Endothelial dysfunction is an early marker of atherosclerosis and is found in patients (pts) with coronary (CAD) and peripheral artery disease (PAD). Statin-therapy has been shown to improve endothelial function in pts with CAD or PAD by reducing LDL-cholesterol and inflammatory markers. B-group vitamin-supplements have variable been reported to have positive or neutral effects on endothelial function. Therefore, we want to compare the effect of rosuvastatin and B-group vitamin supplementation on endothelial function of the forearm resistance vessels in pts with cardiovascular disease.
Study design: 36 pts with CAD or PAD are randomly assigned to either rosuvastatin 10mg/d or vitamin supplementation with folic acid 1mg, vitamin B12 0.4mg and B6 10mg/d for 6 weeks in a double-blinded design. After 6 weeks all pts receive rosuvastatin and vitamin supplementation in combination for additional 6 weeks.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
36
Vitamin supplementation with folic acid 1mg/d, vitamin B12 0.4mg/d and B6 10mg/d po for 6 weeks alone vs. rosuvastatin 10mg/d for 6 weeks alone and thereafter combined treatment for 6 weeks
Flow mediated dilatation (FMD)
Time frame: after 6 weeks of randomized treatment and after 6 weeks of combined treatment
changes in biochemistry parameters
Time frame: after 6 weeks of randomized treatment and after 6 weeks of combined treatment
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