期刊
ATHEROSCLEROSIS
卷 195, 期 2, 页码 E182-E189出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.atherosclerosis.2007.06.010
关键词
Hypercholesterolemia; Atorvastatin; CoQ10; Supplementation; Adverse effects
资金
- Kaneka Co., Osaka
The long-term efficacy and safety of HMG-CoA reductase inhibitors (statins) have been established in large multicenter trials. Inhibition of this enzyme, however, results in decreased synthesis of cholesterol and other products downstream of mevalonate, such as CoQ10 or dolichol. This was a randomized double-blind, placebo-controlled study that examined the effects of CoQ10 and placebo in hypercholesterolemic patients treated by atorvastatin. Eligible patients were given 10 mg/day of atorvastatin for 16 weeks. Half of the patients (n = 24) were supplemented with 100 mg/day of CoQ10, while the other half (n = 25) were given the placebo. Serum LDL-C levels in the CoQ10 group decreased by 43%, while in the placebo group by 49%. The HDL-C increment was more striking in the CoQ10 group than in the placebo group. All patients showed definite reductions of plasma CoQ10 levels in the placebo group, by 42%. All patients supplemented with CoQ10 showed striking increases in plasma CoQ10 by 127%. In conclusion atorvastatin definitely decreased plasma CoQ10 levels and supplementation with CoQ10 increased their levels. These changes in plasma CoQ10 levels showed no relation to the changes in serum AST, ALT and CK levels. Further studies are needed, however, for the evaluation of CoQ10 supplementation in statin therapy. (C) 2007 Elsevier Ireland Ltd. All rights reserved.
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