{"nct_id":"NCT02070744","title":"Study to Evaluate Safety and Efficacy of VX-661 in Combination With Ivacaftor in Subjects With Cystic Fibrosis, Homozygous for the F508del-CFTR Mutation With an Open-Label Expansion","status":"COMPLETED","status_verified_date":"2025-09","start_date":"2014-03","start_date_type":null,"primary_completion_date":"2016-05-27","primary_completion_date_type":"ACTUAL","completion_date":"2016-05-27","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["VRTX"]}