{"nct_id":"NCT01909804","title":"Safety and Efficacy of Sofosbuvir Plus Velpatasvir With or Without Ribavirin in Treatment-experienced Subjects With Chronic HCV Infection","status":"COMPLETED","status_verified_date":"2016-07","start_date":"2013-06","start_date_type":null,"primary_completion_date":"2014-05","primary_completion_date_type":"ACTUAL","completion_date":"2014-08","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["GILD"]}