{"nct_id":"NCT03407170","title":"Immunologic Determinants of Response to Pembrolizumab (MK-3475) in Advanced Melanoma (MK-3475-161/KEYNOTE-161)","status":"TERMINATED","status_verified_date":"2020-06","start_date":"2018-06-28","start_date_type":"ACTUAL","primary_completion_date":"2019-08-14","primary_completion_date_type":"ACTUAL","completion_date":"2019-08-14","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["MRK"]}