{"nct_id":"NCT00909727","title":"Study of Ivacaftor in Cystic Fibrosis Subjects Aged 6 to 11 Years With the G551D Mutation","status":"COMPLETED","status_verified_date":"2012-07","start_date":"2009-08","start_date_type":null,"primary_completion_date":"2010-11","primary_completion_date_type":"ACTUAL","completion_date":"2011-04","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["VRTX"]}