{"nct_id":"NCT02105701","title":"Study of Efficacy and Safety of Grazoprevir (MK-5172) + Elbasvir (MK-8742) With or Without Ribavirin for Participants With Hepatitis C Genotype 1, 4, or 6 Infections Who Have Failed Prior Treatment With Pegylated Interferon + Ribavirin (MK-5172-068)","status":"COMPLETED","status_verified_date":"2021-01","start_date":"2014-06-05","start_date_type":"ACTUAL","primary_completion_date":"2015-03-24","primary_completion_date_type":"ACTUAL","completion_date":"2015-06-19","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["MRK"]}