{"nct_id":"NCT00430729","title":"Effect of Roflumilast on Exacerbation Rate in Patients With Chronic Obstructive Pulmonary Disease. Ratio-Study. (BY217/M2-112)","status":"COMPLETED","status_verified_date":"2016-09","start_date":"2003-01","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":null,"completion_date_type":null,"phases":["PHASE3"],"tickers":["AZN"]}