{"nct_id":"NCT01397890","title":"Efficacy and Tolerability of Symbicort as an add-on Treatment to Spiriva Compare With Spiriva Alone in Patients With Severe Chronic Obstructive Pulmonary Disease (COPD)","status":"COMPLETED","status_verified_date":"2015-03","start_date":"2011-07","start_date_type":null,"primary_completion_date":"2013-06","primary_completion_date_type":"ACTUAL","completion_date":"2013-06","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["AZN"]}