Effects of amlodipine and atorvastatin on endothelial vasoactive mediators in patients with metabolic syndrome

Abstract

Aims: to study the effects of the amlodipine and atorvastatin on the blood levels of vasoactive mediators in patients with metabolic syndrome (MS). Design and methods. There were included 60 patients with MS, hypertension and dyslipidemia who were randomized into three treatment groups: monotherapy with amlodipine, atorvastatin monotherapy and a combination therapy with amlodipine and atorvastatin. Office blood pressure, 24-hour ambulatory blood pressure monitoring, measurements of the NO metabolite levels, endothelin-1, thromboxane B2 (TxB2) and 6-keto-prostaglandin F1α (6-keto-PGF1α) were performed at baseline and after 24 weeks of the therapy.Results. Amlodipine and atorvastatin in monotherapy or in a combination were associated with the significant improvement of certain studied parameters. Amlodipine treatment significantly decreased TxB2 and 6-keto-PGF1α levels. There was a significant reduction of TxB2, 6-keto-PGF1a levels and increase of NO metabolite in atorvastatin group. Treatment with combination of amlodipine and atorvastatin was characterized by significant decrease of TxB2 and endothelin-1 and increase of NO metabolite.Conclusion. Amlodipine and atorvastatin treatment showed positive effects on the levels of vasoactive mediators thereby leading to the improvementof endothelial function in patients with MS.