{"nct_id":"NCT00234390","title":"PreAsthmaControl (PAC)","status":"COMPLETED","status_verified_date":"2011-01","start_date":"1998-11","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":"2004-12","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["AZN"]}