11 BLA 125742 0 06 29 2021 Telecon Information Reques

Pfizer Documents (PHMPT/FDA)

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From:  Smith, Michael (CBER)  
Sent:  Tuesday, June 29, 2021 3:47 PM  
To: Harkins Tull, Elisa <[email protected]>; Aghajani Memar, Neda 
<[email protected]>; Devlin, Carmel M <[email protected]> Cc: Naik, Ramachandra <[email protected]>; Gottschalk, Laura 
<[email protected]>  
Subject:  STN 125742.0: Clinical IR RE Study C4591001 
 
Elisa,  
 
The clinical team has the below IR regarding Study C4591001.   The review team 
would prefer a response by July 2, 2021.  
 
 
Please provide the maximum date (latest date) of randomization for participants 
included in the reactogenicity subset for Study C4591001.   Our evaluation of the 
datasets indicates that the maximum date of randomization (RANDDT) and 
vaccination date 01 (VAX101DT) for participants included in the reactogenicity 
subset is January 8,  2021.   If based on your analyses,   this date should be 
different, please provide guidance to the datasets and the appropriate flags we 
can use to confirm your results within the datasets.  
 Regards,  
 
Mike  
- Please confirm receipt of this e -mail and let us know if you have any 
questions.  
 
Mike Smith, Ph.D.  
Captain, USPHS  
 Senior Regulatory Review Officer  
Food and Drug Administration Center for Biologics Evaluation & Research  
Office of Vaccines Research & Review  
Division of Vaccines and Related Products Applica tions  
Tel: 301- 796- 2640 
[email protected]  
FDA-CBER-2021-5683-1024686
 
 
         
 
 
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FDA-CBER-2021-5683-1024687