Overview To Compare the Efficacy and Safety of Tripterygium (TW) Versus Valsartan in the Diabetic Nephropathy (DN) Status: Completed Trial end date: 2010-03-01 Target enrollment: Participant gender: Summary The purpose of this study is to compare the efficacy and safety of Tripterygium (TW) versus Valsartan (ARB) in the Diabetic Nephropathy (DN). Phase: N/A Details Lead Sponsor: Nanjing University School of MedicineTreatments: Valsartan