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First received: April 13, 2023

Clinical Trial: A Study of mRNA-1283 Injection Compared With mRNA-1273 Injection in Participants ?12 Years of Age to Prevent COVID-19

Study Status: COMPLETED

Recruit Status: COMPLETED

Condition: COVID-19

Study Type: INTERVENTIONAL


Official Title: A Randomized, Observer-Blind, Active-Controlled Phase 3 Study to Investigate the Safety, Immunogenicity, and Relative Vaccine Efficacy of mRNA-1283 Compared With mRNA-1273 in Participants Aged ?12 Yea

Brief Summary: The purpose of this study (Part 1 and Part 2) is to evaluate the relative vaccine efficacy (rVE), safety, reactogenicity, and immunogenicity of mRNA-1283.222versus mRNA-1273.222(Part 1) and mRNA-1283.815versus mRNA-1273.815(Part 2).

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