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  • Title: Time course differences for statin-induced pleiotropic effects in hypercholesterolemic patients.
    Author: Sakabe K, Fukuda N, Wakayama K, Nada T, Shinohara H, Tamura Y.
    Journal: Int J Cardiol; 2004 Mar; 94(1):111-7. PubMed ID: 14996484.
    Abstract:
    BACKGROUND: It is unclear whether there are temporal differences for the pleiotropic effects for different members of the statin class. The present study investigated differences in the short- and intermediate-term pleiotropic effects of statins in hypercholesterolemic patients. METHODS: Thirty-five hypercholesterolemic patients were randomly treated with either atorvastatin or cerivastatin for 3 months. We measured fasting lipid concentrations, thiobarbituric acid reactive substances (TBARS), fibrinolytic parameters, and flow-mediated dilation of the brachial artery (FMD) at baseline and after 2 weeks and 3 months of therapy. RESULTS: After 2 weeks of therapy, atorvastatin decreased the low density lipoprotein (LDL) cholesterol, small, dense LDL cholesterol (34+/-22 vs. 18+/-20%, P<0.01), remnant-like particles (RLP) cholesterol (8.8+/-6.0 vs. 5.1+/-2.6 mg/ml, P<0.01), and TBARS (3.3+/-1.0 vs. 3.1+/-0.9 nmol/ml, P<0.05), and cerivastatin decreased LDL cholesterol. After 3 months of therapy, atorvastatin decreased small dense LDL cholesterol (8+/-13%, P<0.0001) additionally, and cerivastatin decreased small, dense LDL cholesterol (51+/-11 vs. 12+/-22%, P<0.0001) and plasminogen activator inhibitor type 1 (68+/-32 vs. 51+/-21 ng/ml, P<0.05). FMD increased significantly in both groups after 2 weeks, although the relative change in FMD was greater with cerivastatin therapy after 2 weeks than atorvastatin therapy (60+/-78 vs. 23+/-26%, P<0.05). However, FMD was the same for both groups after 3 months (58+/-65 vs. 66+/-61%, NS), because atorvastatin additionally increased FMD. There was no correlation between these pleiotropic effects and the improvement in the lipid profile for either group. CONCLUSIONS: These findings suggest that the degree of pleiotropic effect as well as the time course for the effect are different among members of the statin class of drugs.
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