{"nct_id":"NCT00463918","title":"A Phase I Study to Evaluate the Pharmacokinetics of Multiple Doses of Varenicline in Healthy Adolescent Smokers","status":"COMPLETED","status_verified_date":"2008-11","start_date":"2007-05","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":"2007-12","completion_date_type":"ACTUAL","phases":["PHASE1"],"tickers":["PFE"]}