Clinical Trial: A Study to Evaluate the Efficacy and Safety of mRNA-1283 and mRNA-1273 in Participants 50 to 64 Years of Age Without High-Risk Conditions for Severe Coronavirus Disease 2019 (COVID-19)

U.S., Dec. 6 -- ClinicalTrials.gov registry received information related to the study (NCT07266558) titled 'A Study to Evaluate the Efficacy and Safety of mRNA-1283 and mRNA-1273 in Participants 50 to 64 Years of Age Without High-Risk Conditions for Severe Coronavirus Disease 2019 (COVID-19)' on Nov. 25.

Brief Summary: The purpose of this study is to evaluate the efficacy and safety of mRNA-1283 and mRNA-1273 (variant formulations) in adults 50 to 64 years of age without high risk factors for severe COVID-19.

Study Start Date: Nov. 28

Study Type: INTERVENTIONAL

Condition: SARS-CoV-2

Intervention: BIOLOGICAL: mRNA-1273

Sterile liquid for injection

BIOLOGICAL: mRNA-1283

Sterile liquid for injection

BIOLOGICAL: Placebo

0.9% sodium ...