{"nct_id":"NCT00143325","title":"An Open Label Study That Compares Varenicline to Transdermal Nicotine Patch for Smoking Cessation","status":"COMPLETED","status_verified_date":"2007-06","start_date":"2005-01","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":"2006-06","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["PFE"]}