{"nct_id":"NCT01685801","title":"Pilot Study Testing the Effect of Ivacaftor on Lung Function in Subjects With Cystic Fibrosis and Residual CFTR Function","status":"COMPLETED","status_verified_date":"2015-04","start_date":"2012-09","start_date_type":null,"primary_completion_date":"2014-04","primary_completion_date_type":"ACTUAL","completion_date":"2014-04","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["VRTX"]}