{"nct_id":"NCT00694044","title":"Evaluation of Varenicline Safety, Tolerability, Pharmacokinetics and Pro-Cognitive Effects in Healthy Elderly Non-Smoking Subjects","status":"COMPLETED","status_verified_date":"2009-06","start_date":"2008-04","start_date_type":null,"primary_completion_date":"2008-06","primary_completion_date_type":"ACTUAL","completion_date":"2008-06","completion_date_type":"ACTUAL","phases":["PHASE1"],"tickers":["PFE"]}