125742 45 S211 M5 c4591001 interim ado mth6 discontinued patients

Pfizer Documents (PHMPT/FDA)

Pfizer Bla Submission

Pfizer 12 15 Documents

17

Document text

16.2.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
All Subjects 12 Through 15 Years of Age 
Subject/ 
Vaccine Group 
(as Randomized) Dose
No.  Rel 
Daya Withdrawal
Date Study Phase  Withdrawal Reason       Commentb 
  
C4591001 1005 
10051413/ 
BNT162b2 (30 
μg) 2 204 26JUL2021 FOLLOW-UP OTHER Participant enrolled in C4591031 
C4591001 1005 
10051441/ 
BNT162b2 (30 
μg) 2 206 05AUG2021 FOLLOW-UP OTHER Participant enrolled in C4591031 
C4591001 1006 
10061200/ 
Placebo 4 142 26AUG2021 FOLLOW-UP LOST TO FOLLOW-UP Lost to follow-up, noncompliant 
C4591001 1006 
10061206/ 
Placebo 2 147 18MAY2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT parent requested to withdraw consent 
C4591001 1006 
10061207/ 
Placebo 2 147 18MAY2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT participant withdrew consent 
C4591001 1006 
10061221/ 
BNT162b2 (30 
μg) 2 218 02AUG2021 FOLLOW-UP OTHER enrolled in C4591031 
C4591001 1006 
10061265/ 
BNT162b2 (30 
μg) 2 129 14MAY2021 FOLLOW-UP NO LONGER MEETS 
ELIGIBILITY CRITERIA RECEIVED COVID VACCINE OUTSIDE STUDY 
C4591001 1006 
10061280/ 
BNT162b2 (30 
μg) 2 208 02AUG2021 FOLLOW-UP OTHER enrolled in C4591031 
090177e1988b770d\Final\Final On: 09-Nov-2021 04:11 (GMT) 
Page 1
FDA-CBER-2022-5812-0224532
16.2.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
All Subjects 12 Through 15 Years of Age 
Subject/ 
Vaccine Group 
(as Randomized) Dose
No.  Rel 
Daya Withdrawal
Date Study Phase  Withdrawal Reason       Commentb 
  
C4591001 1006 
10061287/ 
Placebo 2 135 25MAY2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Discontinued 
C4591001 1006 
10061288/ 
BNT162b2 (30 
μg) 2 204 02AUG2021 FOLLOW-UP OTHER enrolled in C4591031 
C4591001 1006 
10061296/ 
Placebo 2 129 27MAY2021 FOLLOW-UP LOST TO FOLLOW-UP unable to contact 
C4591001 1006 
10061297/ 
BNT162b2 (30 
μg) 2 129 27MAY2021 FOLLOW-UP LOST TO FOLLOW-UP unable to contact 
C4591001 1007 
10071593/ 
Placebo 1 24 20JAN2021 VACCINATION PROTOCOL DEVIATION receipt of non-study COVID vaccine prior to study end
  1 47 12FEB2021 FOLLOW-UP PROTOCOL DEVIATION Receipt of non-stud y COVID vaccine prior to stud y end
C4591001 1007 
10071622/ 
BNT162b2 (30 
μg) 1 22 20JAN2021 VACCINATION OTHER Participant had COVID-19 prior to second vaccine 
C4591001 1007 
10071635/ 
Placebo 2 108 12MAY2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Pfizer vaccine outside of study, participant verbalized 
wanting to withdrawal from the study 
C4591001 1007 
10071639/ 
Placebo 2 128 01JUN2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN Participant Moving 
C4591001 1008 
10081758/ 2 223 02AUG2021 FOLLOW-UP OTHER Participant enrolled in C4591031 
090177e1988b770d\Final\Final On: 09-Nov-2021 04:11 (GMT) 
Page 2
FDA-CBER-2022-5812-0224533
16.2.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
All Subjects 12 Through 15 Years of Age 
Subject/ 
Vaccine Group 
(as Randomized) Dose
No.  Rel 
Daya Withdrawal
Date Study Phase  Withdrawal Reason       Commentb 
  
BNT162b2 (30 
μg) 
C4591001 1008 
10081829/ 
Placebo 2 122 13MAY2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN requested unblinding 5/12, withdrew consent 5/13 
C4591001 1008 
10081834/ 
Placebo 2 121 13MAY2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN requested unblinding 5/12, withdrew consent 5/13 
C4591001 1008 
10081871/ 
Placebo 1 78 17MAR2021 VACCINATION OTHER 2nd vax not given due to confirmed covid illness prior 
to vax #2 
C4591001 1008 
10081884/ 
Placebo 1 79 19MAR2021 VACCINATION OTHER 2nd vax not given due to confirmed covid illness prior 
to vax #2 
C4591001 1008 
10081901/ 
Placebo 2 18 12FEB2021 VACCINATION OTHER the participant is willing/e ligible to receive Vaccination 
3 
C4591001 1009 
10091227/ 
BNT162b2 (30 
μg) 2 259 26JUL2021 FOLLOW-UP OTHER Subject enrolled in C4591031 study 
C4591001 1009 
10091287/ 
BNT162b2 (30 
μg) 2 225 04AUG2021 FOLLOW-UP OTHER Participant enrolled in C4591031 
C4591001 1009 
10091307/ 
BNT162b2 (30 
μg) 2 245 31AUG2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN subject moved to Texas 
090177e1988b770d\Final\Final On: 09-Nov-2021 04:11 (GMT) 
Page 3
FDA-CBER-2022-5812-0224534
16.2.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
All Subjects 12 Through 15 Years of Age 
Subject/ 
Vaccine Group 
(as Randomized) Dose
No.  Rel 
Daya Withdrawal
Date Study Phase  Withdrawal Reason       Commentb 
  
C4591001 1009 
10091308/ 
Placebo 2 245 31AUG2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN subject moved to texas 
C4591001 1009 
10091332/ 
BNT162b2 (30 
μg) 2 216 02AUG2021 FOLLOW-UP OTHER participant enrolled in C4591031 
C4591001 1009 
10091338/ 
Placebo 1 19 01JAN2021 VACCINATION NO LONGER MEETS 
ELIGIBILITY CRITERIA exclusion #5 
C4591001 1009 
10091363/ 
Placebo 1 11 27DEC2020 VACCINATION NO LONGER MEETS 
ELIGIBILITY CRITERIA has tested positive for COVID-19 
C4591001 1009 
10091383/ 
BNT162b2 (30 
μg) 2 193 05AUG2021 FOLLOW-UP OTHER Participant enrolled in C4591031 
C4591001 1013 
10131830/ 
Placebo 2 141 12MAY2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN Wanted to get vaccine close r to home and now able to 
do so. 
C4591001 1013 
10131846/ 
BNT162b2 (30 
μg) 2 144 14MAY2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN Mother wanted unblinded did not want to continue in 
study; wanted vaccine in community. 
C4591001 1013 
10131848/ 
Placebo 2 144 14MAY2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN Mother wanted unblinded did not want to continue in 
study; wanted vaccine in community. 
C4591001 1013 
10131856/ 
BNT162b2 (30 
μg) 2 133 11MAY2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Subject no longer able to m ake appointments due to 
drive. 
090177e1988b770d\Final\Final On: 09-Nov-2021 04:11 (GMT) 
Page 4
FDA-CBER-2022-5812-0224535
16.2.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
All Subjects 12 Through 15 Years of Age 
Subject/ 
Vaccine Group 
(as Randomized) Dose
No.  Rel 
Daya Withdrawal
Date Study Phase  Withdrawal Reason       Commentb 
  
C4591001 1013 
10131862/ 
BNT162b2 (30 
μg) 2 232 17AUG2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT SUBJECT MOVED TO SEATTLE 
C4591001 1013 
10131868/ 
Placebo 2 127 18MAY2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Subject received first dose in community. 
C4591001 1013 
10131869/ 
Placebo 2 141 02JUN2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Subject wanted to get vac cine closer to home. 
C4591001 1013 
10131870/ 
Placebo 2 100 22APR2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Subject could not make the time commitment with 2 
hour drive. 
C4591001 1013 
10131878/ 
Placebo 2 133 25MAY2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Unable to make further ap pointments - vaccinated in 
community. 
C4591001 1016 
10161316/ 
Placebo 1 17 01NOV2020 VACCINATION NO LONGER MEETS 
ELIGIBILITY CRITERIA subject with positive covid-19 
C4591001 1016 
10161379/ 
Placebo 1 30 05FEB2021 VACCINATION NO LONGER MEETS 
ELIGIBILITY CRITERIA subject with positive covid test 
C4591001 1039 
10391253/ 
BNT162b2 (30 
μg) 2 225 09AUG2021 FOLLOW-UP LOST TO FOLLOW-UP Subject lost to follow up 
C4591001 1039 
10391264/ 
Placebo 3 16 08JUN2021 OPEN LABEL 
TREATMENT WITHDRAWAL BY 
SUBJECT Subject has withdrawn from study. 
  3 16 08JUN2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECTSubject has withdrawn from study. 
090177e1988b770d\Final\Final On: 09-Nov-2021 04:11 (GMT) 
Page 5
FDA-CBER-2022-5812-0224536
16.2.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
All Subjects 12 Through 15 Years of Age 
Subject/ 
Vaccine Group 
(as Randomized) Dose
No.  Rel 
Daya Withdrawal
Date Study Phase  Withdrawal Reason       Commentb 
  
C4591001 1039 
10391332/ 
BNT162b2 (30 
μg) 2 129 10JUN2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Subject has withdrawn consent. 
C4591001 1044 
10441289/ 
Placebo 2 220 18AUG2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT withdrew consent 
C4591001 1044 
10441293/ 
Placebo 3 39 21JUN2021 OPEN LABEL 
TREATMENT PROTOCOL DEVIATION subject received dose outside of study 
C4591001 1044 
10441294/ 
Placebo 3 50 02JUL2021 OPEN LABEL 
TREATMENT PROTOCOL DEVIATION subject received dose outside of study 
C4591001 1044 
10441322/ 
BNT162b2 (30 
μg) 2 46 13MAR2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Refused further follow-up 
C4591001 1044 
10441344/ 
Placebo 2 11 08FEB2021 VACCINATION OTHER transitioning to open label 
C4591001 1044 
10441347/ 
Placebo 2 120 28MAY2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Parent/guardian contacted the site to advise that her 
daughter is no longer interested in continuing 
C4591001 1044 
10441371/ 
Placebo 2 183 03AUG2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT subject moved from area 
C4591001 1044 
10441372/ 
BNT162b2 (30 
μg) 2 183 03AUG2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT subject moved from area 
090177e1988b770d\Final\Final On: 09-Nov-2021 04:11 (GMT) 
Page 6
FDA-CBER-2022-5812-0224537
16.2.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
All Subjects 12 Through 15 Years of Age 
Subject/ 
Vaccine Group 
(as Randomized) Dose
No.  Rel 
Daya Withdrawal
Date Study Phase  Withdrawal Reason       Commentb 
  
C4591001 1057 
10571377/ 
Placebo 2 241 25AUG2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT UNABLE TO DRIVE TO JACKSONVILLE FOR 
STUDY VISITS 
C4591001 1057 
10571378/ 
BNT162b2 (30 
μg) 2 241 25AUG2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT UNABLE TO DRIVE TO JACKSONVILLE FOR 
STUDY VISITS 
C4591001 1057 
10571385/ 
BNT162b2 (30 
μg) 2 207 22JUL2021 FOLLOW-UP OTHER ENROLLED INTO C4591031 
C4591001 1057 
10571390/ 
BNT162b2 (30 
μg) 2 215 30JUL2021 FOLLOW-UP OTHER PARTICIPANT ENROLLED INTO C4591031 
C4591001 1057 
10571392/ 
BNT162b2 (30 
μg) 2 207 22JUL2021 FOLLOW-UP OTHER ENROLLED INTO C4591031 
C4591001 1057 
10571413/ 
BNT162b2 (30 
μg) 21DEC2020 VACCINATION NO LONGER MEETS 
ELIGIBILITY CRITERIA DELAY CRITERIA MET 
    
21DEC2020 FOLLOW-UP NO LONGER MEETS 
ELIGIBILITY CRITERIA DELAY CRITERIA MET 
C4591001 1057 
10571414/ 
Placebo 2 148 08JUN2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT subject no longer wants to participate 
C4591001 1057 
10571418/ 2 229 27AUG2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN father stated just didn't want daughter participating at 
this time. no othe r reason disclose d
090177e1988b770d\Final\Final On: 09-Nov-2021 04:11 (GMT) 
Page 7
FDA-CBER-2022-5812-0224538
16.2.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
All Subjects 12 Through 15 Years of Age 
Subject/ 
Vaccine Group 
(as Randomized) Dose
No.  Rel 
Daya Withdrawal
Date Study Phase  Withdrawal Reason       Commentb 
  
BNT162b2 (30 
μg) 
C4591001 1057 
10571420/ 
Placebo 2 45 24FEB2021 VACCINATION WITHDRAWAL BY 
PARENT/GUARDIAN mother stated she didn't w ant him to do it anymore 
  2 45 24FEB2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN mother stated she didn't w ant him to do it anymore 
C4591001 1057 
10571421/ 
Placebo 2 180 09JUL2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN WITHDRAWAL BY PARENT/GUARDIAN 
C4591001 1057 
10571425/ 
Placebo 2 185 15JUL2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT NO LONGER WISHES TO PARTICIPATE 
C4591001 1057 
10571426/ 
BNT162b2 (30 
μg) 2 194 02AUG2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT UNABLE TO COME IN FOR STUDY VISIT 
C4591001 1057 
10571446/ 
Placebo 2 213 01SEP2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT no longer interested 
C4591001 1057 
10571450/ 
Placebo 2 206 26AUG2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT no longer interested in revax V101, no longer interested 
in study participation 
C4591001 1066 
10661408/ 
BNT162b2 (30 
μg) 2 218 02AUG2021 FOLLOW-UP OTHER Subject enrolled in C4591031 
C4591001 1066 
10661428/ 
Placebo 2 17 11FEB2021 VACCINATION OTHER subject unblinded for vax 3 per protocol 
090177e1988b770d\Final\Final On: 09-Nov-2021 04:11 (GMT) 
Page 8
FDA-CBER-2022-5812-0224539
16.2.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
All Subjects 12 Through 15 Years of Age 
Subject/ 
Vaccine Group 
(as Randomized) Dose
No.  Rel 
Daya Withdrawal
Date Study Phase  Withdrawal Reason       Commentb 
  
C4591001 1066 
10661431/ 
BNT162b2 (30 
μg) 2 183 28JUL2021 FOLLOW-UP OTHER subject enrolled in C4591031 
C4591001 1077 
10771282/ 
Placebo 2 133 17MAY2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN Subject recieved covid-19 vaccine outside study and is 
moving. Does not wish to continue in followup 
C4591001 1077 
10771289/ 
Placebo 2 127 14MAY2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN WITHDRAWAL BY PARENT/GUARDIAN 
C4591001 1077 
10771290/ 
Placebo 2 127 14MAY2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN WITHDRAWAL BY PARENT/GUARDIAN 
C4591001 1077 
10771292/ 
BNT162b2 (30 
μg) 2 133 18MAY2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN WITHDRAWAL BY PARENT/GUARDIAN 
C4591001 1077 
10771293/ 
Placebo 18DEC2020 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Subject withdrew consent prior to blood draw. 
C4591001 1084 
10841542/ 
Placebo 2 184 01JUL2021 FOLLOW-UP NO LONGER MEETS 
ELIGIBILITY CRITERIA subject received vaccine  outside of study. 
C4591001 1084 
10841557/ 
Placebo 2 116 13MAY2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN WITHDRAWAL BY PARENT/GUARDIAN 
C4591001 1084 
10841568/ 
Placebo 2 149 15JUN2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT subject drop to due summer activities 
090177e1988b770d\Final\Final On: 09-Nov-2021 04:11 (GMT) 
Page 9
FDA-CBER-2022-5812-0224540
16.2.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
All Subjects 12 Through 15 Years of Age 
Subject/ 
Vaccine Group 
(as Randomized) Dose
No.  Rel 
Daya Withdrawal
Date Study Phase  Withdrawal Reason       Commentb 
  
C4591001 1084 
10841579/ 
Placebo 2 118 24MAY2021 FOLLOW-UP NO LONGER MEETS 
ELIGIBILITY CRITERIA Subject received outside P fizer Vaccine 14May2021 
C4591001 1091 
10911409/ 
Placebo 2 150 26MAY2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN WITHDRAWAL BY PARENT/GUARDIAN 
C4591001 1091 
10911451/ 
BNT162b2 (30 
μg)   
04JAN2021 FOLLOW-UP OTHER Subject was rescreened under #1462. Subject 
randomized in error. 
C4591001 1123 
11231422/ 
Placebo 2 171 09JUN2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Patient moved from the area and cannot be present for 
scheduled visits 
C4591001 1123 
11231434/ 
Placebo 2 137 13MAY2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Pt requested to be dropped from the study and refused to 
elaborate 
C4591001 1123 
11231438/ 
Placebo 2 161 15JUN2021 FOLLOW-UP LOST TO FOLLOW-UP Could not reach patient via telephone to schedule 
vaccination 
C4591001 1123 
11231441/ 
Placebo 2 127 10MAY2021 FOLLOW-UP LOST TO FOLLOW-UP Patient lost to follow up due to inability to be present for 
appointments. 
C4591001 1123 
11231443/ 
BNT162b2 (30 
μg) 2 184 06JUL2021 FOLLOW-UP LOST TO FOLLOW-UP Subject no-showed for V4, and  site staff was unable to 
contact them to reschedule 
C4591001 1123 
11231445/ 
Placebo 2 163 10JUN2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Patient requested to be out of the study, did not want to 
participate in crossover. 
C4591001 1123 
11231446/ 2 183 30JUN2021 FOLLOW-UP LOST TO FOLLOW-UP Subject no showed for V4, staff could not contact 
subject
090177e1988b770d\Final\Final On: 09-Nov-2021 04:11 (GMT) 
Page 10
FDA-CBER-2022-5812-0224541
16.2.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
All Subjects 12 Through 15 Years of Age 
Subject/ 
Vaccine Group 
(as Randomized) Dose
No.  Rel 
Daya Withdrawal
Date Study Phase  Withdrawal Reason       Commentb 
  
BNT162b2 (30 
μg) 
C4591001 1123 
11231448/ 
Placebo 2 112 20APR2021 FOLLOW-UP LOST TO FOLLOW-UP Inability to contact patient reg arding reported symptoms 
on illness diary 
C4591001 1123 
11231478/ 
Placebo 2 150 09JUN2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Patient did not want to participate in the crossover and 
requested to be dropped from the study. 
C4591001 1123 
11231479/ 
Placebo 2 124 14MAY2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Patient requested to be dro pped because they did not 
want to come into clinic for any more visits 
C4591001 1123 
11231483/ 
Placebo 2 151 10JUN2021 FOLLOW-UP LOST TO FOLLOW-UP Can't reach patient to schedule V101 
C4591001 1123 
11231486/ 
BNT162b2 (30 
μg) 2 192 21JUL2021 FOLLOW-UP LOST TO FOLLOW-UP No Show for V4, can't reach subject 
C4591001 1123 
11231491/ 
Placebo 2 150 09JUN2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Subject no longer wanted to p articipate in the crossover
C4591001 1123 
11231511/ 
BNT162b2 (30 
μg) 2 112 10MAY2021 FOLLOW-UP LOST TO FOLLOW-UP Could not reach patient via telephone 
C4591001 1123 
11231512/ 
BNT162b2 (30 
μg) 2 112 10MAY2021 FOLLOW-UP LOST TO FOLLOW-UP Couldn't reach patient via telephone. 
090177e1988b770d\Final\Final On: 09-Nov-2021 04:11 (GMT) 
Page 11
FDA-CBER-2022-5812-0224542
16.2.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
All Subjects 12 Through 15 Years of Age 
Subject/ 
Vaccine Group 
(as Randomized) Dose
No.  Rel 
Daya Withdrawal
Date Study Phase  Withdrawal Reason       Commentb 
  
C4591001 1123 
11231515/ 
Placebo 2 131 28MAY2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Subject requested withdrawal f rom study due to fears of 
blood collection. 
C4591001 1123 
11231526/ 
Placebo 3 37 30JUN2021 FOLLOW-UP LOST TO FOLLOW-UP Patient consistently no-showed for V102. 
C4591001 1124 
11241236/ 
Placebo 2 149 01JUN2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT OUT OF COUNTRY 
C4591001 1124 
11241242/ 
Placebo 2 168 21JUN2021 FOLLOW-UP LOST TO FOLLOW-UP Patient is Lost toFollow-up as of June 21, 2021 
C4591001 1124 
11241256/ 
Placebo 2 129 21MAY2021 FOLLOW-UP LOST TO FOLLOW-UP Multiple phone attempts mad e, certified letter sent. 
Subject did not complete Visit 101 
C4591001 1124 
11241261/ 
BNT162b2 (30 
μg) 2 162 23JUN2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Subject does not wish to continue in study 
C4591001 1124 
11241262/ 
BNT162b2 (30 
μg) 2 180 09JUL2021 FOLLOW-UP LOST TO FOLLOW-UP Several voicemails left and Certified letter sent on 7/9 
C4591001 1125 
11251255/ 
BNT162b2 (30 
μg) 2 181 26JUL2021 FOLLOW-UP LOST TO FOLLOW-UP Certified letter sent after mu ltiple attempts to contact for 
potential revax contact 
C4591001 1126 
11261287/ 
Placebo 1 15 30DEC2020 VACCINATION NO LONGER MEETS 
ELIGIBILITY CRITERIA Subject did not receive 2nd v accine due to Covid 19 
disease. 
090177e1988b770d\Final\Final On: 09-Nov-2021 04:11 (GMT) 
Page 12
FDA-CBER-2022-5812-0224543
16.2.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
All Subjects 12 Through 15 Years of Age 
Subject/ 
Vaccine Group 
(as Randomized) Dose
No.  Rel 
Daya Withdrawal
Date Study Phase  Withdrawal Reason       Commentb 
  
C4591001 1131 
11311302/ 
BNT162b2 (30 
μg) 2 186 05AUG2021 FOLLOW-UP OTHER participant enrolled in C4591031 
C4591001 1139 
11391189/ 
Placebo 2 123 13MAY2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Subject's decided to withdr aw and receive vaccine 
elsewhere 
C4591001 1139 
11391201/ 
BNT162b2 (30 
μg) 2 205 04AUG2021 FOLLOW-UP OTHER Participant enrolled in C4591031 
C4591001 1139 
11391203/ 
Placebo 3 22 27APR2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Subject decided to receive 2nd dose elsewhere and 
wanted to withdraw. 
C4591001 1139 
11391235/ 
Placebo 3 1 15FEB2021 VACCINATION OTHER Crossed over to Visit 101 
C4591001 1139 
11391261/ 
BNT162b2 (30 
μg) 2 183 03AUG2021 FOLLOW-UP OTHER Participant enrolled in C4591031 
C4591001 1139 
11391262/ 
BNT162b2 (30 
μg) 2 182 04AUG2021 FOLLOW-UP OTHER Participant enrolled in C4591031 
C4591001 1139 
11391263/ 
Placebo 3 1 19FEB2021 VACCINATION OTHER Crossed-over 
C4591001 1140 
11401346/ 22DEC2020 FOLLOW-UP NO LONGER MEETS 
ELIGIBILITY CRITERIA SUBJECT TO BE DISCONTINUED DUE TO 
UNABLE TO OBTAIN SPECIMEN
090177e1988b770d\Final\Final On: 09-Nov-2021 04:11 (GMT) 
Page 13
FDA-CBER-2022-5812-0224544
16.2.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
All Subjects 12 Through 15 Years of Age 
Subject/ 
Vaccine Group 
(as Randomized) Dose
No.  Rel 
Daya Withdrawal
Date Study Phase  Withdrawal Reason       Commentb 
  
BNT162b2 (30 
μg) 
C4591001 1140 
11401350/ 
BNT162b2 (30 
μg) 2 182 13JUL2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN WITHDRAWAL BY PARENT/GUARDIAN 
C4591001 1140 
11401352/ 
BNT162b2 (30 
μg) 2 182 13JUL2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN WITHDRAWAL BY PARENT/GUARDIAN 
C4591001 1140 
11401357/ 
Placebo 2 124 14MAY2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN WITHDRAWAL BY PARENT/GUARDIAN 
C4591001 1140 
11401386/ 
BNT162b2 (30 
μg) 2 187 01AUG2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN WITHDRAWAL BY PARENT/GUARDIAN 
C4591001 1142 
11421333/ 
Placebo 2 217 11AUG2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN Subject withdrawn due to move 
C4591001 1147 
11471280/ 
Placebo 1 50 22FEB2021 VACCINATION NO LONGER MEETS 
ELIGIBILITY CRITERIA Treatment discontinued due to COVID Illness 
"exclusion 5" 
C4591001 1147 
11471327/ 
BNT162b2 (30 
μg) 1 4 08JAN2021 VACCINATION ADVERSE EVENT ADVERSE EVENT/PYREXIA 
C4591001 1150 
11501199/ 
Placebo 2 141 19MAY2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECT Subject does not want to complete mandatory nasal 
swabs required at revacci nation visits 101 and 102 
090177e1988b770d\Final\Final On: 09-Nov-2021 04:11 (GMT) 
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FDA-CBER-2022-5812-0224545
16.2.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
All Subjects 12 Through 15 Years of Age 
Subject/ 
Vaccine Group 
(as Randomized) Dose
No.  Rel 
Daya Withdrawal
Date Study Phase  Withdrawal Reason       Commentb 
  
C4591001 1152 
11521635/ 
BNT162b2 (30 
μg) 2 185 30JUN2021 FOLLOW-UP PROTOCOL DEVIATION Subject no longer willing to comply with study 
requirements. 
C4591001 1152 
11521640/ 
BNT162b2 (30 
μg) 2 150 26MAY2021 FOLLOW-UP OTHER Subject moved out of state.  Pfizer could not provide 
transfer site. 
C4591001 1152 
11521641/ 
BNT162b2 (30 
μg) 1 54 29JAN2021 VACCINATION PHYSICIAN DECISION PHYSICIAN DECISION 
  1 171 26MAY2021 FOLLOW-UP OTHER Subject moved out of state.  Pfizer could not provide 
transfer site.
C4591001 1152 
11521650/ 
BNT162b2 (30 
μg) 2 218 02AUG2021 FOLLOW-UP OTHER To participate in the C4591031 Booster Study 
C4591001 1152 
11521698/ 
Placebo 2 131 18MAY2021 FOLLOW-UP PROTOCOL DEVIATION Received nonstudy C OVID-19 Vaccine 
C4591001 1152 
11521726/ 
Placebo 2 149 15JUN2021 FOLLOW-UP PROTOCOL DEVIATION Received nonstudy COVID-1 9 vaccine, withdrawn from 
study. 
C4591001 1152 
11521747/ 
Placebo 3 68 26JUL2021 FOLLOW-UP PROTOCOL DEVIATION Received nonstudy C OVID-19 Vaccine 
C4591001 1152 
11521751/ 
Placebo 2 106 18MAY2021 FOLLOW-UP PROTOCOL DEVIATION Received nonstudy C OVID-19 Vaccine 
090177e1988b770d\Final\Final On: 09-Nov-2021 04:11 (GMT) 
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16.2.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
All Subjects 12 Through 15 Years of Age 
Subject/ 
Vaccine Group 
(as Randomized) Dose
No.  Rel 
Daya Withdrawal
Date Study Phase  Withdrawal Reason       Commentb 
  
C4591001 1152 
11521754/ 
Placebo 2 110 21MAY2021 FOLLOW-UP PROTOCOL DEVIATION Received nonstudy C OVID-19 Vaccine 
C4591001 1156 
11561316/ 
Placebo 2 73 10MAR2021 VACCINATION PROTOCOL DEVIATION SUBJECT CAN NOT BE REACHED VIA PHONE. 
CERTIFIED LETTER SENT. SUBJECT CONTINUES 
TO COMPLETE eDIARY.
  2 130 06MAY2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECTWITHDRAWAL OF CONSENT. 
C4591001 1156 
11561320/ 
Placebo 2 34 25JAN2021 VACCINATION WITHDRAWAL BY 
SUBJECT SUBJECT AND FATHER STATED THAT THEY NO 
LONGER WISHED TO PARTICIPATE IN THE 
TRIAL.
  2 34 25JAN2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN SUBJECT AND FATHER STATED THAT THEY NO 
LONGER WISHED TO PARTICIPATE IN THE 
TRIAL.
C4591001 1156 
11561336/ 
Placebo 2 149 08JUN2021 FOLLOW-UP NO LONGER MEETS 
ELIGIBILITY CRITERIA SUBJECT NO LONGER MEETS ELIGIBILITY 
BECAUSE THEY RECEIVED VACCINE OUTSIDE 
OF STUDY.
C4591001 1156 
11561353/ 
Placebo 3 54 09JUL2021 OPEN LABEL 
TREATMENT PROTOCOL DEVIATION VACCINATED OFF SITE 
C4591001 1156 
11561359/ 
Placebo 3 48 30JUN2021 OPEN LABEL 
TREATMENT PROTOCOL DEVIATION SUBJECT WAS VACCINATED OFF SITE. 
C4591001 1156 
11561365/ 
Placebo 2 190 09AUG2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN WITHDRAWAL BY PARENT/GUARDIAN 
C4591001 1156 
11561366/ 
BNT162b2 (30 
μg) 2 190 09AUG2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN WITHDRAWAL BY PARENT/GUARDIAN 
090177e1988b770d\Final\Final On: 09-Nov-2021 04:11 (GMT) 
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FDA-CBER-2022-5812-0224547
16.2.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
All Subjects 12 Through 15 Years of Age 
Subject/ 
Vaccine Group 
(as Randomized) Dose
No.  Rel 
Daya Withdrawal
Date Study Phase  Withdrawal Reason       Commentb 
  
C4591001 1156 
11561368/ 
BNT162b2 (30 
μg) 2 178 28JUL2021 FOLLOW-UP OTHER PARTICIPANT ENROLLED IN C4591031 
C4591001 1156 
11561375/ 
Placebo 2 107 19MAY2021 FOLLOW-UP WITHDRAWAL BY 
PARENT/GUARDIAN WITHDRAWAL BY PARENT/GUARDIAN 
C4591001 1270 
12701237/ 
Placebo 1 20 26JAN2021 VACCINATION NO LONGER MEETS 
ELIGIBILITY CRITERIA EC#55: Participant had a positive local COVID-19 test 
before Vx2, symptomatic with test 
  3 56 13JUL2021 FOLLOW-UP WITHDRAWAL BY 
SUBJECTSubject declines to participate in further study activities.
  
a.     Relative day (Rel Day) = date of withdrawal - date of la st vaccination + 1. For a withdrawal that occurred before the d ate of the first study 
vaccination, + 1 was not added to compute relative day. 
b.     MedDRA (v24.0) coding dictionary applied. 
PFIZER CONFIDENTIAL SDTM Creation: 05OCT2021 (17:30) Source Dat a: adds Table Generation: 08NOV2021 (17:11)  
(Data Cutoff Date: 02SEP2021, Database Snapshot Date: 27SEP2021 ) Output File: ./nda2 _unblinded/C4591001 _S_Peds/adds _l001_withd1 _ped6
 
090177e1988b770d\Final\Final On: 09-Nov-2021 04:11 (GMT) 
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