{"nct_id":"NCT00861016","title":"Efficacy and Safety of Metoprolol Succinate Prolonged-Release Tablet in Patients With Mild to Moderate Hypertension","status":"COMPLETED","status_verified_date":"2009-03","start_date":"2005-10","start_date_type":null,"primary_completion_date":"2006-04","primary_completion_date_type":"ACTUAL","completion_date":"2006-05","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["AZN"]}