{"nct_id":"NCT06354998","title":"A Study of an Investigational mRNA-1273.815 COVID-19 Vaccine in Previously Vaccinated Adults","status":"COMPLETED","status_verified_date":"2025-05","start_date":"2024-04-08","start_date_type":"ACTUAL","primary_completion_date":"2024-05-10","primary_completion_date_type":"ACTUAL","completion_date":"2024-05-10","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["MRNA"]}