RSVpreF Vaccine Meets Endpoints

Researchers from the University of Rochester and around the world who are members of the RENOIR Clinical Trial Group say a Phase 3 trial of Pfizer’s investigational bivalent RSV (respiratory syncytial virus) prefusion F protein-based (RSVpreF) vaccine prevented RSV-associated lower respiratory tract illness and RSV-associated acute respiratory illness in older adults without evident safety concerns. The Pfizer-supported research was reported in the New England Journal of Medicine.

The study says the two primary endpoints were vaccine efficacy against seasonal RSV-associated lower respiratory tract illness with at least two or at least three signs or symptoms. The secondary endpoint was vaccine efficacy against RSV-associated respiratory illness.

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