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First received: September 23, 2023

Clinical Trial: A Study to Evaluate the Safety and Immune Response of mRNA-1345, a Vaccine Targeting Respiratory Syncytial Virus (RSV), When Co-administered With a Fluzone HD, in Adults ?65 Years of Age

Study Status: Completed

Recruit Status: RECRUITING

Condition: Respiratory Syncytial Virus

Study Type: INTERVENTIONAL


Official Title: A Phase 3, Randomized, Observer-Blind Study to Evaluate Safety, Tolerability, and Immunogenicity of mRNA-1345, an mRNA Vaccine Targeting Respiratory Syncytial Virus, When Coadministered With a High-Do

Brief Summary: The main purpose of this study is to evaluate the safety and immunogenicity of mRNA-1345 RSV vaccine when coadministered with a high dose (HD) quadrivalent seasonal influenza vaccine (Fluzone HD) in adults ?65 years of age.The study will examine the impact of Fluzone HD on the immune response to mRNA-1345 against RSV-A and RSV-B, as well as the impact of mRNA-1345 on the immune response to Fluzone HD against 4 vaccine-matched Influenza A and B strains.

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