{"nct_id":"NCT00770081","title":"Safety and Tolerability of Vildagliptin Versus Sitagliptin in Patients With Type 2 Diabetes and Severe Renal Insufficiency (28-week Extension Study)","status":"COMPLETED","status_verified_date":"2012-05","start_date":"2008-09","start_date_type":null,"primary_completion_date":"2011-04","primary_completion_date_type":"ACTUAL","completion_date":"2011-04","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["NVS"]}