{"nct_id":"NCT01645917","title":"Durability of Pulmonary Vein Isolation Following Cryoablation for Treatment of Paroxysmal Atrial Fibrillation","status":"COMPLETED","status_verified_date":"2018-09","start_date":"2012-08","start_date_type":null,"primary_completion_date":"2013-07","primary_completion_date_type":"ACTUAL","completion_date":"2013-11","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["MDT"]}