{"nct_id":"NCT03911713","title":"A Phase 2 Study to Evaluate Efficacy and Safety of VX-561 in Subjects Aged 18 Years and Older With Cystic Fibrosis","status":"COMPLETED","status_verified_date":"2021-12","start_date":"2019-04-17","start_date_type":"ACTUAL","primary_completion_date":"2020-08-20","primary_completion_date_type":"ACTUAL","completion_date":"2020-08-20","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["VRTX"]}