{"nct_id":"NCT02204475","title":"Grazoprevir (MK-5172)/Elbasvir (MK-8742) Versus Boceprevir/Pegylated Interferon/Ribavarin for Chronic Hepatitis C Infection (MK-5172-066)","status":"WITHDRAWN","status_verified_date":"2015-10","start_date":"2014-11","start_date_type":null,"primary_completion_date":"2016-06","primary_completion_date_type":"ESTIMATED","completion_date":"2016-09","completion_date_type":"ESTIMATED","phases":["PHASE3"],"tickers":["MRK"]}