{"nct_id":"NCT05285826","title":"Efficacy, Immunogenicity, and Safety of V503 in Chinese Males (V503-052)","status":"ACTIVE_NOT_RECRUITING","status_verified_date":"2024-12","start_date":"2022-02-18","start_date_type":"ACTUAL","primary_completion_date":"2029-05-25","primary_completion_date_type":"ESTIMATED","completion_date":"2029-05-25","completion_date_type":"ESTIMATED","phases":["PHASE3"],"tickers":["MRK"]}