MediumEndocrinologyDiabetic kidney disease with microalbuminuriaau-racpau-amc
A 58-year-old man with type 2 diabetes and hypertension has persistent microalbuminuria (urine ACR 6 mg/mmol) and eGFR 75 mL/min/1.73 m². His BP is 142/88 mmHg on a calcium channel blocker alone. What is the MOST appropriate next step?