{"nct_id":"NCT00717093","title":"Study Evaluating The Efficacy Of Varenicline In Cessation Of Oral Smokeless Tobacco Use","status":"COMPLETED","status_verified_date":"2015-06","start_date":"2008-08","start_date_type":null,"primary_completion_date":"2009-04","primary_completion_date_type":"ACTUAL","completion_date":"2009-07","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["PFE"]}