Simvastatin increases plasma NO2- and NO3- levels in patients with hypercholesterolemia

Atherosclerosis
Y NakashimaA Kuroiwa

Abstract

In this study, plasma NO2- and NO3- (NOx-) levels were studied after lowering cholesterol with simvastatin in 26 outpatients with hypercholesterolemia (male, 9; female, 17; mean age, 59 +/- 12 years; cholesterol level > 220 mg/dl). Simvastatin (5 mg) was orally administered once daily, and blood samples were collected before, and after 4 and 12 weeks of treatment. Total, very-low-density lipoprotein (VLDL), and low-density lipoprotein (LDL) cholesterol were lowered (total, 254 +/- 44 mg/dl to 209 +/- 34 mg/dl; VLDL, 48 mg/dl [5-126 mg/dl] to 34 mg/dl [10-67 mg/dl]; LDL, 171 +/- 41 mg/dl to 133 +/- 37 mg/dl), but high-density lipoprotein (HDL) cholesterol was elevated (33 +/- 9.5 mg/dl to 39 +/- 11 mg/dl) at 12 weeks after starting simvastatin. Although the effects of simvastatin on the lipid levels nearly reached their maximum levels at 4 weeks, NOx- was elevated in a linear fashion with simvastatin (before; 8 +/- 17 mumol/l, at 12 weeks; 57 +/- 32 mumol/l). The % changes in the NOx- correlated directly with those in HDL-cholesterol at 12 weeks (P < 0.002) but not with other lipoprotein cholesterol fractions. These results suggest that simvastatin lowers cholesterol levels and elevates HDL while increasing the plasma NOx- levels.

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Citations

Jul 24, 2013·Nitric Oxide : Biology and Chemistry·V L AndradeV C Sandrim
Oct 4, 2002·Clinical and Applied Thrombosis/hemostasis : Official Journal of the International Academy of Clinical and Applied Thrombosis/Hemostasis·Maria A SardoAntonino Saitta
Jan 25, 2005·Therapeutic Apheresis and Dialysis : Official Peer-reviewed Journal of the International Society for Apheresis, the Japanese Society for Apheresis, the Japanese Society for Dialysis Therapy·Kengo KobayashiYasuhide Nakashima

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