{"nct_id":"NCT00594204","title":"Assessment of Safety and Efficacy of Varenicline in Patients That Wish to Stop Smoking","status":"COMPLETED","status_verified_date":"2010-07","start_date":"2008-04","start_date_type":null,"primary_completion_date":"2009-06","primary_completion_date_type":"ACTUAL","completion_date":"2009-08","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["PFE"]}