{"nct_id":"NCT05137236","title":"A Study to Evaluate the Immunogenicity and Safety of mRNA-1283 COVID-19 Vaccine Boosters","status":"COMPLETED","status_verified_date":"2025-06","start_date":"2021-12-06","start_date_type":"ACTUAL","primary_completion_date":"2023-03-23","primary_completion_date_type":"ACTUAL","completion_date":"2023-03-23","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["MRNA"]}