{"nct_id":"NCT01716156","title":"A Study of Different Durations of Treatment With Grazoprevir (MK-5172) in Combination With Ribavirin in Participants With Chronic Hepatitis C (MK-5172-039)","status":"COMPLETED","status_verified_date":"2018-08","start_date":"2013-01-18","start_date_type":"ACTUAL","primary_completion_date":"2013-12-09","primary_completion_date_type":"ACTUAL","completion_date":"2014-03-12","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["MRK"]}