Study Status: Withdrawn
Recruit Status: Withdrawn
Study Type: Interventional
Official Title: Enalapril Maleate and Folic Acid Tablets for Prevention of Chronic Kidney Diseases in Patients With Hypertension: a Double-blind Randomized Controlled Trial
Brief Summary: The purpose of this trial is to confirm that enalapril maleate and folic acid tablets is more effective in preventing renal function decline among the patients with primary hypertension when compared to enalapril maleate.