{"nct_id":"NCT02412111","title":"A Phase 3 Study of Tezacaftor (VX-661) in Combination With Ivacaftor (VX-770) in Subjects Aged 12 Years and Older With Cystic Fibrosis (CF), Who Have One F508del-CFTR Mutation and a Second Mutation That Has Been Demonstrated to be Clinically Responsive to Ivacaftor","status":"COMPLETED","status_verified_date":"2019-01","start_date":"2015-06","start_date_type":"ACTUAL","primary_completion_date":"2017-09","primary_completion_date_type":"ACTUAL","completion_date":"2017-09","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["VRTX"]}