{"nct_id":"NCT00677014","title":"Comparison of AV Optimization Methods Used in Cardiac Resynchronization Therapy (CRT)","status":"COMPLETED","status_verified_date":"2013-04","start_date":"2008-05","start_date_type":null,"primary_completion_date":"2010-07","primary_completion_date_type":"ACTUAL","completion_date":"2010-07","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["BSX"]}