Metabolic effects of moxsonidine (cynt) were examined in 15 patients with mild and moderate arterial hypertension (blood-pressure within 140-179/90-109 mm Hg, according to recommendations of WHO and WOH ,1999) combining with compensated diabetes of type II. After 3 month of treatment with the drug (titration of dosage from 0,2 mg to 0,6 mg) significant lowering of insuline and glucose levels in blood happened; level tests were performed two hours after standard breakfast (an equivalent of the tolerance test to glucose). Average level of glucose was 9,28±0,62 mM/l before treatment and 8,44±0,51 mM/l after treatment (p