{"nct_id":"NCT01912326","title":"Prevention of Atrial Fibrillation by Optimized Overdrive Stimulation","status":"COMPLETED","status_verified_date":"2024-10","start_date":"2002-07","start_date_type":null,"primary_completion_date":"2008-01","primary_completion_date_type":"ACTUAL","completion_date":"2008-04","completion_date_type":"ACTUAL","phases":["NA"],"tickers":["ABT"]}