{"nct_id":"NCT03783078","title":"Pembrolizumab (MK-3475) as First-line Therapy for Advanced Merkel Cell Carcinoma (MK-3475-913)","status":"COMPLETED","status_verified_date":"2025-05","start_date":"2019-02-25","start_date_type":"ACTUAL","primary_completion_date":"2022-02-15","primary_completion_date_type":"ACTUAL","completion_date":"2024-02-15","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["MRK"]}