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  • Title: Comparison of bezafibrate and simvastatin in the treatment of dyslipidaemia in patients with NIDDM.
    Author: Jeck T, Riesen WF, Keller U.
    Journal: Diabet Med; 1997 Jul; 14(7):564-70. PubMed ID: 9223394.
    Abstract:
    Fibrates and HMG CoA reductase inhibitors are commonly used in the treatment of diabetic dyslipidaemia. However, these two groups of drugs have not been compared in diabetic patients in a randomized controlled trial. Therefore, a multicentre study was performed in 73 subjects with non-insulin-dependent (Type 2) diabetes mellitus (NIDDM) and combined hyperlipidaemia (serum cholesterol 6.2-10.0 mmol l(-1), serum triglycerides 2.3-10.0 mmol l(-1)), comparing the efficacy of 400 mg bezafibrate with 10 mg simvastatin in a double-blind fashion. Treatment with bezafibrate during 12 weeks reduced serum triglycerides significantly more than simvastatin (-41% vs -22%, p < 0.001) and increased HDL cholesterol more (bezafibrate: + 17% vs simvastatin: + 9%, p < 0.05). LDL cholesterol levels decreased by 14% (p < 0.001) during simvastatin and increased by 21% (p < 0.01) during bezafibrate. This increase in LDL cholesterol was positively correlated with fasting serum triglycerides (p < 0.001) and was associated with a reduction of the serum apolipoprotein B concentration, suggesting an increase in LDL particle size. Metabolic control of diabetes (fasting glycaemia; HbA1c) and insulin secretion (C-peptide levels) were unaffected by both treatments. The incidence of side-effects during treatment was similar for both drugs. Thus, 400 mg bezafibrate mainly increases HDL cholesterol and lowers serum triglycerides but at the expense of an increase in LDL cholesterol; 10 mg simvastatin lowers LDL cholesterin more effectively but has a smaller effect on HDL cholesterol and triglycerides.
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