{"nct_id":"NCT00670111","title":"Restoration of Chronotropic Competence in Heart Failure Patients With Normal Ejection Fraction","status":"TERMINATED","status_verified_date":"2017-05","start_date":"2008-07","start_date_type":null,"primary_completion_date":"2011-07","primary_completion_date_type":"ACTUAL","completion_date":"2011-07","completion_date_type":"ACTUAL","phases":["NA"],"tickers":["BSX"]}