IRMA 2- studiet (Effects of Irbesartan on Microalbuminuria in Hypertensive Patients with type 2 Diabetes Mellitus) viste, at irbesartan 300 mg forsinker progression til klinisk proteinuri hos patienter med mikroalbuminuri.
Lo studio "Effects of Irbesartan on Microalbuminuria in Hypertensive Patients with Type 2 Diabetes Mellitus (IRMA 2)" mostra che l' irbesartan 300 mg rallenta la progressione verso la proteinuria franca nei pazienti con microalbuminuria.