{"nct_id":"NCT00464763","title":"A Research Study to Evaluate the Effectiveness of Dexmedetomidine in Preventing Delirium After Heart Surgery","status":"WITHDRAWN","status_verified_date":"2015-11","start_date":"2007-04","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":"2007-09","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["PFE"]}