{"nct_id":"NCT00909532","title":"Study of Ivacaftor in Cystic Fibrosis Subjects Aged 12 Years and Older With the G551D Mutation","status":"COMPLETED","status_verified_date":"2013-01","start_date":"2009-06","start_date_type":null,"primary_completion_date":"2010-07","primary_completion_date_type":"ACTUAL","completion_date":"2012-11","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["VRTX"]}