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)
Running, not enrolling · Phase 4 · Has a placebo group
Conditions studied: SARS-CoV-2
In brief
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.
Key facts
- Study ID
- NCT07266558
- Run by
- ModernaTX, Inc.
- People needed
- 30000
- Starts
- 2025-11-26
- Expected to finish
- 2027-06-16
- Last updated by the study team
- 2026-04-28
Who can join
Age: 50 and older, up to 64. Sex: any. Healthy volunteers: accepted.
Where it is running
- Cullman Clinical Trials — Cullman, Alabama, United States
- AMR Clinical Mobile — Mobile, Alabama, United States
- Velocity Clinical Research, Mobile — Mobile, Alabama, United States
- Lenzmeier Family Medicine - Avacare — Glendale, Arizona, United States
- Desert Clinical Research — Mesa, Arizona, United States
- Velocity Clinical Research - Phoenix — Phoenix, Arizona, United States
- Foothills Research Center/Avacare — Phoenix, Arizona, United States
- Headlands Research Scottsdale — Scottsdale, Arizona, United States
- Fiel Family and Sports Medicine / Avacare — Tempe, Arizona, United States
- Avacare — Colton, California, United States
- CenExel CNR — Garden Grove, California, United States
- Velocity Clinical Research, Huntington Park — Huntington Park, California, United States
- Velocity Clinical Research - San Diego - ERN - PPDS-Site Number:8400010 — La Mesa, California, United States
- Velocity Clinical Research - Los Angeles — Los Angeles, California, United States
- Artemis Institute for Clinical Research — Riverside, California, United States
- Peninsula Research Associates — Rolling Hills Estates, California, United States
- Velocity Clinical Research -- Banning — San Bernardino, California, United States
- Artemis Institute for Clinical Research — San Diego, California, United States
- Tekton Research, LLC — Denver, Colorado, United States
- Tekton Research, LLC — Fort Collins, Colorado, United States
- Critical Care, Pulmonary and Sleep Associates, P.LLP/Avacare — Lakewood, Colorado, United States
- Tekton Research, LLC — Longmont, Colorado, United States
- New England Research Associates — Bridgeport, Connecticut, United States
- Stamford Therapeutics Consortium — Stamford, Connecticut, United States
- Accel Clinical Research — Birmingham, Alabama, United States
Full record on ClinicalTrials.gov
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