{"nct_id":"NCT04569786","title":"Dose Ranging Trial to Assess Safety and Immunogenicity of V590 (COVID-19 Vaccine) in Healthy Adults (V590-001)","status":"TERMINATED","status_verified_date":"2021-12","start_date":"2020-10-29","start_date_type":"ACTUAL","primary_completion_date":"2021-02-18","primary_completion_date_type":"ACTUAL","completion_date":"2021-02-18","completion_date_type":"ACTUAL","phases":["PHASE1"],"tickers":["MRK"]}