{"nct_id":"NCT00156728","title":"Study to Characterize Atrial Fibrillation in CHF Patients Indicated for CRT","status":"COMPLETED","status_verified_date":"2008-11","start_date":"2003-10","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":"2005-12","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["MDT"]}