{"nct_id":"NCT01182441","title":"Evaluation of the WATCHMAN Left Atrial Appendage (LAA) Closure Device in Patients With Atrial Fibrillation Versus Long Term Warfarin Therapy","status":"COMPLETED","status_verified_date":"2017-03","start_date":"2010-11","start_date_type":"ACTUAL","primary_completion_date":"2013-01","primary_completion_date_type":"ACTUAL","completion_date":"2017-11","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["BSX"]}