{"nct_id":"NCT01251146","title":"A Randomized Controlled Study to Assess the Effects of Bisoprolol and Atenolol on Resting Heart Rate and Sympathetic Nervous System's Activity in Subjects With Essential Hypertension","status":"COMPLETED","status_verified_date":"2017-01","start_date":"2010-11","start_date_type":null,"primary_completion_date":"2012-02","primary_completion_date_type":"ACTUAL","completion_date":"2012-02","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["MRK"]}