{"nct_id":"NCT00506077","title":"MK0249 for the Treatment of Cognitive Impairment in Patients With Schizophrenia (0249-016)","status":"COMPLETED","status_verified_date":"2015-07","start_date":"2007-12","start_date_type":null,"primary_completion_date":"2008-10","primary_completion_date_type":"ACTUAL","completion_date":"2008-10","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["MRK"]}