{"nct_id":"NCT02565914","title":"A Study to Evaluate the Safety and Efficacy of Long Term Treatment With VX-661 in Combination With Ivacaftor in Participants With Cystic Fibrosis Who Have an F508del-CFTR Mutation","status":"COMPLETED","status_verified_date":"2023-09","start_date":"2015-08","start_date_type":"ACTUAL","primary_completion_date":"2019-05","primary_completion_date_type":"ACTUAL","completion_date":"2022-12-05","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["VRTX"]}