator as related to stud y intervention, resolved, and the 
participant withdrew from the study .
The life -threatening event below is a new case and has not been previously  reported:
One participant in the BNT162b2 group reported a life -threatening (Grade 4) SAE of 
suicidal ideation, which was a new event after the EUA snapshot (discussed in 
discussed in Section 2.5.5.2.5.1.1 )
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Page 602.5.5.2.3.1.3. New Adverse Events Since EUA Snapshot (Blinded Placebo -Controlled 
Follow -Up Period From Dose 1 to the Unblinding Date)
Summary of New Adverse Events Since EUA Snapshot (Blinded Placebo -Contro lled 
Follow -Up Period From Dose 1 to the Unblinding Date)
The frequency  of adolescent participants in the BNT162b2 group with an y new AE after the 
EUA snapshot from Dose 1 to the unblinding date was 2. 6%, which was less than the 
frequency  in the placebo group (4.2%) (Table 14). There were 6 (0.5%) participants in the 
BNT162b2 group with SAEs, and all events were assess ed by the investigator as not related 
to study  intervention. No SAEs were reported in the placebo group. There were no 
withdrawals because of any  AEs or deaths.
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Page 61Table 14.Number (%) of Subjects Reporting at Least 1 New Adverse Event After the 
EUA Snap shot, From Dose 1 to Unblinding Date – Blinded Placebo -
Controlled Follow -up Period – Phase 2/3 Subjects 12 Through 15 Years of 
Age –Safety Population
Vaccine Group (as Administered)
BNT162b2 (30 μg)
(Na=1130)Placebo
(Na=1126)
Adverse Event nb(%) (95% CIc) nb(%) (95% CIc)
Any event 29(2.6) (1.7, 3.7) 47(4.2) (3.1, 5.5)
Relatedd3(0.3) (0.1, 0.8) 3(0.3) (0.1, 0.8)
Severe 5(0.4) (0.1, 1.0) 2(0.2) (0.0, 0.6)
Life-threatening 1(0.1) (0.0, 0.5) 0 (0.0, 0.3)
Any serious adverse event 6(0.5) (0.2, 1.2) 0 (0.0, 0.3)
Relatedd0 (0.0, 0.3) 0 (0.0, 0.3)
Severe 4(0.4) (0.1, 0.9) 0 (0.0, 0.3)
Life-threatening 1(0.1) (0.0, 0.5) 0 (0.0, 0.3)
Any nonserious adverse event 24(2.1) (1.4, 3.1) 47(4.2) (3.1, 5.5)
Relatedd3(0.3) (0.1, 0.8) 3(0.3) (0.1, 0.8)
Severe 1(0.1) (0.0, 0.5) 2(0.2) (0.0, 0.6)
Life-threatening 0 (0.0, 0.3) 0 (0.0, 0.3)
Any adverse event leading to withdrawal 0 (0.0, 0.3) 0 (0.0, 0.3)
Relatedd0 (0.0, 0.3) 0 (0.0, 0.3)
Severe 0 (0.0, 0.3) 0 (0.0, 0.3)
Life-threatening 0 (0.0, 0.3) 0 (0.0, 0.3)
Death 0 (0.0, 0.3) 0 (0.0, 0.3)
Abbreviation: EUA = emergency use authorization. 
a. N = number of subjects in the specified group, subjects who withdrew from the study before EUA snapshot 
25Mar2021 with the cutoff date 13Mar2021 are not included. This value is the denominator for the percentage 
calculations. 
b. n = Number of s ubjects reporting at least 1 occurrence of the specified event category. For "any event," n = number of 
subjects reporting at least 1 occurrence of any event. 
c. Exact 2 -sided CI based on the Clopper and Pearson method. 
d. Assessed by the investi gator as related to investigational product. 
PFIZER CONFIDENTIAL SDTM Creation: 05OCT2021 (17:29) Source Data: adae Table Generation: 11NOV2021 
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(Data Cutoff Date: 02SEP2021, Database Snapshot Date: 27SEP2021) Output File: 
./nda2_unblinded/C459100 1_S_Peds/adae_s091_all_unb2_ped6 
New Adverse Events Since EUA Snapshot by System Organ Class and Preferred Term
(Blinded Placebo -Controlled Follow -Up Period From Dose 1 to the Unblinding Date)
New AEs after the EUA snapshot from Dose 1 to the unblinding date during the blinded 
placebo- controlled follow -up period are presented in Table 15. 
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Page 62The most frequentl y reported AEs in adolescents were in the ps ychiatri c disorders SOC 
(11[1.0%] and 9 [0.8%] adolescent participants in the BNT162b2 and placebo groups, 
respectivel y). These cases are discussed alongside cumulative cases during this period in 
Section 2.5.5.2.3.1.2 (Adverse Events b y System Organ Class) .
One participant in the BNT162b2 group reported a panic attack. This participant had a past 
medical history  of attention deficit hy peractivity  disorder since 2016. They  had ongoing 
panic attacks starting 60 day s post Dose 2 which was considered not related and attributed to 
social/environmental events. The event was nonserious, and the participant has continued in 
the study .
Table 15.Number (%) of Subjects Reporting at Least 1 New Adverse Event After the 
EUA Snapshot, From Dose 1 to Unblinding Date, by System Organ Class 
and Preferred Term –Blinded Placebo -Controlled Follow -up Period –
Phase 2/3 Subjects 12 Through 15 Ye ars of Age – Safety Population
Vaccine Group (as Administered)
BNT162b2 (30 μg)
(Na=1130)Placebo
(Na=1126)
System  Organ Class
Preferred Termnb(%) (95% CIc) nb(%) (95% CIc)
Any event 29(2.6) (1.7, 3.7) 47(4.2) (3.1, 5.5)
CONGENITAL, FAMILIAL AND GENETIC DISORDERS 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Spine malformation 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
EAR AND LABYRINTH DISORDERS 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Conductive deafness 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
EYE DISORDERS 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Eye pain 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
GASTROINTESTINAL DISORDERS 1 (0.1) (0.0, 0.5) 5 (0.4) (0.1, 1.0)
Nausea 0 (0.0, 0.3) 2 (0.2) (0.0, 0.6)
Abdominal pain 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Constipation 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Mouth ulceration 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Tooth impacted 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Vomiting 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
GENERAL DISORDERS AND ADMINISTRATION SITE 
CONDITIONS1 (0.1) (0.0, 0.5) 1 (0.1) (0.0, 0.5)
Injection site pain 1 (0.1) (0.0, 0.5) 1 (0.1) (0.0, 0.5)
Chills 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Fatigue 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Injection site swelling 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Pyrexia 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
IMMUNE SYSTEM DISORDERS 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Seasonal allergy 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
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Page 63Table 15.Number (%) of Subjects Reporting at Least 1 New Adverse Event After the 
EUA Snapshot, From Dose 1 to Unblinding Date, by System Organ Class 
and Preferred Term –Blinded Placebo -Controlled Follow -up Period –
Phase 2/3 Subjects 12 Through 15 Ye ars of Age – Safety Population
Vaccine Group (as Administered)
BNT162b2 (30 μg)
(Na=1130)Placebo
(Na=1126)
System  Organ Class
Preferred Termnb(%) (95% CIc) nb(%) (95% CIc)
INFECTIONS AND INFESTATIONS 3 (0.3) (0.1, 0.8) 1 (0.1) (0.0, 0.5)
Anal abscess 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Cellulitis 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Paronychia 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Pilonidal cyst 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
INJURY, POISONING AND PROCEDURAL COMPLICATIONS 6 (0.5) (0.2, 1.2) 13 (1.2) (0.6, 2.0)
Fall 1 (0.1) (0.0, 0.5) 4 (0.4) (0.1, 0.9)
Hand fracture 0 (0.0, 0.3) 4 (0.4) (0.1, 0.9)
Procedural pain 2 (0.2) (0.0, 0.6) 1 (0.1) (0.0, 0.5)
Concussion 0 (0.0, 0.3) 2 (0.2) (0.0, 0.6)
Ligament sprain 0 (0.0, 0.3) 2 (0.2) (0.0, 0.6)
Upper limb fracture 1 (0.1) (0.0, 0.5) 1 (0.1) (0.0, 0.5)
Ankle fracture 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Bone contusion 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Contusion 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Femur fracture 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Meniscus injury 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Skin laceration 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Tibia fracture 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
INVESTIGATIONS 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
SARS -CoV -2 antibody test positive 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
MUSCULOSKELETAL AND CONNECTIVE TISSUE 
DISORDERS1 (0.1) (0.0, 0.5) 6 (0.5) (0.2, 1.2)
Tendonitis 0 (0.0, 0.3) 4 (0.4) (0.1, 0.9)
Arthralgia 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Back pain 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Musculoskeletal chest pain 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
NEOPLASMS BENIGN, MALIGNANT AND UNSPECIFIED 
(INCL CYSTS AND POLYPS)0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Melanocytic naevus 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
NERVOUS SYSTEM DISORDERS 1 (0.1) (0.0, 0.5) 6 (0.5) (0.2, 1.2)
Headache 0 (0.0, 0.3) 3 (0.3) (0.1, 0.8)
Presyncope 0 (0.0, 0.3) 2 (0.2) (0.0, 0.6)
Migraine 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Syncope 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
PSYCHIATRIC DISORDERS 11 (1.0) (0.5, 1.7) 9 (0.8) (0.4, 1.5)
Anxiety 3 (0.3) (0.1, 0.8) 4 (0.4) (0.1, 0.9)
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Page 64Table 15.Number (%) of Subjects Reporting at Least 1 New Adverse Event After the 
EUA Snapshot, From Dose 1 to Unblinding Date, by System Organ Class 
and Preferred Term –Blinded Placebo -Controlled Follow -up Period –
Phase 2/3 Subjects 12 Through 15 Ye ars of Age – Safety Population
Vaccine Group (as Administered)
BNT162b2 (30 μg)
(Na=1130)Placebo
(Na=1126)
System  Organ Class
Preferred Termnb(%) (95% CIc) nb(%) (95% CIc)
Depression 4 (0.4) (0.1, 0.9) 2 (0.2) (0.0, 0.6)
Attention deficit hyperactivity disorder 2 (0.2) (0.0, 0.6) 3 (0.3) (0.1, 0.8)
Suicidal ideation 3 (0.3) (0.1, 0.8) 0 (0.0, 0.3)
Obsessive -compulsive disorder 0 (0.0, 0.3) 2 (0.2) (0.0, 0.6)
Panic attack 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
RENAL AND URINARY DISORDERS 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Dysuria 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
REPRODUCTIVE SYSTEM AND BREAST DISORDERS 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Amenorrhoea 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
RESPIRATORY, THORACIC AND MEDIASTINAL 
DISORDERS1 (0.1) (0.0, 0.5) 4 (0.4) (0.1, 0.9)
Nasal congestion 1 (0.1) (0.0, 0.5) 3 (0.3) (0.1, 0.8)
Epistaxis 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Rhinorrhoea 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Sneezing 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
SKIN AND SUBCUTANEOUS TISSUE DISORDERS 2 (0.2) (0.0, 0.6) 3 (0.3) (0.1, 0.8)
Acne 1 (0.1) (0.0, 0.5) 1 (0.1) (0.0, 0.5)
Dermatitis contact 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Eczema 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Rash 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Seborrhoeic dermatitis 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Urticaria 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
SURGICAL AND MEDICAL PROCEDURES 1 (0.1) (0.0, 0.5) 1 (0.1) (0.0, 0.5)
Wisdom teeth removal 1 (0.1) (0.0, 0.5) 1 (0.1) (0.0, 0.5)
Abbreviation: EUA = emergency use authorization. 
Note: MedDRA (v24.0) coding dictionary applied. 
Note: Adverse events that occurred on the day of or after subjects were unblinded are excluded from this summary. 
a. N = number of subjects in the specified group, subjects who withdrew from the study before EUA snapshot 
25Mar2021 with the cutoff date 13Mar2021 are not included. This value is the denominator for the percentage 
calculations. 
b. n = Number of subjects reporting at least 1 occurrence of the specified event. For "any event," n = number of subjects 
reporting at least 1 occurrence of an y event. 
c. Exact 2 -sided CI based on the Clopper and Pearson method. 
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Page 65New Related Adverse Events Since EUA Snapshot (Blinded Placebo -Controlled Follow -
Up Period From Dose 1 to the Unblinding Date)
There were few adolescent participants with new related AEs that occurred after the EUA 
snapshot in both the BNT162b2 and placebo groups (3 [0.3%] participants each), and each 
PT was reported b y 1participant each in either group. 
One participant in the B NT162b2 group reported an AE of musculoskeletal chest pain 
(verbatim term reported was bilateral rib pain), on Day 3 after Dose 2. The AE was moderate 
in severity  and resolved the same day . There is no evidence that the investigator had 
evaluated the parti cipant for cardiac disease.
New Severe or Life -Threatening Adverse Events Since EUA Snapshot (Blinded 
Placebo- Controlled Follow -Up Period From Dose 1 to the Unblinding Date)
New severe AEs after the EUA snapshot were reported in 5 (0.4%) adolescent partici pants in 
the BNT162b2 group and 2 (0.2%) participants in the placebo group (Table 16).
Certain sever e events are discussed below:
One participant in the placebo group reported a severe AE of urticaria on Day  55 after 
Dose 2 with a duration of 8 day s, and the AE was assessed by the investigator as not 
related to stud y intervention. The participant had a past medical history of penicillin 
allergy  since 2008. The event was nonserious, resolved, and the participant continued 
in the study , receiving a first dose of BNT162b2 with no further urticaria reported.
One participant in the BNT162b2 group reported a second severe SAE of depression 
(previousl y had a severe SAE and reported in the adolesecent interim CSR, dated 
14April 2021 and discussed in Section 2.5.5.2.5.1 ; second SAE discussed in
Section 2.5.5.2.5.1.1 ). 
One participant in the BNT162b2 group reported a severe SAE of suicidal ideation 
(discussed in Section 2.5.5.2.5.1.1 ).
One participant in the BNT162b2 group reported a severe SAE of anal abscess 
(discussed in Section 2.5.5.2.5.1.1 ).
From Dose 1 to the unblindin g date, there was 1 participant in the BNT162b2 group who 
reported a life-threatening (or Grade 4) SAE of suicidal ideation (discussed in 
Section 2.5.5.2.5.1.1 ).
All new severe and life -threatening events reported after the EUA snapshot from Dose 1 to 
the unblinding date were assessed b y the investigator as not related to stud y intervention. 
Most were resolved as of the data cutoff date (02 September 2021). For additional safety  data 
after the EUA snapshot during blinded placebo -controlled and open -label follow -up periods 
for original BNT162b2 recipients 12through 15 years of age, refer to Section 2.5.5.2.3.3.3 .
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Page 66Table 16.Number (%) of Subjects Reporting at Least 1 New Severe Adverse Event 
After the EUA Snapshot, From Dose 1 to Unblinding Date, by System 
Organ Class and Preferred Term –Blinded Placebo- Controlled Follow -up 
Period – Phase 2/3 Subjects 12 Through 15 Years of Age –Safety 
Population
Vaccine Group (as Administered)
BNT162b2 (30 μg)
(Na=1130)Placebo
(Na=1126)
System  Organ Class
Preferred Termnb(%) (95% CIc) nb(%) (95% CIc)
Any event 5(0.4) (0.1, 1.0) 2(0.2) (0.0, 0.6)
INFECTIONS AND INFESTATIONS 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Anal abscess 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
INJURY, POISONING AND PROCEDURAL 
COMPLICATIONS2 (0.2) (0.0, 0.6) 1 (0.1) (0.0, 0.5)
Femur fracture 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Procedural pain 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Upper limb fracture 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
PSYCHIATRIC DISORDERS 2 (0.2) (0.0, 0.6) 0 (0.0, 0.3)
Depression 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Suicidal ideation 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
SKIN AND SUBCUTANEOUS TISSUE DISORDERS 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Urticaria 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Abbreviation: EUA = emergency use authorization. 
Note: MedDRA (v24.0) coding dictionary applied. 
Note: Adverse events that occurred on the day of or after subjects were unblinded are excluded from this summary. 
a. N = number of subjects in the specified group, subjects who withdrew from the study before EUA snapshot 
25Mar2021 with the cutoff date 13Mar2021 are not included. This value is the denominator for the percentage 
calculations. 
b. n = Number of subjects reporting at least 1 occurrence of the specified event. For "any event," n = number of subjects 
reporting at least 1 occurrence of an y event. 
c. Exact 2 -sided CI based on the Clopper and Pearson method. 
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2.5.5.2.3.2. Open -Label Follow -Up Period From the Unblinding Date to the Data Cutoff 
Date –Original BNT162b2 Recipients (Adverse Events)
2.5.5.2.3.2.1. Summary of Adverse Events (Open -Label Follow -Up Period From the 
Unblinding Date to the Data Cutoff Date –Original BNT162b2 Recipients )
An overview of AEs from the unblinding date to the data cutoff date for adolescent 
participants who originally  received BNT162b2 during the open -label follow -up period is 
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Page 67presented in Table 17(Note: Per prot ocol, AEs are reported through approximately  1 month 
after Dose 2 and within 48 hours after a blood draw. S AEs are reported to approximately  
6months after the last dose of study  intervention.)
There were 18 (1.6%) participants who experienced an y AE, including 0.4%, 0.3%, and 0% 
who experienced related, severe, and life -threatening events, respectivel y (Table 17). This is 
marke dly reduced relative to AEs from Dose 1 to the unblinding date (8.4% of BNT162b2 
participants experienced any  AE, including 3.2%, 1.1%, and 0.2% who ex perienced related, 
severe, and life -threatening events, respectivel y [Table 12]. The frequenci es of SAEs and 
AEs leading to withdrawal during the open -label follow -up period (0.4% and 0%, 
respectivel y [Table 17]) were similar to those from Dose 1 to the unblinding date (0.9% and 
0.1%, respectively  [Table 12]). There were no adolescent deaths in the study .
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Page 68Table 17.Incidence Rates of at Least 1 Adverse Event From Unblinding Date to Data 
Cutoff Date (02SEP2021) – Open -Label Follow -up Period – Subj ects Who 
Originally Received BNT162b2 –Phase 2/3 Subjects 12 Through 15 Years 
of Age – Safety Population
Vaccine Group (as Administered)
BNT162b2 (30 μg)
(Na=1107, TEb=3.3)
Adverse Event nc(%) IRd(95%  CIe)
Any event 18(1.6) 5.4 (3.2, 8.5)
Relatedf4(0.4) 1.2 (0.3, 3.1)
Severe 3(0.3) 0.9 (0.2, 2.6)
Life-threatening 0 0.0 (0.0, 1.1)
Any serious adverse event 4(0.4) 1.2 (0.3, 3.1)
Relatedf0 0.0 (0.0, 1.1)
Severe 1(0.1) 0.3 (0.0, 1.7)
Life-threatening 0 0.0 (0.0, 1.1)
Any nonserious adverse event 14(1.3) 4.2 (2.3, 7.0)
Relatedf4(0.4) 1.2 (0.3, 3.1)
Severe 2(0.2) 0.6 (0.1, 2.2)
Life-threatening 0 0.0 (0.0, 1.1)
Any adverse event leading to withdrawal 0 0.0 (0.0, 1.1)
Relatedf0 0.0 (0.0, 1.1)
Severe 0 0.0 (0.0, 1.1)
Life-threatening 0 0.0 (0.0, 1.1)
Death 0 0.0 (0.0, 1.1)
a. N = number of subjects in the specified group. This value is the denominator for the percentage calculations. 
b. TE = total exposure time in 100 person -years across all subjects in the specified group. Exposure time for a subject is 
the time from the unblinding date to data cutoff date. This value is the denominator for the incidence rate calculation. 
c. n = Number of subjects reporting at least 1 occurrence of the specified event category. For "any event," n = number of 
subjects reporting at least 1 occurrence of any event. 
d. Incidence rate (IR) is calculated as number of subjects reporting the even t/total exposure time in 100 person -years 
(PY) across all subjects in the specified group. 
e. 2-sided CI based on Poisson distribution. 
f.Assessed by the investigator as related to investigational product. 
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2.5.5.2.3.2.2. Analysis of Adverse Events (Open -Label Follow -Up Period From the 
Unblinding Date to the Data Cutoff Date –Original BNT162b2 Recipients )
Adverse Events by System Organ Class and Preferred Term (Open -Label Follow -Up 
Period From the Unblinding Date to the Data Cutoff Date – Original BNT162b2 
Recipients )
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Page 69From the unblinding date to the data cutoff date (open- label follow -up period), for adolescent 
participants who originally  received BNT162b2, the n umber of participants who reported at 
least 1 AE was 18 (1.6%) (Table 17) compared to 95 (8.4%) from Dose 1 to the unblinding 
date ( Table 12). 
Overall, the rates in all SOCs after the unblinding date were lower or remained similar to 
those in the blinded placebo- controlled period. 
The frequency  for the SOC of nervous s ystem disorders was 6 (0.5%), including the PTs 
dizziness (2), headache (2), pres yncope (2), and syncope (1). The frequency for the SOC of 
general disorders and administration site conditions was 4 (0.4%), with injection site pain (3) 
as the most frequentl y reported PT.
Related Adverse Events –Open -Label Follow -Up Period From the Unblinding Date to the 
Data Cutoff Date –Original BNT162b2 Participants
From the unblinding date to the data cutoff date (open- label follow -up period), for adolescent 
participants who original ly received BNT162b2, the number of participants with AEs 
assessed as related b y the investigator was 4 (0.4%). The frequencies of related AEs were 
highest for reactogenicit y events and in the SOCs of general disorders and administration site 
conditions (i njection site pain, fatigue, p yrexia, and pain) and nervous sy stem disorders 
(headache and dizziness).
Severe o rLife-Threatening Adverse Events –Open -Label Follow -Up Period From the 
Unblinding Date to the Data Cutoff Date –Original BNT162b2 Participants
From the unblinding date to the data cutoff date (open- label follow -up period), 3 (0.3%) 
BNT162b2 participants experienced severe AEs. Two (2) participants experienced p yrexia 
(general disorders and administration site conditions), a term consistent with reactogenicity .
There were no life -threatening AEs reported from the unblinding date to the data cutoff date 
of 02 September 2021 (Table 17).
2.5.5.2.3.3. Blinded Place bo-Controlled and Open- Label Follow -Up Periods From Dose 
1 to 6 Months After Dose 2 – Original BNT162b2 Recipients (Adverse Events)
2.5.5.2.3.3.1. Summary of Adverse Events (Blinded Placebo -Controlled and Open -Label 
Follow -Up Periods From Dose 1 to 6 Months After Dose 2 –Original BNT162b2 
Recipients )
There were 1113 adolescent participants who originally  received BNT162b2 and had at least 
6 months of follow -up time after Dose 2 including the blinded placebo- controlled and open -
label follow -up periods ( Table 18). There were 98 (8.8%) participants who reported at least 1 
AE, and 34 (3.1%) participants reported at least 1 related AE. Severe AEs and SAEs were 
reported b y 13 (1.2%) and 10 (0.9%) particip ants, respectivel y. There were no AEs leading to 
withdrawal, and there were no deaths. 
The frequencies of an y AEs and related AEs are 70 (6.3%) and 34 (3.1%) through 1 month 
after Dose 2 compared with 35 (3.1%) and no related AEs from 1 month after Dose 2to 
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Page 706months after Dose 2, respectively (Table 19). From Dose 1 t o 1 month after Dose 2, 3 
(0.3%) adolescent participants reported SAEs. From 1 month to 6 months after Dose 2, 9 
(0.8%) participants reported SAEs . Allof the SAEs were assessed b y the investigator as not 
related to stud y intervention. There were no AEs leading to withdrawal, and there were no 
deaths.
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Page 71Table 18. Number (%) of Subjects Reporting at Least 1 Ad verse Event From Dose 1 
to 6 Months After Dose 2 – Subjects With at Least 6 Months of Follow- up 
Time After Dose 2 –Phase 2/3 Subjects 12 Through 15 Years of Age 
(Subjects Who Originally Received BNT162b2) – Safety Population
Vaccine Group (as Adm inistered)
BNT162b2 (30 μg)
(Na=1113)
Adverse Event nb(%) (95%  CIc)
Any event 98(8.8) (7.2, 10.6)
Relatedd34(3.1) (2.1, 4.2)
Severe 13(1.2) (0.6, 2.0)
Life-threatening 0 (0.0, 0.3)
Any serious adverse event 10(0.9) (0.4, 1.6)
Relatedd0 (0.0, 0.3)
Severe 7(0.6) (0.3, 1.3)
Life-threatening 0 (0.0, 0.3)
Any nonserious adverse event 91(8.2) (6.6, 9.9)
Relatedd34(3.1) (2.1, 4.2)
Severe 6(0.5) (0.2, 1.2)
Life-threatening 0 (0.0, 0.3)
Any adverse event leading to withdrawal 0 (0.0, 0.3)
Relatedd0 (0.0, 0.3)
Severe 0 (0.0, 0.3)
Life-threatening 0 (0.0, 0.3)
Death 0 (0.0, 0.3)
a. N = number of subjects in the specified group. This value is the denominator for the percentage calculations. 
b. n = Number of subjects reporting at least 1 occurrence of the specified event category. For "any event," n = number of 
subjects reporting at least 1 occurrence of any event. 
c. Exact 2 -sided CI based on the Clopper and Pearson method. 
d. Assessed by the investigator as related to investigational product. 
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Page 72Table 19. Number (%) of Subjects Reporting at Least 1 Adverse Event From Dose 1 
to 6 Months After Dose 2, by Time Period – Subjects With at Least 6 
Months of Follow -up Time After Dose 2 – Phase 2/3 Subjects 12 Through 
15 Years of Age (Subjects Who Originally Received BNT162b2) –Safety 
Population
Vaccine Group (as Administered)
BNT162b2 (30 μg)
(Na=1113)
Dose 1 to 1 Month After Dose 
21 Month After Dose 2 to 6 Months After 
Dose 2
Adverse Event nb(%) nb(%)
Any event 70(6.3) 35(3.1)
Relatedc34(3.1) 0
Severe 6(0.5) 8(0.7)
Life-threatening 0 0
Any serious adverse event 3(0.3) 9(0.8)
Relatedc0 0
Severe 1(0.1) 7(0.6)
Life-threatening 0 0
Any nonserious adverse event 68(6.1) 28(2.5)
Relatedc34(3.1) 0
Severe 5(0.4) 1(0.1)
Life-threatening 0 0
Any adverse event leading to withdrawal 0 0
Relatedc0 0
Severe 0 0
Life-threatening 0 0
Death 0 0
a. N = number of subjects in the specified group. This value is the denominator for the percentage calculations. 
b. n = Number of subjects reporting at least 1 occurrence of the specified event category. For "any event," n = number of 
subjects rep orting at least 1 occurrence of any event. 
c. Assessed by the investigator as related to investigational product. 
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Page 732.5.5.2.3.3.2. Analysis of Adverse Events (Blinded Placebo -Controlled and Open -Label 
Follow -Up Periods From Dose 1 to 6 Months After Dose 2 –Original BNT162b2 
Recipients )
Adverse Events by System Organ Class and Preferred Term (Blinded Placebo -
Controlled and Open -Label Follow -Up Periods From Dose 1 to 6 Months After Dose 2 –
Original BNT162b2 Recipients)
There were 98 (8.8%) adolescent participants who originall y received BNT162b2, had at 
least 6 months of follow- up time after Dose 2, and reported AEs from Dose 1 to 6 months 
after Dose 2 ( Table 20). Frequently  reporte d AEs included reactogenicit y events in the 
following SOCs:
general disorders and administration site conditions (16 [1.4%])
musculoskeletal and connective tissue disorders (8 [0.7%])
nervous s ystem disorders (16 [1.4%])
gastrointestinal disorders (16 [1.4 %])
AEs were reported b y 15 (1.3%) participants in the injury, poisoning, and procedural 
complications SOC; 10 (0.9%) participants in the infections and infestations SOC, and 
16(1.4%) participants in the psy chiatric disorders SOC. 
When AEs are compared f rom Dose 1 to 1 month after Dose 2 and from 1 month after Dose 
2 to 6 months after Dose 2, the frequencies of AEs by  most SOCs were lower or were similar 
with the additional follow -up time. The overall frequency  of any  AE for participants from 
1 month afte r Dose 2 to 6 months after Dose 2 (35 [3.1%]) was less compared with the 
frequency  during 1 month follow up time after Dose 2 (70 [6.3%]) ( Table 21). Overall, AEs 
repor ted after 1 month post Dose -2 reflect age -appropriate events consistent with the general 
population. 
All ly mphadenopathy  events were reported from Dose 1 to 1 month after Dose 2, and none 
were reported from 1 month to 6 months after Dose 2 ( Table 21). 
AEs in the p yschiatric disorders SOC were reported in 7 (0.6%) participants from Dose 1 to 
1 month after Dose 2 and in 11 (1.0%) participants from 1 month to 6 months after Dose 2.
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Page 74Table 20. Number (%) of Subjects Reporting at Least 1 Adverse Event From Dose 1 
to 6 Months After Dose 2, by System Organ Class and Preferred Term –
Subjects With at Least 6 Months of Follow -up Time After Dose 2 –Phase 
2/3 Subjects 12 Thr ough 15 Years of Age (Subjects Who Originally 
Received BNT162b2) –Safety Population
Vaccine Group (as 
Administered)
BNT162b2 (30 μg)
(Na=1113)
System  Organ Class
Preferred Termnb(%) (95% CIc)
Any event 98(8.8) (7.2, 10.6)
BLOOD AND LYMPHATIC SYSTEM DISORDERS 9 (0.8) (0.4, 1.5)
Lymphadenopathy 9 (0.8) (0.4, 1.5)
CONGENITAL, FAMILIAL AND GENETIC DISORDERS 1 (0.1) (0.0, 0.5)
Syringomyelia 1 (0.1) (0.0, 0.5)
EAR AND LABYRINTH DISORDERS 1 (0.1) (0.0, 0.5)
Ear pain 1 (0.1) (0.0, 0.5)
EYE DISORDERS 1 (0.1) (0.0, 0.5)
Eye pain 1 (0.1) (0.0, 0.5)
GASTROINTESTINAL DISORDERS 16 (1.4) (0.8, 2.3)
Nausea 6 (0.5) (0.2, 1.2)
Diarrhoea 3 (0.3) (0.1, 0.8)
Abdominal pain 2 (0.2) (0.0, 0.6)
Aphthous ulcer 2 (0.2) (0.0, 0.6)
Abdominal pain upper 1 (0.1) (0.0, 0.5)
Constipation 1 (0.1) (0.0, 0.5)
Gastritis 1 (0.1) (0.0, 0.5)
Lip swelling 1 (0.1) (0.0, 0.5)
Mouth swelling 1 (0.1) (0.0, 0.5)
Oral mucosal blistering 1 (0.1) (0.0, 0.5)
Rectal prolapse 1 (0.1) (0.0, 0.5)
Vomiting 1 (0.1) (0.0, 0.5)
GENERAL DISORDERS AND ADMINISTRATION SITE CONDITIONS 16 (1.4) (0.8, 2.3)
Fatigue 8 (0.7) (0.3, 1.4)
Injection site pain 8 (0.7) (0.3, 1.4)
Pyrexia 5 (0.4) (0.1, 1.0)
Chills 2 (0.2) (0.0, 0.6)
Injection site swelling 2 (0.2) (0.0, 0.6)
Nodule 1 (0.1) (0.0, 0.5)
Peripheral swelling 1 (0.1) (0.0, 0.5)
IMMUNE SYSTEM DISORDERS 1 (0.1) (0.0, 0.5)
Seasonal allergy 1 (0.1) (0.0, 0.5)
INFECTIONS AND INFESTATIONS 10 (0.9) (0.4, 1.6)
Ear infection 2 (0.2) (0.0, 0.6)
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Page 75Table 20. Number (%) of Subjects Reporting at Least 1 Adverse Event From Dose 1 
to 6 Months After Dose 2, by System Organ Class and Preferred Term –
Subjects With at Least 6 Months of Follow -up Time After Dose 2 –Phase 
2/3 Subjects 12 Thr ough 15 Years of Age (Subjects Who Originally 
Received BNT162b2) –Safety Population
Vaccine Group (as 
Administered)
BNT162b2 (30 μg)
(Na=1113)
System  Organ Class
Preferred Termnb(%) (95% CIc)
Anal abscess 1 (0.1) (0.0, 0.5)
Appendicitis 1 (0.1) (0.0, 0.5)
Body tinea 1 (0.1) (0.0, 0.5)
Otitis externa 1 (0.1) (0.0, 0.5)
Otitis media 1 (0.1) (0.0, 0.5)
Paronychia 1 (0.1) (0.0, 0.5)
Pilonidal cyst 1 (0.1) (0.0, 0.5)
Tinea capitis 1 (0.1) (0.0, 0.5)
Vulval abscess 1 (0.1) (0.0, 0.5)
Vulvovaginal mycotic infection 1 (0.1) (0.0, 0.5)
INJURY, POISONING AND PROCEDURAL COMPLICATIONS 15 (1.3) (0.8, 2.2)
Concussion 3 (0.3) (0.1, 0.8)
Hand fracture 2 (0.2) (0.0, 0.6)
Procedural pain 2 (0.2) (0.0, 0.6)
Accident 1 (0.1) (0.0, 0.5)
Bone contusion 1 (0.1) (0.0, 0.5)
Clavicle fracture 1 (0.1) (0.0, 0.5)
Contusion 1 (0.1) (0.0, 0.5)
Fall 1 (0.1) (0.0, 0.5)
Femur fracture 1 (0.1) (0.0, 0.5)
Ligament sprain 1 (0.1) (0.0, 0.5)
Meniscus injury 1 (0.1) (0.0, 0.5)
Muscle strain 1 (0.1) (0.0, 0.5)
Radius fracture 1 (0.1) (0.0, 0.5)
Upper limb fracture 1 (0.1) (0.0, 0.5)
INVESTIGATIONS 1 (0.1) (0.0, 0.5)
SARS -CoV -2 antibody test positive 1 (0.1) (0.0, 0.5)
MUSCULOSKELETAL AND CONNECTIVE TISSUE DISORDERS 8 (0.7) (0.3, 1.4)
Myalgia 3 (0.3) (0.1, 0.8)
Arthralgia 2 (0.2) (0.0, 0.6)
Musculoskeletal chest pain 1 (0.1) (0.0, 0.5)
Osteochondrosis 1 (0.1) (0.0, 0.5)
Pain in extremity 1 (0.1) (0.0, 0.5)
NEOPLASMS BENIGN, MALIGNANT AND UNSPECIFIED (INCL CYSTS AND 
POLYPS)1 (0.1) (0.0, 0.5)
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Page 76Table 20. Number (%) of Subjects Reporting at Least 1 Adverse Event From Dose 1 
to 6 Months After Dose 2, by System Organ Class and Preferred Term –
Subjects With at Least 6 Months of Follow -up Time After Dose 2 –Phase 
2/3 Subjects 12 Thr ough 15 Years of Age (Subjects Who Originally 
Received BNT162b2) –Safety Population
Vaccine Group (as 
Administered)
BNT162b2 (30 μg)
(Na=1113)
System  Organ Class
Preferred Termnb(%) (95% CIc)
Hair follicle tumour benign 1 (0.1) (0.0, 0.5)
NERVOUS SYSTEM DISORDERS 16 (1.4) (0.8, 2.3)
Headache 5 (0.4) (0.1, 1.0)
Migraine 3 (0.3) (0.1, 0.8)
Presyncope 3 (0.3) (0.1, 0.8)
Dizziness 2 (0.2) (0.0, 0.6)
Syncope 2 (0.2) (0.0, 0.6)
Paraesthesia 1 (0.1) (0.0, 0.5)
PSYCHIATRIC DISORDERS 16 (1.4) (0.8, 2.3)
Depression 5 (0.4) (0.1, 1.0)
Anxiety 4 (0.4) (0.1, 0.9)
Suicidal ideation 3 (0.3) (0.1, 0.8)
Attention deficit hyperactivity disorder 2 (0.2) (0.0, 0.6)
Conversion disorder 1 (0.1) (0.0, 0.5)
Disorientation 1 (0.1) (0.0, 0.5)
Generalised anxiety disorder 1 (0.1) (0.0, 0.5)
Panic attack 1 (0.1) (0.0, 0.5)
Sleep terror 1 (0.1) (0.0, 0.5)
Tic 1 (0.1) (0.0, 0.5)
REPRODUCTIVE SYSTEM AND BREAST DISORDERS 1 (0.1) (0.0, 0.5)
Amenorrhoea 1 (0.1) (0.0, 0.5)
RESPIRATORY, THORACIC AND MEDIASTINAL DISORDERS 3 (0.3) (0.1, 0.8)
Nasal congestion 2 (0.2) (0.0, 0.6)
Rhinorrhoea 2 (0.2) (0.0, 0.6)
Sneezing 1 (0.1) (0.0, 0.5)
SKIN AND SUBCUTANEOUS TISSUE DISORDERS 8 (0.7) (0.3, 1.4)
Acne 2 (0.2) (0.0, 0.6)
Dermatitis contact 2 (0.2) (0.0, 0.6)
Rash 2 (0.2) (0.0, 0.6)
Urticaria 2 (0.2) (0.0, 0.6)
SURGICAL AND MEDICAL PROCEDURES 1 (0.1) (0.0, 0.5)
Wisdom teeth removal 1 (0.1) (0.0, 0.5)
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Page 77Table 20. Number (%) of Subjects Reporting at Least 1 Adverse Event From Dose 1 
to 6 Months After Dose 2, by System Organ Class and Preferred Term –
Subjects With at Least 6 Months of Follow -up Time After Dose 2 –Phase 
2/3 Subjects 12 Thr ough 15 Years of Age (Subjects Who Originally 
Received BNT162b2) –Safety Population
Vaccine Group (as 
Administered)
BNT162b2 (30 μg)
(Na=1113)
System  Organ Class
Preferred Termnb(%) (95% CIc)
Note: MedDRA (v24.0) coding dictionary applied. 
a. N = number of subjects in the specified group. This value is the denominator for the percentage calculations. 
b. n = Number of subjects reporting at least 1 occurrence of the specified event. For "any event," n = number of subjects 
reporting at least 1 occurrence of any event. 
c. Exact 2 -sided CI based on the Clopper and Pearson method. 
PFIZER CONFIDENTIAL SDTM Creation: 05OCT2021 (18:29) Source Data: adae Table Generation: 03NOV2021 
(10:31) 
(Data Cutoff Date: 02SEP2021, Database Snapshot Date: 27SEP2021) Output File: 
./nda2 unblinded/C4591001 S Peds/adae s130 all 6m1 ped6 
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Page 78Table 21. Number (%) of Subjects Reporting at Least 1 Adverse Event From Dose 1 
to 6 Months After Dose 2, by System Organ Class and Preferred Term and 
Time Period –Subjects With at Least 6 Months of Follow -up Time After 
Dose 2 –Phase 2/3 Subjects 12 Through 15 Years of Age (Subjects Who 
Originally Received BNT162b2) – Safety Population
Vaccine Group (as Administered) 
BNT162b2 (30 μg)
(Na=1113)
Dose 1 to 1 Month After 
Dose 21 Month After Dose 2 to 
6 Months After Dose 2
System  Organ Class
Preferred Termnb(%) (95% CIc) nb(%) (95% CIc)
Any event 70(6.3) (4.9, 7.9) 35(3.1) (2.2, 4.3)
BLOOD AND LYMPHATIC SYSTEM DISORDERS 9 (0.8) (0.4, 1.5) 0 (0.0, 0.3)
Lymphadenopathy 9 (0.8) (0.4, 1.5) 0 (0.0, 0.3)
CONGENITAL, FAMILIAL AND GENETIC DISORDERS 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Syringomyelia 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
EAR AND LABYRINTH DISORDERS 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Ear pain 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
EYE DISORDERS 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Eye pain 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
GASTROINTESTINAL DISORDERS 14 (1.3) (0.7, 2.1) 3 (0.3) (0.1, 0.8)
Nausea 5 (0.4) (0.1, 1.0) 1 (0.1) (0.0, 0.5)
Diarrhoea 3 (0.3) (0.1, 0.8) 0 (0.0, 0.3)
Abdominal pain 2 (0.2) (0.0, 0.6) 1 (0.1) (0.0, 0.5)
Aphthous ulcer 1 (0.1) (0.0, 0.5) 1 (0.1) (0.0, 0.5)
Abdominal pain upper 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Constipation 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Gastritis 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Lip swelling 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Mouth swelling 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Oral mucosal blistering 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Rectal prolapse 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Vomiting 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
GENERAL DISORDERS AND ADMINISTRATION SITE 
CONDITIONS16 (1.4) (0.8, 2.3) 0 (0.0, 0.3)
Fatigue 8 (0.7) (0.3, 1.4) 0 (0.0, 0.3)
Injection site pain 8 (0.7) (0.3, 1.4) 0 (0.0, 0.3)
Pyrexia 5 (0.4) (0.1, 1.0) 0 (0.0, 0.3)
Chills 2 (0.2) (0.0, 0.6) 0 (0.0, 0.3)
Injection site swelling 2 (0.2) (0.0, 0.6) 0 (0.0, 0.3)
Nodule 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Peripheral swelling 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
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Page 79Table 21. Number (%) of Subjects Reporting at Least 1 Adverse Event From Dose 1 
to 6 Months After Dose 2, by System Organ Class and Preferred Term and 
Time Period –Subjects With at Least 6 Months of Follow -up Time After 
Dose 2 –Phase 2/3 Subjects 12 Through 15 Years of Age (Subjects Who 
Originally Received BNT162b2) – Safety Population
Vaccine Group (as Administered) 
BNT162b2 (30 μg)
(Na=1113)
Dose 1 to 1 Month After 
Dose 21 Month After Dose 2 to 
6 Months After Dose 2
System  Organ Class
Preferred Termnb(%) (95% CIc) nb(%) (95% CIc)
IMMUNE SYSTEM DISORDERS 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Seasonal allergy 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
INFECTIONS AND INFESTATIONS 6 (0.5) (0.2, 1.2) 4 (0.4) (0.1, 0.9)
Ear infection 2 (0.2) (0.0, 0.6) 0 (0.0, 0.3)
Anal abscess 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Appendicitis 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Body tinea 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Otitis externa 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Otitis media 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Paronychia 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Pilonidal cyst 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Tinea capitis 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Vulval abscess 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Vulvovaginal mycotic infection 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
INJURY, POISONING AND PROCEDURAL COMPLICATIONS 9 (0.8) (0.4, 1.5) 6 (0.5) (0.2, 1.2)
Concussion 3 (0.3) (0.1, 0.8) 0 (0.0, 0.3)
Hand fracture 1 (0.1) (0.0, 0.5) 1 (0.1) (0.0, 0.5)
Procedural pain 0 (0.0, 0.3) 2 (0.2) (0.0, 0.6)
Accident 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Bone contusion 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Clavicle fracture 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Contusion 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Fall 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Femur fracture 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Ligament sprain 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Meniscus injury 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Muscle strain 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Radius fracture 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Upper limb fracture 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
INVESTIGATIONS 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
SARS -CoV -2 antibody test positive 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
MUSCULOSKELETAL AND CONNECTIVE TISSUE 
DISORDERS8 (0.7) (0.3, 1.4) 0 (0.0, 0.3)
Myalgia 3 (0.3) (0.1, 0.8) 0 (0.0, 0.3)
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Page 80Table 21. Number (%) of Subjects Reporting at Least 1 Adverse Event From Dose 1 
to 6 Months After Dose 2, by System Organ Class and Preferred Term and 
Time Period –Subjects With at Least 6 Months of Follow -up Time After 
Dose 2 –Phase 2/3 Subjects 12 Through 15 Years of Age (Subjects Who 
Originally Received BNT162b2) – Safety Population
Vaccine Group (as Administered) 
BNT162b2 (30 μg)
(Na=1113)
Dose 1 to 1 Month After 
Dose 21 Month After Dose 2 to 
6 Months After Dose 2
System  Organ Class
Preferred Termnb(%) (95% CIc) nb(%) (95% CIc)
Arthralgia 2 (0.2) (0.0, 0.6) 0 (0.0, 0.3)
Musculoskeletal chest pain 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Osteochondrosis 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Pain in extremity 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
NEOPLASMS BENIGN, MALIGNANT AND UNSPECIFIED 
(INCL CYSTS AND POLYPS)1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Hair follicle tumour benign 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
NERVOUS SYSTEM DISORDERS 11(1.0) (0.5, 1.8) 5 (0.4) (0.1, 1.0)
Headache 5 (0.4) (0.1, 1.0) 0 (0.0, 0.3)
Migraine 2 (0.2) (0.0, 0.6) 1 (0.1) (0.0, 0.5)
Presyncope 1 (0.1) (0.0, 0.5) 2 (0.2) (0.0, 0.6)
Dizziness 2 (0.2) (0.0, 0.6) 0 (0.0, 0.3)
Syncope 0 (0.0, 0.3) 2 (0.2) (0.0, 0.6)
Paraesthesia 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
PSYCHIATRIC DISORDERS 7 (0.6) (0.3, 1.3) 11 (1.0) (0.5, 1.8)
Depression 2 (0.2) (0.0, 0.6) 4 (0.4) (0.1, 0.9)
Anxiety 1 (0.1) (0.0, 0.5) 3 (0.3) (0.1, 0.8)
Suicidal ideation 0 (0.0, 0.3) 3 (0.3) (0.1, 0.8)
Attention deficit hyperactivity disorder 0 (0.0, 0.3) 2 (0.2) (0.0, 0.6)
Conversion disorder 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Disorientation 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Generalised anxiety disorder 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Panic attack 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Sleep terror 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Tic 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
REPRODUCTIVE SYSTEM AND BREAST DISORDERS 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Amenorrhoea 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
RESPIRATORY, THORACIC AND MEDIASTINAL 
DISORDERS2 (0.2) (0.0, 0.6) 1 (0.1) (0.0, 0.5)
Nasal congestion 1 (0.1) (0.0, 0.5) 1 (0.1) (0.0, 0.5)
Rhinorrhoea 1 (0.1) (0.0, 0.5) 1 (0.1) (0.0, 0.5)
Sneezing 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
SKIN AND SUBCUTANEOUS TISSUE DISORDERS 6 (0.5) (0.2, 1.2) 2 (0.2) (0.0, 0.6)
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Page 81Table 21. Number (%) of Subjects Reporting at Least 1 Adverse Event From Dose 1 
to 6 Months After Dose 2, by System Organ Class and Preferred Term and 
Time Period –Subjects With at Least 6 Months of Follow -up Time After 
Dose 2 –Phase 2/3 Subjects 12 Through 15 Years of Age (Subjects Who 
Originally Received BNT162b2) – Safety Population
Vaccine Group (as Administered) 
BNT162b2 (30 μg)
(Na=1113)
Dose 1 to 1 Month After 
Dose 21 Month After Dose 2 to 
6 Months After Dose 2
System  Organ Class
Preferred Termnb(%) (95% CIc) nb(%) (95% CIc)
Acne 2 (0.2) (0.0, 0.6) 0 (0.0, 0.3)
Dermatitis contact 1 (0.1) (0.0, 0.5) 1 (0.1) (0.0, 0.5)
Rash 1 (0.1) (0.0, 0.5) 1 (0.1) (0.0, 0.5)
Urticaria 2 (0.2) (0.0, 0.6) 0 (0.0, 0.3)
SURGICAL AND MEDICAL PROCEDURES 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Wisdom teeth removal 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Note: MedDRA (v24.0) coding dictionary applied. 
a. N = number of subjects in the specified group. This value is the denominator for the percentage calculations. 
b. n = Number of subjects reporting at least 1 occurrence of the specified event. For "any event," n = number of subjects 
reporting at least 1 occurrence of any event. 
c. Exact 2 -sided CI based on the Clopper and Pearson method. 
PFIZER CONFIDENTIAL SDTM Creation: 05OCT2021 (18:29) Source Data: adae Table Generation: 03NOV2021 
(10:21) 
(Data Cutoff Date: 02SEP2021, Database Snapshot Date: 27SEP2021) Output File: 
./nda2 unblinded/C4591001 S Peds/adae s132 6m1 ped6 
Related Adverse Events –Blinded Placebo -Controlled and Open -Label Follow -Up Periods From 
Dose 1 to 6 Months After Dose 2 – Original BNT162b2 Recipients
From Dose 1 to 6 months after Dose 2, 34 (3.1%) original BNT162b2 adolescent recipients
reported AEs assessed b y the investigator as related to study  intervention. Most related AEs 
were reactogenicit y events and in the SOC of general disorders and administration site 
conditions, reported by 15 (1.3%) participants. Related events of l ymphadenopathy  were 
reported by7(0.6%) adolesce nts in the BNT162b2 group (refer to other significant AEs in
Section 2.5.5.2.7.1 ).
2.5.5.2.3.3.3. New Adverse Events Since EUA Snaps hot ( Blinded Placebo -Controlled 
and Open -Label Follow -Up Periods From Dose 1 to 6 Months After Dose 2 –Original 
BNT162b2 Recipients )
Summary of New Adverse Events Since EUA Snapshot ( Blinded Placebo -Controlled 
and Open -Label Follow -Up Periods From Dose 1 to 6 Months After Dose 2 – Original 
BNT162b2 Recipients )
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Page 82From the time after the EUA snapshot for adolescent BNT162b2 recipients who had at least 
6 months of follow -up time after Dose 2 during the blinded placebo -controlled and open -
label follow -up periods, there were 36 (3.2%) participants who reported at least 1 AE, and 
3 (0.3%) participants reported at least 1 related AE ( Table 22). Severe AEs an d SAEs were 
reported b y 6(0.5%) and 7 (0.6%) participants, respectively . There were no AEs leading to 
withdrawal, and there were no deaths. 
When frequencies of new AEs for participants with at least 6 months of follow- up time are 
examined by  time since the second dose, the frequency  of an y AEs and related AEs is 
6 (0.5 %) and 3 (0. 3%) through 1 month after Dose 2 compared with 32 ( 2.9%) and no related 
AEs from 1 month after Dose 2 to 6 months after Dose 2 ( Table 23). At 1 month af ter 
Dose 2, no adolescent participants reported severe AEs or SAEs. From 1 month to 6 months 
after Dose 2, the number of participants with severe AEs and total SAEs was 6 (0.5%) and 7 
(0.6%), respectivel y. All of the new SAEs and all of the AEs reported from 1 month after 
Dose 2 to 6 months after Dose 2 were assessed b y the investigator as not related to study  
intervention.
Table 22.Number (%) of Subjects Reporting at Least 1 New Adverse Event After the 
EUA Snapshot, From Dose 1 to 6 Months After Dose 2 – Subjects With at 
Least 6 Months of Follow- up Time After Dose 2 – Phase 2/3 Subjects 12 
Through 15 Years of Age (Subjects Who Originally Received BNT162b2) –
Safety Population
Vaccine Group (as Adm inistered)
BNT162b2 (30 μg)
(Na=1113)
Adverse Event nb(%) (95%  CIc)
Any event 36(3.2) (2.3, 4.4)
Relatedd3(0.3) (0.1, 0.8)
Severe 6(0.5) (0.2, 1.2)
Life-threatening 0 (0.0, 0.3)
Any serious adverse event 7(0.6) (0.3, 1.3)
Relatedd0 (0.0, 0.3)
Severe 5(0.4) (0.1, 1.0)
Life-threatening 0 (0.0, 0.3)
Any nonserious adverse event 30(2.7) (1.8, 3.8)
Relatedd3(0.3) (0.1, 0.8)
Severe 1(0.1) (0.0, 0.5)
Life-threatening 0 (0.0, 0.3)
Any adverse event leading to withdrawal 0 (0.0, 0.3)
Relatedd0 (0.0, 0.3)
Severe 0 (0.0, 0.3)
Life-threatening 0 (0.0, 0.3)
Death 0 (0.0, 0.3)
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Page 83Table 22.Number (%) of Subjects Reporting at Least 1 New Adverse Event After the 
EUA Snapshot, From Dose 1 to 6 Months After Dose 2 – Subjects With at 
Least 6 Months of Follow- up Time After Dose 2 – Phase 2/3 Subjects 12 
Through 15 Years of Age (Subjects Who Originally Received BNT162b2) –
Safety Population
Vaccine Group (as Adm inistered)
BNT162b2 (30 μg)
(Na=1113)
Adverse Event nb(%) (95%  CIc)
Abbreviation: EUA = emergency use authorization. 
Note: EUA snapshot 25Mar2021 with the cutoff date 13Mar2021. 
a. N = number of subjects in the specified group. This value is the denominator for the percentage calculations. 
b. n = Number of subjects reporting at least 1 occurrence of the specified event category. For "any event," n = number of 
subjects rep orting at least 1 occurrence of any event. 
c. Exact 2 -sided CI based on the Clopper and Pearson method. 
d. Assessed by the investigator as related to investigational product. 
PFIZER CONFIDENTIAL SDTM Creation: 05OCT2021 (17:29) Source Data: adae Table Generation: 11NOV2021 
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(Data Cutoff Date: 02SEP2021, Database Snapshot Date: 27SEP2021) Output File: 
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Page 84Table 23.Number (%) of Subjects Reporting at Least 1 New Adverse Event After the 
EUA Snapshot, From Dose 1 to 6 Months After Dose 2, by Time Period –
Subjects With at Least 6 Months of Follow -up Time After Dose 2 –Phase 
2/3 Subjects 12 Through 15 Years of Age (Subjects Who Originally 
Received BNT162b2) –Safety Population
Vaccine Group (as Administered) 
BNT162b2 (30 μg)
(Na=1113)
Dose 1 to 1 Month After Dose 
21 Month After Dose 2 to 6 Months After 
Dose 2
Adverse Event nb(%) nb(%)
Any event 6(0.5) 32(2.9)
Relatedc3(0.3) 0
Severe 0 6(0.5)
Life-threatening 0 0
Any serious adverse event 0 7(0.6)
Relatedc0 0
Severe 0 5(0.4)
Life-threatening 0 0
Any nonserious adverse event 6(0.5) 26(2.3)
Relatedc3(0.3) 0
Severe 0 1(0.1)
Life-threatening 0 0
Any adverse event leading to withdrawal 0 0
Relatedc0 0
Severe 0 0
Life-threatening 0 0
Death 0 0
Abbreviation: EUA = emergency use authorization. 
Note: EUA snapshot 25Mar2021 with the cutoff date 13Mar2021. 
a. N = number of subjects in the specified group. This value is the denominator for the percentage calculations. 
b. n = Number of subjects reporting at least 1 occurrence of the specifi ed event category. For "any event," n = number of 
subjects reporting at least 1 occurrence of any event. 
c. Assessed by the investigator as related to investigational product. 
PFIZER CONFIDENTIAL SDTM Creation: 05OCT2021 (17:29) Source Data: adae Tab le Generation: 11NOV2021 
(09:45) 
(Data Cutoff Date: 02SEP2021, Database Snapshot Date: 27SEP2021) Output File: 
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Page 85New Adverse Events Since EUA Snapshot by System Organ Class and Preferred Term 
(Blinded Placebo -Controlled and Open -Label Follow -Up Periods From Dose 1 to 6 
Months After Dose 2 – Original BNT162b2 Recipients)
Most of the new AEs reported after the EUA snapshot in adolescent participants with at least 
6 months of follow -up time after D ose 2 were in the psychiatric disorders SOC (11 [1.0%])
(Table 24). 
When AEs are compared from Dose 1 to1 month after Dose 2 and from 1 month after 
Dose 2 to 6 months after Dose 2, AEs reported in the psy chiatric disorders SOC were 
1(0.1%) and 10 (0.9%) p articipants, respectivel y (Table 25).All of the AE s in this SOC  
were assessed by the investigator as not related to study  intervention.
Table 24.Number (%) of Subjects Reporting at Least 1 New Adverse Event After the 
EUA Snapshot, From Dose 1 to 6 Months After Dose 2, by System Organ 
Class and Preferred Term – Subjects With at Least 6 Months of Follow -up 
Time After Dose 2 –Phase 2/3 Subjects 12 Through 15 Years of Age 
(Subjects Who Originally Received BNT162b2) – Safety Population
Vaccine Group (as 
Administered)
BNT162b2 (30 μg)
(Na=1113)
System  Organ Class
Preferred Termnb(%) (95% CIc)
Any event 36(3.2) (2.3, 4.4)
CONGENITAL, FAMILIAL AND GENETIC DISORDERS 1 (0.1) (0.0, 0.5)
Syringomyelia 1 (0.1) (0.0, 0.5)
EYE DISORDERS 1 (0.1) (0.0, 0.5)
Eye pain 1 (0.1) (0.0, 0.5)
GASTROINTESTINAL DISORDERS 3 (0.3) (0.1, 0.8)
Abdominal pain upper 1 (0.1) (0.0, 0.5)
Aphthous ulcer 1 (0.1) (0.0, 0.5)
Constipation 1 (0.1) (0.0, 0.5)
Nausea 1 (0.1) (0.0, 0.5)
GENERAL DISORDERS AND ADMINISTRATION SITE CONDITIONS 1 (0.1) (0.0, 0.5)
Chills 1 (0.1) (0.0, 0.5)
Fatigue 1 (0.1) (0.0, 0.5)
Injection site pain 1 (0.1) (0.0, 0.5)
Injection site swelling 1 (0.1) (0.0, 0.5)
Pyrexia 1 (0.1) (0.0, 0.5)
IMMUNE SYSTEM DISORDERS 1 (0.1) (0.0, 0.5)
Seasonal allergy 1 (0.1) (0.0, 0.5)
INFECTIONS AND INFESTATIONS 4 (0.4) (0.1, 0.9)
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Page 86Table 24.Number (%) of Subjects Reporting at Least 1 New Adverse Event After the 
EUA Snapshot, From Dose 1 to 6 Months After Dose 2, by System Organ 
Class and Preferred Term – Subjects With at Least 6 Months of Follow -up 
Time After Dose 2 –Phase 2/3 Subjects 12 Through 15 Years of Age 
(Subjects Who Originally Received BNT162b2) – Safety Population
Vaccine Group (as 
Administered)
BNT162b2 (30 μg)
(Na=1113)
System  Organ Class
Preferred Termnb(%) (95% CIc)
Anal abscess 1 (0.1) (0.0, 0.5)
Appendicitis 1 (0.1) (0.0, 0.5)
Paronychia 1 (0.1) (0.0, 0.5)
Pilonidal cyst 1 (0.1) (0.0, 0.5)
INJURY, POISONING AND PROCEDURAL COMPLICATIONS 6 (0.5) (0.2, 1.2)
Procedural pain 2 (0.2) (0.0, 0.6)
Bone contusion 1 (0.1) (0.0, 0.5)
Femur fracture 1 (0.1) (0.0, 0.5)
Hand fracture 1 (0.1) (0.0, 0.5)
Meniscus injury 1 (0.1) (0.0, 0.5)
Upper limb fracture 1 (0.1) (0.0, 0.5)
INVESTIGATIONS 1 (0.1) (0.0, 0.5)
SARS -CoV -2 antibody test positive 1 (0.1) (0.0, 0.5)
MUSCULOSKELETAL AND CONNECTIVE TISSUE DISORDERS 1 (0.1) (0.0, 0.5)
Musculoskeletal chest pain 1 (0.1) (0.0, 0.5)
NERVOUS SYSTEM DISORDERS 4 (0.4) (0.1, 0.9)
Presyncope 2 (0.2) (0.0, 0.6)
Migraine 1 (0.1) (0.0, 0.5)
Syncope 1 (0.1) (0.0, 0.5)
PSYCHIATRIC DISORDERS 11 (1.0) (0.5, 1.8)
Anxiety 4 (0.4) (0.1, 0.9)
Depression 4 (0.4) (0.1, 0.9)
Attention deficit hyperactivity disorder 2 (0.2) (0.0, 0.6)
Suicidal ideation 2 (0.2) (0.0, 0.6)
Panic attack 1 (0.1) (0.0, 0.5)
REPRODUCTIVE SYSTEM AND BREAST DISORDERS 1 (0.1) (0.0, 0.5)
Amenorrhoea 1 (0.1) (0.0, 0.5)
RESPIRATORY, THORACIC AND MEDIASTINAL DISORDERS 1 (0.1) (0.0, 0.5)
Nasal congestion 1 (0.1) (0.0, 0.5)
Rhinorrhoea 1 (0.1) (0.0, 0.5)
Sneezing 1 (0.1) (0.0, 0.5)
SKIN AND SUBCUTANEOUS TISSUE DISORDERS 2 (0.2) (0.0, 0.6)
Acne 1 (0.1) (0.0, 0.5)
Dermatitis contact 1 (0.1) (0.0, 0.5)
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Page 87Table 24.Number (%) of Subjects Reporting at Least 1 New Adverse Event After the 
EUA Snapshot, From Dose 1 to 6 Months After Dose 2, by System Organ 
Class and Preferred Term – Subjects With at Least 6 Months of Follow -up 
Time After Dose 2 –Phase 2/3 Subjects 12 Through 15 Years of Age 
(Subjects Who Originally Received BNT162b2) – Safety Population
Vaccine Group (as 
Administered)
BNT162b2 (30 μg)
(Na=1113)
System  Organ Class
Preferred Termnb(%) (95% CIc)
SURGICAL AND MEDICAL PROCEDURES 1 (0.1) (0.0, 0.5)
Wisdom teeth removal 1 (0.1) (0.0, 0.5)
Abbreviation: EUA = emergency use authorization. 
Note: EUA snapshot 25Mar2021 with the cutoff date 13Mar2021. 
Note: MedDRA (v24.0) coding dictionary applied. 
a. N = number of subjects in the specified group. This value is the denominator for the percentage calculations. 
b. n = Number of subjec ts reporting at least 1 occurrence of the specified event. For "any event," n = number of subjects 
reporting at least 1 occurrence of any event. 
c. Exact 2 -sided CI based on the Clopper and Pearson method. 
PFIZER CONFIDENTIAL SDTM Creation: 05OCT2021 (17:29) Source Data: adae Table Generation: 11NOV2021 
(09:50) 
(Data Cutoff Date: 02SEP2021, Database Snapshot Date: 27SEP2021) Output File: 
./nda2 unblinded/C4591001 S Peds/adae s130 all 6m2 ped6 
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Page 88Table 25.Number (%) of Subjects Reporting at Least 1 New Adverse Event After the 
EUA Snapshot, From Dose 1 to 6 Months After Dose 2, by System Organ 
Class and Preferred Term and Time Period – Subjects With at Least 6 
Months of Follow -up Time After Dose 2 – Phase 2/3 Subjects 12 Through 
15 Years of Age (Subjects Who Originally Received BNT162b2) – Safety 
Population
Vaccine Group (as Administered) 
BNT162b2 (30 μg)
(Na=1113)
Dose 1 to 1 Month After 
Dose 21 Month After Dose 2 to 6 
Months After Dose 2
System  Organ Class
Preferred Termnb(%) (95% CIc) nb(%) (95% CIc)
Any event 6(0.5) (0.2, 1.2) 32(2.9) (2.0, 4.0)
CONGENITAL, FAMILIAL AND GENETIC DISORDERS 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Syringomyelia 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
EYE DISORDERS 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Eye pain 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
GASTROINTESTINAL DISORDERS 0 (0.0, 0.3) 3 (0.3) (0.1, 0.8)
Abdominal pain upper 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Aphthous ulcer 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Constipation 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Nausea 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
GENERAL DISORDERS AND ADMINISTRATION SITE 
CONDITIONS1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Chills 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Fatigue 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Injection site pain 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Injection site swelling 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Pyrexia 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
IMMUNE SYSTEM DISORDERS 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Seasonal allergy 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
INFECTIONS AND INFESTATIONS 0 (0.0, 0.3) 4 (0.4) (0.1, 0.9)
Anal abscess 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Appendicitis 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Paronychia 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Pilonidal cyst 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
INJURY, POISONING AND PROCEDURAL 
COMPLICATIONS0 (0.0, 0.3) 6 (0.5) (0.2, 1.2)
Procedural pain 0 (0.0, 0.3) 2 (0.2) (0.0, 0.6)
Bone contusion 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Femur fracture 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Hand fracture 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
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Page 89Table 25.Number (%) of Subjects Reporting at Least 1 New Adverse Event After the 
EUA Snapshot, From Dose 1 to 6 Months After Dose 2, by System Organ 
Class and Preferred Term and Time Period – Subjects With at Least 6 
Months of Follow -up Time After Dose 2 – Phase 2/3 Subjects 12 Through 
15 Years of Age (Subjects Who Originally Received BNT162b2) – Safety 
Population
Vaccine Group (as Administered) 
BNT162b2 (30 μg)
(Na=1113)
Dose 1 to 1 Month After 
Dose 21 Month After Dose 2 to 6 
Months After Dose 2
System  Organ Class
Preferred Termnb(%) (95% CIc) nb(%) (95% CIc)
Meniscus injury 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Upper limb fracture 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
INVESTIGATIONS 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
SARS -CoV -2 antibody test positive 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
MUSCULOSKELETAL AND CONNECTIVE TISSUE 
DISORDERS1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Musculoskeletal chest pain 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
NERVOUS SYSTEM DISORDERS 0 (0.0, 0.3) 4 (0.4) (0.1, 0.9)
Presyncope 0 (0.0, 0.3) 2 (0.2) (0.0, 0.6)
Migraine 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Syncope 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
PSYCHIATRIC DISORDERS 1 (0.1) (0.0, 0.5) 10 (0.9) (0.4, 1.6)
Anxiety 1 (0.1) (0.0, 0.5) 3 (0.3) (0.1, 0.8)
Depression 0 (0.0, 0.3) 4 (0.4) (0.1, 0.9)
Attention deficit hyperactivity disorder 0 (0.0, 0.3) 2 (0.2) (0.0, 0.6)
Suicidal ideation 0 (0.0, 0.3) 2 (0.2) (0.0, 0.6)
Panic attack 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
REPRODUCTIVE SYSTEM AND BREAST DISORDERS 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Amenorrhoea 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
RESPIRATORY, THORACIC AND MEDIASTINAL 
DISORDERS0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Nasal congestion 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Rhinorrhoea 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Sneezing 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
SKIN AND SUBCUTANEOUS TISSUE DISORDERS 1 (0.1) (0.0, 0.5) 1 (0.1) (0.0, 0.5)
Acne 1 (0.1) (0.0, 0.5) 0 (0.0, 0.3)
Dermatitis contact 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
SURGICAL AND MEDICAL PROCEDURES 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
Wisdom teeth removal 0 (0.0, 0.3) 1 (0.1) (0.0, 0.5)
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Page 90Table 25.Number (%) of Subjects Reporting at Least 1 New Adverse Event After the 
EUA Snapshot, From Dose 1 to 6 Months After Dose 2, by System Organ 
Class and Preferred Term and Time Period – Subjects With at Least 6 
Months of Follow -up Time After Dose 2 – Phase 2/3 Subjects 12 Through 
15 Years of Age (Subjects Who Originally Received BNT162b2) – Safety 
Population
Vaccine Group (as Administered) 
BNT162b2 (30 μg)
(Na=1113)
Dose 1 to 1
…[truncated]