{"nct_id":"NCT01531673","title":"Study of VX-661 Alone and in Combination With Ivacaftor in Subjects Homozygous or Heterozygous to the F508del-Cystic Fibrosis Transmembrane Conductance Regulator(CFTR) Mutation","status":"COMPLETED","status_verified_date":"2018-03","start_date":"2012-02","start_date_type":null,"primary_completion_date":"2014-03","primary_completion_date_type":"ACTUAL","completion_date":"2014-03","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["VRTX"]}