{"nct_id":"NCT00743847","title":"A 6-Week Multicenter Trial Of Varenicline Tartrate For Cognitive Impairment In Subjects With Schizophrenia","status":"WITHDRAWN","status_verified_date":"2009-02","start_date":"2009-03","start_date_type":null,"primary_completion_date":"2009-11","primary_completion_date_type":"ESTIMATED","completion_date":"2009-11","completion_date_type":"ESTIMATED","phases":["PHASE2"],"tickers":["PFE"]}