{"nct_id":"NCT04133168","title":"Boston Scientific's Cryoballoon in the Treatment of Symptomatic Drug Refractory Paroxysmal Atrial Fibrillation","status":"COMPLETED","status_verified_date":"2025-03","start_date":"2020-06-24","start_date_type":"ACTUAL","primary_completion_date":"2022-11-10","primary_completion_date_type":"ACTUAL","completion_date":"2023-08-17","completion_date_type":"ACTUAL","phases":["NA"],"tickers":["BSX"]}