{"nct_id":"NCT04813796","title":"A Study to Evaluate Safety, Reactogenicity, and Immunogenicity of mRNA-1283 and mRNA-1273 Vaccines in Healthy Adults Between 18 Years and 55 Years of Age to Prevent COVID-19","status":"COMPLETED","status_verified_date":"2023-07","start_date":"2021-03-11","start_date_type":"ACTUAL","primary_completion_date":"2023-07-25","primary_completion_date_type":"ACTUAL","completion_date":"2023-07-25","completion_date_type":"ACTUAL","phases":["PHASE1"],"tickers":["MRNA"]}