The Ramipril and Lozartan influence on the indices of lysis of azoalbumin, azokazein and azokol of blood plasma was studied during 12 weeks therapy of patients suffering from arterial hypertension at the ІІ stage. It is established that there was the reliable diminishing of mean quantity of indeces of lysis of azoalbumin and azokazein during the administration of ramipril in contrast to Lozartan.
