Journal
JOURNAL OF THE RENIN-ANGIOTENSIN-ALDOSTERONE SYSTEM
Volume 7, Issue 4, Pages 243-246Publisher
SAGE PUBLICATIONS LTD
DOI: 10.3317/jraas.2006.045
Keywords
diabetes; hypertension; angiotensin receptor blocker; calcium channel blocker
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Introduction. Hypertension in type 2 diabetes represents a strong risk factor for cardiovascular events. Either calcium channel blockers or angiotensin receptor blockers (ARBs) may reduce insulin resistance. One of the ARBs, telmisartan (Telm) acting as a PPAR gamma agonist, significantly reduces HbA(1C) levels. The aim of this study was the comparison of the effects on glycaemic control of amlodipine (Aml) and Telm in hypertensive type 2 diabetic patients. Materials and methods. Forty diabetic hypertensive subjects were assigned to two groups. Group A: rosiglitazone (RSG) 4 mg + Telm 80 mg; Group B: RSG 4 mg + Aml 10 mg. All the patients were already treated with metformin, but not with antihypertensive drugs. Results. After four months treatment, both groups showed a significant reduction of mean blood pressure (Group A: - 13.5%; Group B: - 13.3%) and a positive influence on glycaemic control and insulin resistance. Lower values of glucose, HbA(1C), HOMA index and higher adiponectin levels were observed in Group A compared to Group B. Conclusions. In type 2 diabetic hypertensive patients, the association of Telm 80 mg and RSG 4 mg seems to display a metabolic advantage compared to Aml 10 mg. The simultaneous beneficial effects on blood pressure and insulin sensitivity may confer make Telm particularly suitable in the treatment of the metabolic syndrome.
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