{"nct_id":"NCT00246805","title":"Heart Rate Regularization in Patients With Permanent Atrial Fibrillation Post Marketing Study","status":"COMPLETED","status_verified_date":"2010-03","start_date":"2006-01","start_date_type":null,"primary_completion_date":"2009-01","primary_completion_date_type":"ACTUAL","completion_date":"2009-03","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["MDT"]}