83 BLA 125742 0 08 17 2021 Telecon Other

Pfizer Documents (PHMPT/FDA)

Pfizer Bla Submission

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TELECONFERENCE SUMMARY  
 
Application number:   BLA STN 125742/0  
Product name:    COVID -19 Vaccine, mRNA (COMIRNATY)  
Proposed Indication:  Active immunization to prevent COVID -19 caused by 
SARS-CoV -2 in individuals 16 years of age and older   
Applicant:  BioNTech Manufacturing GmbH (in partnership with 
Pfizer, Inc.)    
Teleconference date & time:  August 17 , 2021; 9:00 AM - 9:41 AM 
 PM EDT 
 
FDA Participants:  
Ekaterina Allen 
Anissa Cheung, Ph.D.  
John Eltermann, R.Ph., M.S.  
Debra Emerson Kathleen Jones, Ph.D.  
Christian Lynch Ramachandra Naik , Ph.D. 
Lori Peters, M.S.  
Carolyn Renshaw  
Michael Smith, Ph.D.  
Applicant Participants:  
Paul Rohlfing,  GCMC Vaccines Regulatory Affairs, Pfizer Inc.  
Adrienne Stafford,  GCMC Vaccines Regulatory Affairs, Pfizer Inc.  
,   GCMC Vaccines Regulatory Affairs, Pfizer Inc.  
Andrew Nelson,  GCMC Vaccines Regulatory Affairs, Pfizer Inc.  
,  GCMC Vaccines Regulatory Affairs, Pfizer Inc.  
,   GCMC Vaccines Regulator y Affairs, Pfizer Inc.  
Elisa Harkins Tull ,  Global Regulatory Affairs Pfizer Inc.  
Meg Ruesch,   Analytical R&D, Pfizer Inc.  
Dave Cirelli ,   Analytical R&D, Pfizer Inc.  
,   Analytical R&D, Pfizer Inc.  
,   Biotherapeutics PharmSci Quality, Pfizer Inc  
,  Quality Operations, Pfizer Global Supply, Pfizer Inc.  
, , Andover, Pfizer Global Supply, 
Pfizer Inc.  
, Quality Operations, Andover, Pfizer Global Supply, Pfizer Inc. 
, Quality Operations, Andover, Pfizer Global Supply, Pfizer 
Inc. 
, Quality Operations, Andover, Pfizer Global Supply, Pfizer 
Inc. 
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FDA-CBER-2021-5683-1150416
STN 125742/0   August 16 , 2021 
 
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 , Qual ity Operations, Andover, Pfizer Global Supply, Pfizer 
Inc. 
Amy Lovasko,  Andov er Site Lead, Pfizer Global Supply, Pfizer Inc.  
,  Engineering, Andover, Pfizer Global Supply, Pfizer Inc.  
,   Engineering, Andover, Pfizer Global Supply, Pfizer Inc.  
 
 
Background/Purpose of this call: 
The purpose of the teleconference between DMPQ and Pfizer was to discuss items 2b, 
2c, 6 and 9c from the FDA form 483 for the Andover site.  
 Teleconference Summary : 
Follow -up response to FDA form 483 item 2b :   
CBER expressed concern about two issues assoc iated with  
 
Pfizer explained that when the  interface is in 
 m
ode it is  and controlled by , but when switch to  mode it 
is 
not controlled by .   The  ran in the background while in  mode.  The 
data integrity issue was extraneous data seen by the  system . 
 
Pfiz
er said in order to avoid this discrepancy they would need to ensure the  
software is  paused w hen entering  mode.  
 CBER asked if Pfizer would be willing to commit to correcting this before the next inspection.  Pfizer committed to investigate this issue and make the required updates 
based off of the results.   
 CBER asked if Pfizer could subm it updated responses as an amendment to the BLA 
regarding these follow -up questions.  Pfizer said they would do this initially by e-mail 
and then submit it as an amendment.  
 Regarding the extraneous data and data integrity, Pfizer said the  ran in the background in the  mode.  Pfizer also stated that an investigation will be initiated 
to determine if pausing the  software will eliminate collection of extraneous data 
during  operations .  
 
Follow -up response to FDA form 483 item 2c:   
CBER asked about Pfizer’s response and Pfizer explained that the  was a  
target, not a control limit and not a critical parameter process  at that time .  Pfizer 
explained this was a retrospective review in  of batch records regarding the 
less than  target.   
 
CBER asked if there were any corrective actions implemented?  Pfizer stated that this 
was an early batch with limited experience and since there was  
  Additionally, the  is overall controlled by . Pfizer 
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FDA-CBER-2021-5683-1150417
STN 125742/0   August 16 , 2021 
 
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 has now moved this from a target to a control limit, and will therefore be investigated in 
the case of a control limit excursion.   There is no impact for this missed target and this 
not a critical parameter process . 
 Pfizer noted that this was originally a , but now it is  
 an alarm will sound and the  shuts off if 
that happens.  
 CBER acknowledged the target vs. control limit information provided in the response; 
however, CBER also clarified a more general concern regarding the lack of Quality 
oversight during the batch record review process .  CBER noted that moving forward 
Pfizer should consider ways to enhance their continuou s process verification monitoring 
and batch record review process.  
 Follow -up response to FDA form 483 item 6:   
CBER had clarifying questions regarding a couple of discrepancies in Pfizer’s 
disinfecting studies  in  and room .   
 In study   
 was   on the coupons and shown to be effect ive with a contact time of  
  However, in another study,  
 the coupons were  and results showed that   was not 
effective with a contact time of  except  on .   
 
 was effective with a  contact time.   Pfizer explained that they had 
 studies where  was  on the surface of the coupons and 
allowed to  and another where the coupons were  in .  
Pfizer explained that  with  and allowing it to  worked 
better  than . 
 Pfizer said another study ( ) was performed for   where the  
 was  on the coupons and confirmed the effectiveness of  
with a contact time of .  
 CBER asked what  were used in the   and Pfizer replied it 
was  
 CBER also asked what  were used in the  study and Pfizer replied  
 
 CBER asked how many replicates the study was performed on and Pfizer replied that it 
was performed in  coupons.  
 
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FDA-CBER-2021-5683-1150418
STN 125742/0   August 16 , 2021 
 
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 CBER noted there was another discrepancy with  used at  
against  against floor and wall surfaces .  CBER asked if  this was the 
same issue  and Pfizer replied yes it was.  
 
CBER noted that there was an issue identified in  study with  
needed a longer contact time and that the evaluation in  did not include a  
, and said that Pfizer might want to consider adding one of these in the future 
depending on the results of EM studies contain  .  
 Follow -up response to FDA form 483 item 9: 
Pfizer noted that there was a miscommunication during the inspection and room  
, is not a CMC area but ISO  room off of    CBER asked if the control 
room is included in the monitoring and Pfizer replied that is not because it is covered by 
a legacy strategy.  
 
Pfizer said the results of the proposed monitoring study will determine if room  or 
other perimeter rooms will need to be monitored and the frequency and type of 
sampling that will be needed.    
 Pfizer said that they will e -mail a response to CBER today and follow -up with an official 
amendment, likely on Wednesday, August 18, 2021.  The response will contain 
commitment s to 1) investigate how to eliminate data integrity errors when switching to 
 mode to not have  running in the background or provide a signal to show 
that it is running and 2) to clarify type of sampling and frequency of testing for  item 9c  
 END  
 
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FDA-CBER-2021-5683-1150419