1. The effect of high dose atorvastatin therapy on lipids and lipoprotein subfractions in overweight patients with type 2 diabetes.
- Author
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Lawrence JM, Reid J, Taylor GJ, Stirling C, and Reckless JP
- Subjects
- Aged, Aged, 80 and over, Analysis of Variance, Apolipoproteins B drug effects, Apolipoproteins B metabolism, Atorvastatin, Body Mass Index, Diabetes Mellitus, Type 2 complications, Diabetes Mellitus, Type 2 diagnosis, Dose-Response Relationship, Drug, Double-Blind Method, Drug Administration Schedule, Female, Follow-Up Studies, Humans, Lipoproteins drug effects, Lipoproteins, LDL drug effects, Lipoproteins, LDL metabolism, Lipoproteins, VLDL drug effects, Lipoproteins, VLDL metabolism, Male, Middle Aged, Obesity complications, Obesity diagnosis, Reference Values, Treatment Outcome, Diabetes Mellitus, Type 2 drug therapy, Heptanoic Acids administration & dosage, Lipid Metabolism, Lipoproteins metabolism, Obesity drug therapy, Pyrroles administration & dosage
- Abstract
Few data are available on the effects of high dose statin therapy on lipoprotein subfractions in type 2 diabetes. In a double blind randomised placebo-controlled trial we have studied the effects of 80 mg atorvastatin over 8 weeks on LDL, VLDL and HDL subfractions in 40 overweight type 2 diabetes patients. VLDL and LDL subfractions were prepared by density gradient ultracentrifugation. Triglycerides, cholesterol, total protein and phospholipids were measured and mass of subfractions calculated. HDL subfractions were prepared by precipitation. Atorvastatin 80 mg produced significant falls in LDL subfractions (LDL(1) 66.2 mg/dl:36.6 mg/dl, LDL(2) 118:56.6 mg/dl, LDL(3) 36.9:19.9 mg/dl all P < 0.01 relative to placebo) and VLDL subfractions (VLDL(1) 55:22.1 mg/dl, VLDL(2) 40.1:19.1 mg/dl, VLDL(3) 52.6:30 mg/dl all P < 0.01 relative to placebo). There was no change in the proportion of LDL present as LDL(3). There was a reduction in the proportion of VLDL as VLDL(1) and a reciprocal increase in the proportion as VLDL(3). Changes in VLDL subfractions were associated with changes in lipid composition, particularly a reduction in cholesterol ester and a reduction in the cholesterol ester/triglyceride ratio. Effects on HDL subfractions were largely neutral. High dose atorvastatin produces favourable effects on lipoprotein subfractions in type 2 diabetes which may enhance antiatherogenic potential.
- Published
- 2004
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