{"nct_id":"NCT00575588","title":"52-week add-on to Metformin Comparison of Saxagliptin and Sulphonylurea, With a 52-week Extension Period","status":"COMPLETED","status_verified_date":"2012-03","start_date":"2007-12","start_date_type":null,"primary_completion_date":"2009-08","primary_completion_date_type":"ACTUAL","completion_date":"2010-08","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["AZN"]}