{"nct_id":"NCT00691483","title":"Randomized Study Comparing the Efficacy and Safety of Varenicline Tartrate to Placebo in Smoking Cessation When Subjects Are Allowed to Set Their Own Quit Date","status":"COMPLETED","status_verified_date":"2015-10","start_date":"2008-09","start_date_type":null,"primary_completion_date":"2009-09","primary_completion_date_type":"ACTUAL","completion_date":"2009-12","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["PFE"]}