Positive Top-Line Results of Pfizer’s Phase 3 Study of Coadministration of PREVNAR 20™ With Pfizer-BioNTech COVID-19 Vaccine in Older Adults

 fizer Inc. (NYSE:PFE) today announced positive top-line results from a Phase 3 study (B74710126) describing the safety and immunogenicity of PREVNAR 20™ (Pneumococcal 20-valent Conjugate Vaccine) in 570 adults in the United States 65 years of age or older when administered at the same time as the Pfizer-BioNTech COVID-19 Vaccine or when each vaccine was given with placebo.

Responses elicited by PREVNAR 20 for all 20 serotypes were similar whether given with a dose of the Pfizer-BioNTech COVID-19 Vaccine (n=190) or with placebo (n=191). Responses to a booster dose of the Pfizer-BioNTech COVID-19 Vaccine were also similar when given with PREVNAR 20 or given with placebo (n=189). The safety profile of co-administering PREVNAR 20 with a booster dose of the Pfizer-BioNTech COVID-19 Vaccine generally reflected that observed with the Pfizer-BioNTech COVID-19 Vaccine booster dose.

https://www.pfizer.com/news/press-release/press-release-detail/positive-top-line-results-pfizers-phase-3-study-exploring-0