{"nct_id":"NCT02392234","title":"A Phase 3 Study to Evaluate the Efficacy and Safety of Ivacaftor and VX-661 in Combination With Ivacaftor in Subjects Aged 12 Years and Older With Cystic Fibrosis, Heterozygous for the F508del-cystic Fibrosis Transmembrane Conductance Regulator (CFTR) Mutation","status":"COMPLETED","status_verified_date":"2018-05","start_date":"2015-03","start_date_type":null,"primary_completion_date":"2017-02","primary_completion_date_type":"ACTUAL","completion_date":"2017-02","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["VRTX"]}