{"nct_id":"NCT00268320","title":"Clinical Investigation of the Medtronic Concerto™ Device","status":"COMPLETED","status_verified_date":"2008-09","start_date":"2006-01","start_date_type":null,"primary_completion_date":"2006-06","primary_completion_date_type":"ACTUAL","completion_date":"2007-07","completion_date_type":"ACTUAL","phases":["NA"],"tickers":["MDT"]}