{"nct_id":"NCT00371813","title":"An Investigation of Effectiveness and Safety of Varenicline Tartrate in Helping People Quit Smoking","status":"COMPLETED","status_verified_date":"2015-04","start_date":"2006-09","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":"2007-06","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["PFE"]}