Simvastatin Combined With Ramipril Treatment in Hypercholesterolemic Patients

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Abstract
Mechanisms underlying biological effects of statin and angiotensin-converting enzyme inhibitor therapies differ. Thus, we studied vascular responses to combination therapy in hypercholesterolemic patients. A randomized, double-blind, placebo-controlled, crossover trial was conducted with 50 hypercholesterolemic patients with simvastatin and either placebo or ramipril (study I) and in 45 hypercholesterolemic diabetic patients with simvastatin or ramipril with placebo or simvastatin combined with ramipril (study II) for 2 months with 2 months washout. In study I simvastatin combined with ramipril significantly reduced blood pressure after 2 months. Simvastatin alone or combined with ramipril significantly changed lipoproteins, improved percent flow-mediated dilator response to hyperemia by 30±5% and 53±6%, respectively (P<0.001), and reduced plasma levels of malondialdehyde by 4±7% (P=0.026) and 25±4% (P<0.001), respectively. Monocyte chemoattractant protein-1 levels decreased by 3±3% and 12±2%, respectivel...

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