Pfizer/BioNTech Booster Data Submitted to FDA

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Pfizer and BioNTech have submitted Phase 1 data to FDA to support the evaluation of a booster dose of their Covid-19 vaccine. “The data we’ve seen to date suggest a third dose of our vaccine elicits antibody levels that significantly exceed those seen after the two-dose primary schedule,” the companies say. “Participants received a 30-µg booster dose of BNT162b2 8 to 9 months after receiving the second dose. Results from this participant group show that the third dose elicited significantly higher neutralizing antibodies against the initial SARS-CoV-2 virus (wild type) compared to the levels observed after the two-dose primary series, as well as against the Beta variant and the highly infectious Delta variant.”

 

Phase 3 data on the third dose are expected shortly and will be submitted to the agency and other regulatory agencies. The companies plan to seek licensure of the third dose under a supplemental BLA in individuals 16 years of age and older, pending FDA approval of the primary BLA submitted in May.

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