The study will be conducted according to a Prospective, parallel, Randomized, active-controlled, Open, Blinded Endpoint evaluation (PROBE design), in one centre, in at least 50 male and female patients with mild to moderate hypertension and type 2 diabetes mellitus, for a total period of 18 months (12 months of enrollment and 6 months follow-up). Patients who meet the inclusion and exclusion criteria will be randomized 1:1 using a permuted block design. They will receive an ascending number from 1 to 50. The investigator(s) performing and analyzing the echocardiograms, and the central laboratory measuring the BNP blood tests will be blinded to the patient medication.