A 66-year-old woman’s lab trend over 12 months: eGFR 54 → 42…
A 66-year-old woman’s lab trend over 12 months: eGFR 54 → 42 mL/min, persistent albumin-creatinine ratio 350 mg/g (normal < 30), Creatinine rise 1.1 → 1.5 mg/dL. She is asymptomatic. What is the next best management step?