125742 45 S211 M5 c4591001 interim ado discontinued patients

Pfizer Documents (PHMPT/FDA)

Pfizer Bla Submission

Pfizer 12 15 Documents

33

Document text

16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
12-15 C4591001 
1006 
10061272  1 22 06JAN2021  VACCINATION  ADVERSE EVENT  ADVERSE EVENT/ANXIETY  
    1 22 06JAN2021  VACCINATION  ADVERSE EVENT  ADVERSE EVENT/DEPRESSION  
  C4591001 
1007 
10071409  1 10 31OCT2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  exclusion #5 meet  
  C4591001 
1007 
10071593  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 -study COVID vaccine prior to study 
end 
  C4591001 
1007 
10071622  1 22 20JAN2021  VACCINATION  OTHER  Participant had COVID -19 prior to second vaccine  
  C4591001 
1007 
10071642  1 22 25JAN2021  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  clinical or microbiological diagnosis of COVID -19 
  C4591001 
1008 
10081871  1 49 16FEB2021  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  subject tested positive for COVID 19  
  C4591001 
1008 
10081884  1 50 18FEB2021  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  subject tested positive for COVID 19  
  C4591001 
1008 
10081901  2 18 12FEB2021  VACCINATION  OTHER  the participant is willing/eligible to receive 
Vaccination 3  
  C4591001 
1009 
10091229  1 21 09NOV2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Covid positive between visit one and visit 2, 
exclusion #5  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 1
FDA-CBER-2022-5812-0223777
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
  C4591001 
1009 
10091338  1 19 01JAN2021  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  exclusion #5  
  C4591001 
1009 
10091363  1 11 27DEC2020  VACC INATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  has tested positive for COVID -19 
  C4591001 
1016 
10161316  1 17 01NOV2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  subject with positive covid -19 
  C4591001 
1016 
10161379  1 30 05FEB2021  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  subject with positive covid test  
  C4591001 
1044 
10441344  2 11 08FEB2021  VACCINATION  OTHER  transitioning to open label  
  C4591001 
1057 
10571413    
21DEC2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  DELAY CRITERIA MET  
      
21DEC2020  FOLLOW -UP NO LONGER MEETS 
ELIGIBILITY CRITERIA  DELAY CRITERIA MET  
  C4591001 
1057 
10571420  2 45 24FEB2021  VACCINATION  WITHDRAWAL BY 
PARENT/GUARDIAN  mother stated she didn't want him to do it anymore  
    2 45 24FEB2021  FOLLOW -UP WITHDRAWAL BY 
PARENT/GUARDIAN  mother stated she didn't want him to do it anymore  
  C4591001 
1066 
10661428  2 17 11FEB2021  VACCINATION  OTHER  subject unblinded for vax 3 per pro tocol  
  C4591001 
1077 
10771293    
18DEC2020  SCREENING  OTHER  SUBJECT WAS RANDOMIZED THE 
SUBSEQUENTLY UNABLE TO TOLERATE 
BLOOD DRAW.  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 2
FDA-CBER-2022-5812-0223778
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
      
18DEC2020  VACCINATION  REFUSED FURTHER 
STUDY PROCEDURES  REFUSED FURTHER STUDY PROCEDURES  
  C4591001 
1091 
10911414  1 14 22DEC2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Tested positive for Covid (exclusion 5)  
  C4591001 
1091 
10911451    
04JAN2021  FOLLOW -UP OTHER  Subject was rescreened under #1462. Subject 
randomized in error.  
  C4591001 
1126 
11261287  1 15 30DEC2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Subject did not receive 2nd vaccine due to Covid 19 
disease.  
  C4591001 
1139 
11391235  2 19 15FEB2021  VACCINATION  OTHER  Crossed over to Visit 101  
  C4591001 
1139 
11391263  2 19 19FEB2021  VACCINATION  OTHER  Crossed -over 
  C4591001 
1140 
11401346    
22DEC2020  SCREENING  OTHER  DISCONTINUED  
      
22DEC2020  FOLLOW -UP NO LONGER MEETS 
ELIGIBILITY CRITERIA  SUBJECT TO BE DISCONTINUED DUE TO 
UNABLE TO OBTAIN SPECIMEN  
  C4591001 
1147 
11471327  1 4 08JAN2021  VACCINATION  ADVERSE EVENT  ADVERSE EVENT/PYREXIA  
  C4591001 
1156 
11561316  2 73 10MAR2021  VACCINATION  PROTOCOL DEVIATION  SUBJECT CAN NOT BE REACHED VIA PHONE. 
CERTIFIED LETTER SENT. SUBJECT 
CONTINUES TO COMPLETE eDIARY.  
  C4591001 
1156 
11561320  2 34 25JAN2021  VACCINATION  WITHDRAWAL BY 
SUBJECT  SUBJECT AND FATHER STATED THAT THEY 
NO LONGER WISHED TO PARTICIPATE IN THE 
TRIAL.  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 3
FDA-CBER-2022-5812-0223779
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
  C4591001 
1270 
12701237  1 20 26JAN2021  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  EC#55: Participant had a positive local COVID -19 
test before Vx2, symptomatic with t est 
16-25 C4591001 
1001 
10011125  1 37 09SEP2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  Withdrew consent and decided not to continue in 
study.  
    1 37 09SEP2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  patient withdrew consent  
  C4591001 
1005 
10051238  2 65 06JAN2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  SUBJECT WAS UNBLINDED AND FOUND OUT 
HE RECEIVED PLACEBO. HE DECIDED TO 
WITHDRAW  
  C4591001 
1005 
10051341  1 2 22OCT2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  subject tested CO VID positive between visits 1 and 2  
  C4591001 
1006 
10061174  2 113 22FEB2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Inclusion 2  
  C4591001 
1007 
10071556  2 29 26JAN2021  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Exclusion #12; received COVID vaccine outside of 
study 
    2 29 26JAN2021  FOLLOW -UP PROTOCOL DEVIATION  Receipt of non -study COVID vaccine prior to study 
end 
  C4591001 
1008 
10081480  2 115 04FEB2021  FOLLOW -UP LOST TO FOLLOW -UP site unable to make contact with subject despite 
numerous attempts  
  C4591001 
1009 
10091235  2 107 25FEB2021  REPEAT 
SCREENING 1  OTHER  Visit 101 delayed due to recent vaccination  
  C4591001 
1009 
10091257  1 10 05NOV2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  positive for COVID -19 
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 4
FDA-CBER-2022-5812-0223780
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
  C4591001 
1009 
10091286  2 13 04JAN2021  VACCINATION  OTHER  subject transitioned to open prior to visit 3  
  C4591001 
1013 
10131395  2 45 04NOV2020  VACCINATION  LOST TO FOLLOW -UP ATTEMPTED TO CONTACT.  
    2 45 04NOV2020  FOLLOW -UP LOST TO FOLLOW -UP UNABLE TO CONTACT SUBJECT AFTER 
MULTIPLE ATTEMPTS.  
  C4591001 
1013 
10131592  2 31 11NOV2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  subject withdrew consent from study.  
    2 31 11NOV2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  MOVED OUT OF STATE NO LONGER WANTED 
TO PARTICIPATE.  
  C4591001 
1013 
10131683  2 129 10MAR2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  SUBJECT DID NOT WISH TO CONTINUE IN 
STUDY.  
  C4591001 
1013 
10131740    
15OCT2020  FOLLOW -UP OTHER  randomized in error, needed to wait until course of 
antibiotics was done.  
  C4591001 
1016 
10161348  1 10 14NOV2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  subject had positive pcr covid test  
  C4591001 
1018 
10181054  1 39 11SEP2020  VACCINATION  LOST TO FOLLOW -UP patient returned to home country, did not respond to 
outreach, certified letter sent  
    1 39 11SEP2020  FOLLOW -UP LOST TO FOLLOW -UP subject returned to home country, according to call to 
emergency contact  
  C4591001 
1018 
10181335  2 104 24FEB2021  VACCINATION  PHYSICIAN DECISION  PHYSICIAN DECISION  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 5
FDA-CBER-2022-5812-0223781
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
    2 104 24FEB2021  FOLLOW -UP PHYSICIAN DECISION  PHYSICIAN DECISION  
  C4591001 
1028 
10281294  1 7 04NOV2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  patient had positive covid test prior to V2  
  C4591001 
1036 
10361011  1 1 20AUG2020  VACCINATION  LOST TO FOLLOW -UP Lost to follow up  
    1 1 20AUG2020  FOLLOW -UP LOST TO FOLLOW -UP Lost to follow up  
  C4591001 
1036 
10361032  2 48 03NOV2020  VACCINATION  LOST TO FOLLOW -UP unreachable  
    2 48 03NOV2020  FOLLOW -UP LOST TO FOLLOW -UP unreachable  
  C4591001 
1036 
10361061  2 155 22FEB2021  FOLLOW -UP LOST TO FOLLOW -UP Lost to follow -up 
  C4591001 
1036 
10361062  2 136 03FEB2021  FOLLOW -UP LOST TO FOLLOW -UP Subject didn't return for Convalescent visit & 
multiple attempts to contact have been unsuccessful  
  C4591001 
1036 
10361073  2 151 22FEB2021  FOLLOW -UP LOST TO FOLLOW -UP Lost to follow -up 
  C4591001 
1037 
10371078  1 44 08OCT2020  VACCINATION  LOST TO FOLLOW -UP SITE ATTEMPTED CONTACT ON 22 SEP 30 SEP 
AND CERTIFIED LETTER SENT 8 OCT NO 
RESPONSE  
    1 44 08OCT2020  FOLLOW -UP LOST TO FOLLOW -UP CERTIFIED LETTER SENT 8 ONT. PT DID NOT 
RESPOND  
  C4591001 
1039 
10391093  2 137 08FEB2021  FOLLOW -UP LOST TO FOLLOW -UP Contacted multiple times via phone and email, and 
was sent certified letter, all with no response  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 6
FDA-CBER-2022-5812-0223782
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
  C4591001 
1039 
10391244  1 13 23NOV2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Patient tested positive for COVID -19. 
  C4591001 
1042 
10421112  2 111 28DEC2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  withdrew consent  
  C4591001 
1044 
10441287  1 19 29DEC2020  VACCINATION  OTHER  subject proceeded to open label prior to Vax2 in the 
blinded treatment phase.  
  C4591001 
1048 
10481088  2 49 12NOV2020  VACCINATION  OTHER  out of state at time of visit 3  
  C4591001 
1052 
10521054  1 25 21SEP2020  VACCINATION  LOST TO FOLLOW -UP n/a 
    1 25 21SEP2020  FOLLOW -UP LOST TO FOLLOW -UP lost to follow up  
  C4591001 
1052 
10521064  1 25 24SEP2020  VACCINATION  LOST TO FOLLOW -UP n/a 
    1 25 24SEP2020  FOLLOW -UP LOST TO FOLLOW -UP lost of follow up  
  C4591001 
1052 
10521080  1 28 29SEP2020  VACCINATION  LOST TO FOLLOW -UP lost of follow up  
    1 28 29SEP2020  FOLLOW -UP LOST TO FOLLOW -UP lost of follow up  
  C4591001 
1054 
10541007  2 130 15JAN2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  unblinding of subject occurred due to future non -
study covid -19 vaccination  
  C4591001 
1054 
10541022  1 64 23OCT2020  VACCINATION  LOST TO FOLLOW -UP Pt deemed LTFU by site.  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 7
FDA-CBER-2022-5812-0223783
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
    1 64 23OCT2020  FOLLOW -UP LOST TO FOLLOW -UP Pt deemed LTFU by site.  
  C4591001 
1054 
10541165  2 47 24NOV2020  VACCINATION  LOST TO FOLLOW -UP Subj. did not show up for V3, despite sending 
certified letter and contacting pt via phone 3 times.  
    2 47 24NOV2020  FOLLOW -UP LOST TO FOLLOW -UP Subj. did not  show up for V3, despite sending 
certified letter and contacting pt via phone 3 times.  
  C4591001 
1056 
10561392  2 73 13JAN2021  VACCINATION  LOST TO FOLLOW -UP Subject was discontinued from study after several 
unsuccessful TC and a Certified Letter.  
    2 73 13JAN2021  FOLLOW -UP LOST TO FOLLOW -UP Subject was discontinued from study after several 
unsuccessful TC and a Certified Letter.  
  C4591001 
1056 
10561511  2 103 12FEB2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Subject informed us he no longer wanted to continue 
in the study.  
  C4591001 
1056 
10561554  1 86 13JAN2021  VACCINATION  LOST TO FOLLOW -UP Subject was discontinued from study after several 
unsuccessful TC and a Certified Letter.  
    1 86 13JAN2021  FOLLOW -UP LOST TO FOLLOW -UP Subject was discontinued from study after several 
unsuccessful TC and a Certified Letter.  
  C4591001 
1056 
10561592  2 81 18FEB2021  VACCINATION  LOST TO FOLLOW -UP After many attempts to contact subject, Investigator 
decided to discontinue Pt. as a LTFU  
    2 81 18FEB2021  FOLLOW -UP LOST TO FOLLOW -UP After many attempts to contact subject, Investigator 
decided to discontinue Pt. as a LTFU  
  C4591001 
1057 
10571211    
18SEP2020  FOLLOW -UP NO LONGER MEETS 
ELIGIBILITY CRITERIA  subject was randomized but failed to meet entry 
criteria, no vaccine was given  
  C4591001 
1057 
10571216  2 30 10NOV2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  MOVED TO SAN FRANCISCO  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 8
FDA-CBER-2022-5812-0223784
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
    2 30 10NOV2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  MOVED TO SAN FRANCISCO  
  C4591001 
1057 
10571230  2 56 23DEC2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  PERSONAL REASONS  
    2 56 23DEC2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  PERSONAL REASONS  
  C4591001 
1057 
10571248  1 36 30OCT2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  subject refused to return for Visit 2, withdrew 
consent, No adverse events reported  
    1 36 30OCT2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  subject withdrew consent from further study 
participation  
  C4591001 
1057 
10571319  2 47 28DEC2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  withdrew consent due to transportation issues  
    2 47 28DEC2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  withdrew consent due to transportation issues  
  C4591001 
1066 
10661396  1 22 22DEC2020  VACCINATION  OTHER  unblinded to assess  eligibility for vaccination  
  C4591001 
1073 
10731038  1 37 10SEP2020  VACCINATION  LOST TO FOLLOW -UP Subject was Discontinue  
    1 37 10SEP2020  FOLLOW -UP LOST TO FOLLOW -UP Discontinue  
  C4591001 
1073 
10731067  2 157 05FEB2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Subject Withdrew Consent  
  C4591001 
1079 
10791253  1 67 13NOV2020  VACCINATION  LOST TO FOLLOW -UP patient unresponsive  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 9
FDA-CBER-2022-5812-0223785
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
    1 67 13NOV2020  FOLLOW -UP LOST TO FOLLOW -UP patient unresponsive  
  C4591001 
1080 
10801019  2 155 01FEB2021  FOLLOW -UP PROTOCOL DEVIATION  Patient received vaccine outside of the study.  
  C4591001 
1080 
10801055  2 105 21DEC2020  FOLLOW -UP PROTOCOL DEVIATION  Patient was vaccinated for COVID by her employer 
prior to being unblinded  
  C4591001 
1084 
10841512  2 119 09MAR2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  subject will not be available for follow -up 
appointments.  
  C4591001 
1085 
10851081  2 87 30NOV2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  Subject no longer interested in the study.  
    2 87 30NOV2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Site received call call from patient stating she was no 
longer interested in the study.  
  C4591001 
1085 
10851244  2 97 30DEC202 0 FOLLOW -UP PROTOCOL DEVIATION  Received vaccine elsewhere  
  C4591001 
1087 
10871089  1 19 04SEP2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Exclusion Criteria #5  
  C4591001 
1087 
10871279  2 156 23FEB2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Subject is unwilling to return for vaccine if in the 
placebo group.  
  C4591001 
1087 
10871354  1 10 17SEP2020  VACCINATION  ADVERSE EVENT  ADVERSE EVENT/MYALGIA  
    1 10 17SEP2020  FOLLOW -UP ADVERSE EVENT  ADVERSE EVENT/MYALGIA  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 10
FDA-CBER-2022-5812-0223786
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
  C4591001 
1087 
10871356  1 54 31OCT2020  VACCINATION  LOST TO FOLLOW -UP Lost to follow up.  
    1 54 31OCT2020  FOLLOW -UP LOST TO FOLLOW -UP Lost to follow up.  
  C4591001 
1087 
10871363  2 56 23NOV2020  VACCINATION  LOST TO FOLLOW -UP lost to follow up  
    2 56 23NOV2020  FOLLOW -UP LOST TO FOLLOW -UP Lost to follow up.  
  C4591001 
1089 
10891179  2 157 18FEB2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  subject moved, withdrew consent  
  C4591001 
1090 
10901328  2 63 25NOV2020  VACCINATION  LOST TO FOLLOW -UP pt did not come for V3 and was unresponsive to calls 
and certified letter  
    2 63 25NOV2020  FOLLOW -UP LOST TO FOLLOW -UP Pt did not come for V3 and not responsive to calls or 
certified letter  
  C4591001 
1090 
109015 17 2 49 29DEC2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Subject requested to be unblinded before eligibility  
  C4591001 
1091 
10911122  2 169 16FEB2021  FOLLOW -UP PROTOCOL DEVIATION  Subject received moderna vaccine  
  C4591001 
1092 
10921055  2 138 29JAN2021  FOLLOW -UP LOST TO FOLLOW -UP Subject is lost to follow -up 
  C4591001 
1092 
10921128    
01SEP2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Pt withdrew consent due to anxiety of having blood 
drawn  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 11
FDA-CBER-2022-5812-0223787
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
  C4591001 
1093 
10931055    
31AUG2020  FOLLOW -UP NO LONGER MEETS 
ELIGIBILITY CRITERIA  UNABLE TO OBTAIN BLOOD FROM SUBJECT.  
  C4591001 
1093 
10931058  1 25 18SEP2020  VACCINATION  PREGNANCY  PREGNANCY/EXPOSURE DURING 
PREGNANCY  
    1 77 09NOV2020  FOLLOW -UP LOST TO FOLLOW -UP Subject was lost to follow up./EXPOSURE DURING 
PREGNANCY  
  C4591001 
1093 
10931072  1 81 14NOV2020  VACCINATION  LOST TO FOLLOW -UP SUBJECT WAS SENT A CERTIFIED LETTER 
AND WAS UNABLE TO BE CONTACTED 
MULTIPLE TIMES.  
    1 81 14NOV2020  FOLLOW -UP LOST TO FOLLOW -UP SUBJECT WAS SENT A CERTIFIED LETTER 
AND WAS UNABLE TO BE CONTACTED 
MULTIPLE TIMES.  
  C4591001 
1094 
10941169  2 120 23FEB2021  FOLLOW -UP PROTOCOL DEVIATION  subject received the non study covid 19 vaccine 
before being discontinued or withdra wing from study  
  C4591001 
1095 
10951056  1 35 08SEP2020  VACCINATION  OTHER  not able to meet study requirements due to work 
schedule  
    1 35 08SEP2020  FOLLOW -UP OTHER  Participant not able to continue in study at this time. 
Participant did not withdraw consent  
  C4591001 
1095 
10951271  2 1 28OCT2020  VACCINATION  LOST TO FOLLOW -UP certified letter sent  
    2 1 28OCT2020  FOLLOW -UP LOST TO FOLLOW -UP certified letter sent  
  C4591001 
1096 
10961031  1 22 04SEP2020  VACCINATION  PREGNANCY  PREGNANCY/EXPOSURE DURING 
PREGNANCY  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 12
FDA-CBER-2022-5812-0223788
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
  C4591001 
1096 
10961081  1 54 12OCT2020  VACCINATION  LOST TO FOLLOW -UP LTFU, unresponsive to contact attempts  
    1 54 12OCT2020  FOLLOW -UP LOST TO FOLLOW -UP site unable to contact subject after multiple attempts 
and certified letter sent  
  C4591001 
1096 
10961141  1 22 16SEP2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Exclusion criteria #5  
  C4591001 
1096 
10961321  1 22 03OCT2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  subject met exclusion #1 on visit 2 (suicidal ideation) 
so no vaccine was administered  
  C4591001 
1096 
10961388  1 21 29OCT2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  subject was diagnosed with COVID between 
vaccination one and vaccination two  
  C4591001 
1098 
10981200  1 46 05NOV2020  VACCINATION  LOST TO FOLLOW -UP Subject called multiple times and certified letter was 
sent. No response from subject  
    1 46 05NOV2020  FOLLOW -UP LOST TO FOLLOW -UP Subject called multiple times and certified letter was 
sent. No response from subject.  
  C4591001 
1098 
10981243  2 139 08MAR2021  FOLLOW -UP LOST TO FOLLOW -UP Discontinued  
  C4591001 
1098 
10981244  2 84 12JAN2021  FOLLOW -UP LOST TO FOLLOW -UP Subject has been discontinued due to lost of 
followup.  
  C4591001 
1109 
11091030  2 37 23SEP2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  SUBJECT CALLED TO WITHDRAW FROM 
TRIAL DUE TO TRANSPORTATION ISSUES AS 
WELL AS BEING TO BUSY.  
    2 37 23SEP2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  SUBJECT CALLED TO WITHDRAW FROM 
TRIAL DUE TO TRANSPORTATION ISSUES AS 
WELL AS BEING TO BUSY.  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 13
FDA-CBER-2022-5812-0223789
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
  C4591001 
1109 
11091059  1 40 08SEP2020  VACCINATION  LOST TO FOLLOW -UP SUBJECT NEVER RETURNED PHONE CALLS 
OR RESPOND TO CERTIFIED LETTER. 
    1 40 08SEP2020  FOLLO W-UP LOST TO FOLLOW -UP SUBJECT NEVER RETURNED PHONE CALLS 
OR RESPOND TO CERTIFIED LETTER.  
  C4591001 
1109 
11091335  1 43 07OCT2020  VACCINATION  LOST TO FOLLOW -UP SUBJECT NEVER RESPONDED TO MULTIPLE 
CALLS AND CERTIFIED LETTER SENT TO HER  
    1 43 07OCT2020  FOLLOW -UP LOST TO FOLLOW -UP SUBJECT NEVER RESPONDED TO MULTIPLE 
CALLS AND CERTIFIED LETTER SENT TO HER  
  C4591001 
1109 
11091515  1 30 14OCT2020  VACCINATION  LOST TO FOLLOW -UP Subject never returned for visit, responded to call or 
certified letter sent.  
    1 30 14OCT2020  FOLLOW -UP LOST TO FOLLOW -UP Subject never returned for visit, responded to call or 
certified letter sent.  
  C4591001 
1110 
11101010  2 63 22OCT2020  VACCINATION  LOST TO FOLLOW -UP Subject did not comply with inclusion criteria #2.  
    2 63 22OCT2020  FOLLOW -UP LOST TO FOLLOW -UP Subject did not comply with inclusion criteria #2.  
  C4591001 
1110 
11101038  1 35 08SEP2020  VACCINATION  LOST TO FOLLOW -UP Subject was contact over the phone 3 times and a 
certified letter was sent. Subject never reply.  
    1 35 08SEP2020  FOLLOW -UP LOST TO FOLLOW -UP Lost to follow is status, subject has been withdrawn 
from trial.  
  C4591001 
1110 
11101039  1 35 08SEP2020  VACCINATION  LOST TO FOLLOW -UP subject failed to contact site after many calls and 
certified letter.  
    1 35 08SEP2020  FOLLOW -UP LOST TO FOLLOW -UP Subject did not respond to many phones calls from 
site and did not respond to certified letter fromi  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 14
FDA-CBER-2022-5812-0223790
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
  C4591001 
1110 
11101085  1 58 08OCT2 020 VACCINATION  LOST TO FOLLOW -UP Subject was tried to contact by phone, text, email and 
certified letter several times.  
    1 58 08OCT2020  FOLLOW -UP LOST TO FOLLOW -UP we did 4 phone call attempts, 1 text message, 1 email 
and a certified letter.  
  C4591001 
1110 
11101110  1 22 08SEP2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  Subject withdrew consent  
    1 22 08SEP2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  subject withdrew consent  
  C4591001 
1110 
11101156  1 96 01DEC2020  VACCINATION  LOST TO FOLLOW -UP Subject was attempt to contact by 2 text messages, 1 
certified letter, 1 email and 8 phone call.  
    1 96 01DEC2020  FOLLOW -UP LOST TO FOLLOW -UP Subject was attempt to contact by 2 text  messages, 1 
certified letter, 1 email and 8 phone call.  
  C4591001 
1110 
11101380  2 38 29JAN2021  VACCINATION  WITHDRAWAL BY 
PARENT/GUARDIAN  Parent discontinue subject because he states subject is 
too busy with school.  
    2 38 29JAN2021  FOLLOW -UP WITHDRAWAL BY 
PARENT/GUARDIAN  Parent discontinued subject because he states subject 
is too busy with school.  
  C4591001 
1112 
11121058  1 22 25AUG202 0 VACCINATION  OTHER   
    1 22 25AUG2020  FOLLOW -UP OTHER   
  C4591001 
1112 
11121229    
04SEP2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  subject left clinic after randomization and prior to 
vaccination  
  C4591001 
1116 
11161292  1 52 14NOV2020  VACCINATION  LOST TO FOLLOW -UP Contact attempts 16OCT 22OCT 23OCT 3NOV 
4NOV 9NOV 10NOV 
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 15
(b) (6)
(b) (6)
FDA-CBER-2022-5812-0223791
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
    1 52 14NOV2020  FOLLOW -UP LOST TO FOLLOW -UP Contact attempts 16OCT 22OCT 23OCT 3NOV 
4NOV 9NOV 10NOV  
  C4591001 
1116 
11161322  2 55 07DEC2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  SUBJECT WITHDREW FROM STUDY  
    2 55 07DEC2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Subject withdrew consent  
  C4591001 
1117 
11171138  2 31 17DEC2020  VACCINATION  PROTOCOL DEVIATION  COULD NOT GET PARTICIPANT SCHEDULED 
FOR V3  
  C4591001 
1120 
11201038    
29OCT2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Subject withdraw consent  
  C4591001 
1120 
11201240  2 163 20FEB2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  subject is moving out of town  
  C4591001 
1121 
11211009  2 40 22OCT2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  Subject withdrew due to busy schedule.  
    2 40 22OCT2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Subject withdrew consent due to busy schedule. Does 
not want to be FU  
  C4591001 
1121 
11211010  2 180 11MAR2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Subject asked to be withdrawn then hung up. 
Attempted to reach her again, she answered then 
hung up.  
  C4591001 
1121 
11211067  2 100 30DEC2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Subject withdrew consent to receive vaccine at work.  
  C4591001 
1122 
11221026    
11SEP2020  FOLLOW -UP ADVERSE EVENT  ADVERSE EVENT/PRESYNCOPE  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 16
FDA-CBER-2022-5812-0223792
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
      
11SEP2020  FOLLOW -UP ADVERSE EVENT  ADVERSE EVENT/VOMITING  
  C4591001 
1123 
11231027    
04AUG2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  subject withdrew consent after randomization prior to 
vaccination.  
  C4591001 
1123 
11231051  2 43 08OCT2020  VACCINATION  OTHER  moved to hawaii  
    2 43 08OCT2020  FOLLOW -UP OTHER  Moved to Hawaii  
  C4591001 
1123 
11231069  2 190 09MAR2021  FOLLOW -UP LOST TO FOLLOW -UP Certified letter sent. Left voicemail with the patient.  
  C4591001 
1123 
11231154  1 73 04NOV2020  VACCINATION  LOST TO FOLLOW -UP no response from subject after certified letter  
    1 73 04NOV2020  FOLLOW -UP LOST TO FOLLOW -UP no response from subject after certified letter  
  C4591001 
1124 
11241038  2 106 16DEC2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Subject withdrew to receive Covid -19 at workplace  
  C4591001 
1124 
11241049  1 26 11SEP2020  VACCINATION  LOST TO FOLLOW -UP Subject not responding to any phone calls, certified 
letter sent 
    1 26 11SEP2020  FOLLOW -UP LOST TO FOLLOW -UP Subject not responding to any phone calls, certified 
letter sent  
  C4591001 
1124 
11241141  2 64 24NOV2020  VACCINATION  LOST TO  FOLLOW -UP Lost to follow up after multiple calls and certified 
letter sent 
    2 64 24NOV2020  FOLLOW -UP LOST TO FOLLOW -UP LOST TO FOLLOW -UP 
  C4591001 
1125 
11251059  2 76 24NOV2020  VACCINATION  LOST TO FOLLOW -UP Subject missed appt and diary entries. Multiple 
contact attempts with subject were not returned.  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 17
FDA-CBER-2022-5812-0223793
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
    2 76 24NOV2020  FOLLOW -UP LOST TO FOLLOW -UP Patient deemed lost to follow  
  C4591001 
1125 
11251142  2 154 24FEB2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  moved from the area no longer able to make visits  
  C4591001 
1125 
11251238  1 12 02NOV2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Patient tested positive for Covid -19, EXC #5  
  C4591001 
1125 
11251243  1 2 09DEC2020  VACCINATI ON ADVERSE EVENT  ADVERSE EVENT/HEADACHE  
    1 2 09DEC2020  VACCINATION  ADVERSE EVENT  ADVERSE EVENT/INJECTION SITE PAIN  
  C4591001 
1127 
11271078  2 137 11JAN2021  FOLLOW -UP LOST TO FOLLOW -UP Lost to followup  
  C4591001 
1127 
11271099  1 22 09SEP2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Subject tested positive and symptoms for COVID  
  C4591001 
1128 
11281177  2 113 19JAN2021  FOLLOW -UP PROTOCOL DEVIATION  SUBJECT RECEIVED COVID -19 VACCINE 
OUTSIDE OF STUDY  
  C4591001 
1129 
11291048    
04AUG2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  screen fail  
      
04AUG2020  FOLLOW -UP PROTOCOL DEVIATION  violation exclusion criteria 2.f. immunocompromised. 
randomized but not dosed  
  C4591001 
1129 
11291260  2 44 27JAN2021  OPEN LABEL 
TREATMENT  ADVERSE EVENT  ADVERSE EVENT/ANAPHYLACTOID 
REACTION  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 18
FDA-CBER-2022-5812-0223794
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
  C4591001 
1133 
11331037  1 27 26AUG2020  VACCINATION  WITHDRAWAL B Y 
SUBJECT  Subject withdrew consent.  
    1 27 26AUG2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  SUBJECT WITHDREW CONSENT  
  C4591001 
1133 
11331047  2 8 31AUG2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  Subject does not want to continue in the study  
    2 8 31AUG2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  SUBJECT WITHDREW CONSENT  
  C4591001 
1133 
11331135  2 166 16FEB2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Subject withdrew consent after unblinding. 
Requested time to think about it. Made decision on 
16/FEB  
  C4591001 
1133 
11331207  1 43 30SEP2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  SUBJECT WITHDREW CONSENT  
    1 43 30SEP2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Subject withdrew consent  
  C4591001 
1133 
11331480  2 127 23FEB2021  FOLLOW -UP LOST TO FOLLOW -UP CERTIFIED LETTER SENT 08/FEB/2021  
  C4591001 
1133 
11331647  2 31 23DEC2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Subject leaving and does not want to come in for any 
future visits.  
  C4591001 
1135 
11351199  1 39 01OCT2020  VACCINATION  LOST TO FOLLOW -UP Lost to follow up, certified letter sent to patient.  
    1 39 01OCT2020  FOLLOW -UP LOST TO FOLLOW -UP subject lost to follow -up, certified letter sent  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 19
FDA-CBER-2022-5812-0223795
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
  C4591001 
1135 
11351428  1 27 19OCT2020  VACCINATION  LOST TO FOLLOW -UP subject contact attempted several times and certified 
letter was sent on 19OCT2020  
    1 27 19OCT2020  FOLLOW -UP LOST TO FOLLOW -UP subject contact attempted several times and certified 
letter was sent on 19OCT2020  
  C4591001 
1141 
11411077  2 118 04JAN2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  subject withdrew to receive EUA vaccine outside of 
the study.  
  C4591001 
1146 
11461140  2 178 13MAR2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  subject withdrew  
  C4591001 
1149 
11491332  2 23 03DEC2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  subject moved out of State and will not be able to 
committee to follow -ups 
    2 23 03DEC2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Subject moved out of state and withdrew from study.  
  C4591001 
1152 
11521030  1 22 02SEP2020  VACCINATION  PHYSICIAN DECISION  PHYSI CIAN DECISION  
  C4591001 
1152 
11521208  2 81 04DEC2020  VACCINATION  PROTOCOL DEVIATION  Non-compliant with attending study visits.  
    2 115 07JAN2021  FOLLOW -UP PHYSICIAN DECISION  PHYSICIAN DECISION  
  C4591001 
1156 
11561015  1 39 28SEP2020  VACCINATION  PREGNANCY  PREGNANCY/EXPOSURE DURING 
PREGNANCY  
  C4591001 
1157 
11571077  2 30 14OCT2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  Subject W/C due to moving  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 20
FDA-CBER-2022-5812-0223796
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
    2 30 14OCT2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Voluntary withdrawal not due to an AE or SAE  
  C4591001 
1161 
11611006  1 111 18NOV2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  Subject chose to withdraw from study  
    1 111 18NOV2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Subject chose to withdraw from study.  
  C4591001 
1161 
11611007  1 103 10NOV2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  No longer meets an eligibility criteria per exclusion 
#5. VAX2 is not given but FUP will be complete  
    1 146 23DEC2020  FOLLOW -UP LOST TO FOLLOW -UP unable to contact, certified letter was sent and no 
response.  
  C4591001 
1161 
11611008  1 103 10NOV2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Exclusion criterion 5  
  C4591001 
1161 
11611010  1 134 11DEC2020  VACCINATION  PHYSICIAN DECISION  PHYSICIAN DECISION  
    1 216 03MAR2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  subject stated he did not want to continue in study.  
  C4591001 
1161 
11611018  1 115 23NOV2020  VACCINATION  LOST TO FOLLOW -UP multiple calls and cert. letter sent. No response from 
subject.  
    1 115 23NOV2020  FOLLOW -UP LOST TO FOLLOW -UP multiple calls and certified letter sent. no response 
from subject  
  C4591001 
1161 
11611023  1 72 13OCT2020  VACCINATION  LOST TO FOLLOW -UP subject had several contact attempts by site along 
with certified letter. Unable to contact subject.  
    1 72 13OCT2020  FOLLOW -UP LOST TO FOLLOW -UP cert. letter sent and signed by subject. unable to 
contact and subject has not called sit e. 
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 21
FDA-CBER-2022-5812-0223797
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
  C4591001 
1161 
11611024  1 107 17NOV2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  unable to contact subject. certified letter returned, no 
response from subject  
    1 107 17NOV2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  subject did not want to continue in study  
  C4591001 
1161 
11611028  2 83 02FEB2021  FOLLOW -UP LOST TO FOLLOW -UP 3 phone call attempts and certified letter sent with no 
response.  
  C4591001 
1162 
11621005  1 32 31AUG2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  The subject prematurely withdrew from study.  
    1 32 31AUG2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  subject prematurely withdrawn from study.  
  C4591001 
1162 
11621044  2 194 09MAR2021  FOLLOW -UP LOST TO FOLLOW -UP Lost to follow -up 
  C4591001 
1162 
11621074  2 73 13NOV2020  VACCINATION  LOST TO FOLLOW -UP subject LTFU after multiple contact attempts.  
    2 73 13NOV2020  FOLLOW -UP LOST TO FOLLOW -UP subject LTFU after multiple contact attempts.  
  C4591001 
1162 
11621080  2 64 04NOV2020  VACCINATION  LOST TO FOLLOW -UP Subject LTFU  
    2 64 04NOV2020  FOLLOW -UP LOST TO FOLLOW -UP Subject LTFU  
  C4591001 
1162 
11621310  1 60 06NOV2020  VACCINATION  LOST TO FOLLOW -UP Subject LTFU  
    1 60 06NOV2020  FOLLOW -UP LOST TO FOLLOW -UP Subject LTFU  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 22
FDA-CBER-2022-5812-0223798
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
  C4591001 
1162 
11621374  1 54 06NOV2020  VACCINATION  LOST TO FOLLOW -UP Subject LTFU  
    1 54 06NOV2020  FOLLOW -UP LOST TO FOLLOW -UP Subject LTFU after many contact attempts.  
  C4591001 
1162 
11621434  2 1 19OCT2020  VACCINATION  LOST TO FOLLOW -UP LOST TO FOLLOW -UP 
    2 1 19OCT2020  FOLLOW -UP LOST TO FOLLOW -UP LOST TO FOLLOW -UP 
  C4591001 
1167 
11671111  1 38 08OCT2020  VACCINATION  LOST TO FOLLOW -UP Subject is lost to follow up tried multiple calls and 
certified letter  
    1 38 08OCT2020  FOLLOW -UP LOST TO FOLLOW -UP no answer after multiple calls and sent certified letter  
  C4591001 
1167 
11671132  2 98 28DEC2020  FOLLOW -UP PROTOCOL DEVIATION  subject received out of study covid vaccine  
  C4591001 
1168 
11681212  2 1 15OCT2020  VACCINATION  OTHER  The visit was missed due to  pt working out of state. 
The subject will continue on in the study.  
  C4591001 
1168 
11681221  2 54 21DEC2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  subject chose to no longer participate, complete study 
procedures, or respond to follow up requests.  
    2 54 21DEC2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  subject chose to no longer participate, complete study 
procedures, or respond to follow up requests.  
  C4591001 
1168 
11681227  1 37 17NOV2020  VACCINATION  LOST TO FOLLOW -UP Subject LTF after several attempts to contact and 
certified letter sent 
    1 37 17NOV2020  FOLLOW -UP LOST TO FOLLOW -UP Subject LTF after several attempts to contact and 
certified letter sent  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 23
FDA-CBER-2022-5812-0223799
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
  C4591001 
1169 
11691014  2 104 04JAN2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Subject did not want to wait 28 days to receive study 
vaccine after receiving HPV vaccine 12/21/20  
  C4591001  
1169 
11691060  2 36 17NOV2020  VACCINATION  LOST TO FOLLOW -UP Lost to Follow Up  
    2 36 17NOV2020  FOLLOW -UP LOST TO FOLLOW -UP Lost to follow up  
  C4591001 
1170 
11701048  2 166 23FEB2021  FOLLOW -UP LOST TO FOLLOW -UP multiple attempts have been made to contact subject 
with no response  
  C4591001 
1170 
11701076  2 163 23FEB2021  FOLLOW -UP LOST TO FOLLOW -UP multiple attempts have been made to contact subject 
with no response  
  C4591001 
1170 
11701089  2 161 23FEB2021  FOLLOW -UP LOST TO FOLLOW -UP multiple attempts have been made to contact subject 
with no response  
  C4591001 
1170 
11701146  2 168 09MAR2021  FOLLOW -UP LOST TO FOLLOW -UP lost to follow up subject contacted multiple times for 
scheduling  
  C4591001 
1170 
11701311  1 33 16OCT2020  VACCINATION  LOST TO FOLLOW -UP Subject contacted multiple times, never responded.  
    1 33 16OCT2020  FOLLOW -UP LOST TO FOLLOW -UP lost to follow -up subjects subject didnt come for visit.  
  C4591001 
1170 
11701487  2 99 23FEB2021  FOLLOW -UP LOST TO FOLLOW -UP multiple attempts have been mad e to contact subject 
with no response  
  C4591001 
1170 
11701494  2 99 23FEB2021  VACCINATION  LOST TO FOLLOW -UP multiple attempts have been made to contact subject 
with no response  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 24
FDA-CBER-2022-5812-0223800
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
    2 99 23FEB2021  FOLLOW -UP LOST TO FOLLOW -UP multiple attempts have been made to contact subject 
with no response  
  C4591001 
1195 
11951029  2 78 20JAN2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  the upcoming visits is to stressful for the patient at 
this time.  
  C4591001 
1195 
11951061  1 21 06NOV2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  patient withdrawal consent. she is afraid about the 
second vaccination  
    1 21 06NOV2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  patient is afraid for the second vaccination  
  C4591001 
1218 
12181011  2 99 02MAR2021  VACCINATION  WITHDRAWAL BY 
SUBJECT  We made contact with participant 02MAR2021, she 
was informed of her vaccine status but withdrew.  
    2 99 02MAR2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Participant requested to withdraw from study as they 
have moved out of state  
  C4591001 
1218 
12181050  1 21 23DEC2020  VACCINATION  OTHER  Subject proceeded to open label prior to Vax2 in 
blinded treatment phase  
  C4591001 
1220 
12201036  1 44 17DEC2020  VACCINATION  LOST TO FOLLOW -UP unable to contact participant due to multiple attempts  
    1 44 17DEC2020  FOLLOW -UP LOST TO FOLLOW -UP Unable to contact participant after multiple attempts  
  C4591001 
1221 
12211036  2 52 27JAN2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Withdrew from study  
  C4591001 
1224 
12241009  1 37 18SEP2020  VACCINATION  LOST TO FOLLOW -UP PT failed to attend V2; site attempted contact via 
phone and certified letter  
    1 37 18SEP2020  FOLLOW -UP LOST TO FOLLOW -UP PT failed to return for V2; site attempted contact via 
phone a nd certified letter  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 25
FDA-CBER-2022-5812-0223801
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
  C4591001 
1224 
12241167  1 27 16DEC2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Exclusion Criteria 5  
  C4591001 
1224 
12241169  2 23 06JAN2021  VACCINATION  OTHER  subject proceeded to open label prior to V3 in the 
blinded Rx phase  
  C4591001 
1224 
12241170    
24NOV2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Subject chose to discontinue from trial  
  C4591001 
1224 
12241175  1 17 16DEC2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Exclusion Criteria 5  
  C4591001 
1226 
12262189  1 14 27OCT2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Exclusion criterion 5  
  C4591001 
1230 
12301065  2 97 02MAR2021  VACCINATION  WITHDRAWAL BY 
SUBJECT  Participant  translocated and will no longer be able to 
attend site visits  
    2 97 02MAR2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Participant confirmed that he has translocated. 
Attending additional visits will be difficult.  
  C4591001 
1231 
12311031  1 37 15SEP2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Previous clinical or microbiological diagnosis of 
COVID- 19 
  C4591001 
1231 
12311062  2 165 12FEB2021  FOLLOW -UP LOST TO FOLLOW -UP After multiple contact attempts, a registered letter is 
sent. Subject receives it on 3FEB2021  
  C4591001 
1231 
12311088  1 48 28SEP2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Previous clinical or microbiological diagnosis of 
COVID- 19 
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 26
FDA-CBER-2022-5812-0223802
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
  C4591001 
1231 
12311191  1 32 14SEP2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Previous clinical or microbiological diagnosis of 
COVID- 19 
  C4591001  
1231 
12311431  1 27 10SEP2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  The subject is afraid of exposure to COVID -19 in 
next study visits  
    1 27 10SEP2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  you fear going to a health institution and that this will 
expose you to be reinfected by SARS -COV2  
  C4591001 
1231 
12311593  2 147 01FEB2021  VACCINATION  LOST TO FOLLOW -UP After multiple unanswered phone calls, a certified 
letter was sent and it was never r esponded.  
    2 147 01FEB2021  FOLLOW -UP LOST TO FOLLOW -UP Volunteer with loss of follow -up 
  C4591001 
1231 
12311641  1 29 13SEP2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Previous clinical or microbiological diagnosis of 
COVID- 19 
  C4591001 
1231 
12311656  1 40 24SEP2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Previous clinical or microbiological diagnosis of 
COVID- 19 
  C4591001 
1231 
12312326  1 34 21SEP2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Previous clinical or microbiological diagnosis of 
COVID- 19 
  C4591001 
1231 
12312365  1 28 15SEP2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Previous clinical or microbiological diagnosis of 
COVID- 19 
    1 56 13OCT2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  subject decided to withdraw consent due to lack of 
time 
  C4591001 
1231 
12312403  1 24 11SEP2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  The patient does not want to take the second dose.  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 27
FDA-CBER-2022-5812-0223803
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
  C4591001 
1231 
12312451  1 23 11SEP2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Participants who are willing and able to comply with 
all scheduled visits, vaccination plan, lab...  
  C4591001 
1231 
12312528  2 123 11JAN2021  FOLLOW -UP PROTOCOL DEVIATION  On JAN -9-2021, subject received the Gam -COVID -
Vac vaccine (trade name Sputnik V).  
  C4591001 
1231 
12312594  1 77 04NOV2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  Stop participating for personal reasons  
    1 77 04NOV2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Subject Withdraws his consent for personal reasons  
  C4591001 
1231 
12312916  1 20 09SEP2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Previous clinical or mi crobiological diagnosis of 
COVID- 19. 
  C4591001 
1231 
12313443    
23AUG2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  randomized, no vaccinated  
  C4591001 
1231 
12313467  1 24 15SEP2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  the subject did not agree to be vaccinated a second 
time,but will continue in the study  
  C4591001 
1231 
12313498  1 25 16SEP2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  the subject did not agree to be vaccinated a second 
time,but will continue in the study  
  C4591001 
1231 
12313519  1 24 15SEP2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  Did not accept to receive second dose but accept 
continue with the rest of study procedures  
  C4591001 
1231 
12313546  1 26 17SEP2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  Subject did not receive the second vaccination but 
continued otherwise with study procedures  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 28
FDA-CBER-2022-5812-0223804
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
  C4591001 
1231 
12313622  1 24 16SEP2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Healthy participants eligible for inclusion in the study 
and Previous diagnosis of COVID -19 
  C4591001 
1231 
12313758  1 44 06OCT2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Previous clinical or microbiological diagnosis of 
COVID- 19 
  C4591001 
1231 
12313981  2 45 29OCT2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  The decision to stop participating must be a move to 
the province of Santiago del Estero.  
    2 45 29OCT2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  The decision to stop participating must be a move to 
the province of Santiago del Estero.  
  C4591001 
1231 
12314492  1 20 15SEP2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  Previous clinical or microbiological diagnosis of 
COVI D-19 
    1 142 15JAN2021  FOLLOW -UP LOST TO FOLLOW -UP 12 telephone contact attempts. 2 email contact 
attempts. 1 certified letter sent.  
  C4591001 
1231 
12315357  1 13 10SEP2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  The subject does not specify the reasons for 
withdrawing from the study  
    1 13 10SEP2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  The subject does not specify the reasons for 
withdrawing from the study  
  C4591001 
1232 
12321015  1 21 02SEP2020  VACCINATION  LOST TO  FOLLOW -UP patient is labeled a "no show"  
    1 21 02SEP2020  FOLLOW -UP LOST TO FOLLOW -UP patient labeled as a "no show"  
  C4591001 
1232 
12321142  1 24 23SEP2020  VACCINATION  OTHER  re-joined trial in the revaccination open label portion  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 29
FDA-CBER-2022-5812-0223805
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
  C4591001 
1232 
12321210  2 67 06DEC2020  VACCINATION  LOST TO FOLLOW -UP multiple attempts to contact patient, phone is no 
longer in service  
    2 67 06DEC2020  FOLLOW -UP LOST TO FOLLOW -UP multiple attempts to contact patient, phone is no 
longer in service  
  C4591001 
1232 
12321244  1 1 11SEP2020  VACCINATION  LOST TO FOLLOW -UP Subject did not attend V2 and would not return the 
sites calls  
    1 1 11SEP2020  FOLLOW -UP LOST TO FOLLOW -UP Subject is not returning any of the sites phone calls. 
Will not be rejoining.  
  C4591001 
1232 
12321412  1 1 27OCT2020  VACCINATION  LOST TO FOLLOW -UP Subject did not attend V2 and would not return calls 
from the site  
    1 1 27OCT2020  FOLLOW -UP LOST TO FOLL OW-UP Subject did not attend V2 and would not return calls 
from the site  
  C4591001 
1232 
12321429  1 1 28OCT2020  VACCINATION  LOST TO FOLLOW -UP Subject did not attend V2 and has not returned calls 
from the site  
    1 1 28OCT2020  FOLLOW -UP LOST TO FOLLOW -UP Subject did not attend V2 and has not returned calls 
from the site  
  C4591001 
1235 
12351187  1 9 24OCT2020  VACCINATION  NO LONGER MEETS 
ELIGIBILITY CRITERIA  meets exclusion #5  
  C4591001 
1247 
12471107  2 29 17NOV2020  VACCINATION  LOST TO FOLLOW -UP Pt did not arrive for Visit 3. After multiple attempts 
by site staff, pt still did not arrive for V3  
  C4591001 
1247 
12471121  2 10 30OCT2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  Patient withdrew after motorcycle accident 
(Undisclosed medical condition)  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 30
FDA-CBER-2022-5812-0223806
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
    2 10 30OCT2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Patient withdrew after motorcycle accident 
(Undisclosed medical condition)  
  C4591001 
1248 
12481025    
29AUG2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Subject Withdrew Consent  
  C4591001 
1248 
12481046  1 66 04NOV2020  VACCINATION  LOST TO FOLLOW -UP Missed V2 on 20Sep2020; site has been unable to 
contact subject despite multiple calls.  
    1 66 04NOV2020  FOLLOW -UP LOST TO FOLLOW -UP Please see EOT page  
  C4591001 
1248 
12481110  1 59 06NOV2020  VACCINATION  LOST TO FOLLOW -UP Subject was no show for V2; unable to contact 
subject.  
    1 59 06NOV2020  FOLLOW -UP LOST TO FOLLOW -UP Subject was no show for V2; unable to contact 
subject.  
  C4591001 
1248 
12481138  2 125 02FEB2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Subject said she no longer wishes to participate in the 
study. No reason given.  
  C4591001 
1248 
12481206  2 1 09OCT2020  VACCINATION  LOST TO FOLLOW -UP Lost to follow up  
    2 1 09OCT2020  FOLLOW -UP LOST TO FOLLO W-UP Lost to follow up  
  C4591001 
1254 
12541142  1 26 07OCT2020  VACCINATION  PREGNANCY  PREGNANCY/MATERNAL EXPOSURE DURING 
PREGNANCY  
  C4591001 
1258 
12581069  2 55 04JAN2021  VACCINATION  WITHDRAWAL BY 
SUBJECT  subject moved and withdrew consent  
    2 55 04JAN2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  subject moved and withdrew consent  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 31
FDA-CBER-2022-5812-0223807
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
  C4591001 
1269 
12691047  2 126 18JAN2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Subject discontinued her participation  
  C4591001 
1270 
12701175  2 66 24FEB2021  VACCINATION  WITHDRAWAL BY 
SUBJECT  Per LAR/father, request to drop participant, non -
compliant with study activities  
    2 66 24FEB2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Per LAR/father request to drop participant as has 
been non -compliant with study activities  
  C4591001 
1270 
12701176  2 66 24FEB2021  VACCINATION  WITHDRAWAL BY 
SUBJECT  Per LAR/father, request to drop participant, non -
compliant with study activities  
    2 66 24FEB2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Per LAR/father, request to drop participant as 
participant is non -compliant with study activities  
  C4591001 
4444 
44441329  2 81 31DEC2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  the decision to stop participating is due to personal 
issues.  
  C4591001 
4444 
44442006  2 140 02MAR2021  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  the decision to stop participating is for personal 
reasons  
  C4591001 
4444 
44442081  2 145 08MAR2021  FOLLOW -UP WITHDRAWA L BY 
SUBJECT  the decision is due to "the little collaboration of Pfizer 
with the Argentine State."  
  C4591001 
4444 
44442263  1 24 20OCT2020  VACCINATION  WITHDRAWAL BY 
SUBJECT  Will not be able to continue in the trial since she has 
had to travel abroad for personal reasons  
    1 24 20OCT2020  FOLLOW -UP WITHDRAWAL BY 
SUBJECT  Will not be able to continue in the trial since she has 
had to travel abroad for personal reasons  
  
a.     Relative day (Rel Day) = date of withdrawal - date of last vaccination + 1. For a withdrawal that occurred before the date of the first study 
vaccination, + 1 was not added to compute relative day.  
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 32
FDA-CBER-2022-5812-0223808
16.2.1.1.1 Listing of Subjects Discontinued From Vaccination and/or From the Study – 
Subjects 12 Through 25 Years of Ag e 
Age 
Group 
(Years)  Subject  Dose  
No.  Rel 
Daya Withdrawal  
Date  Study Phase   Withdrawal Reason        Commentb 
  
b.     MedDRA (v23.1) coding dictionary applied.  
PFIZER CONFIDENTIAL SDTM Creation: 25MAR2021 (19:20) Source Data: adds Table Generation: 27MAR2021 (00:55)  
(Cutoff Date: 13MAR2021, Snapshot Date: 25MAR2021) Output File: ./nda2_unblinded/C4591001_BLA/adds_l001_withdraw_ped   
 
090177e196ac9156\Final\Final On: 31-Mar-2021 13:05 (GMT) 
Page 33
FDA-CBER-2022-5812-0223809