{"nct_id":"NCT03912233","title":"A Study to Evaluate the Safety and Efficacy of VX-121 Combination Therapy in Subjects With Cystic Fibrosis","status":"COMPLETED","status_verified_date":"2023-03","start_date":"2019-04-30","start_date_type":"ACTUAL","primary_completion_date":"2019-12-10","primary_completion_date_type":"ACTUAL","completion_date":"2019-12-10","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["VRTX"]}