Journal of Atherosclerosis and Thrombosis
Online ISSN : 1880-3873
Print ISSN : 1340-3478
ISSN-L : 1340-3478
Effect of Bezafibrate Treatment on the Altered Lipoprotein Profiles in Hypertriglyceridemic Subjects
Mihoko NoriokaMasaaki SuzukiKayoko RyomotoMotoyoshi IkebuchiYutaka Harano
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Keywords: TG, HDL, VLDL, Bezafibrate, ApoB
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2000 Volume 7 Issue 4 Pages 198-202

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Abstract

The effects of bezafibrate treatment on lipoprotein metabolism were investigated in hypertriglyceridemic subjects. Bezafibrate, a fibric acid derivative, was administered at 200-400 mg/day to 8 patients with hyperlipoproteinemia (type lib and IV) for 3-6 months. We evaluated the effects of bezafibrate on the plasma levels of total cholesterol (chol), triglyceride (TG), and apoB. In addition, the lipid and apoB contents were also analyzed in VLDL, IDL, LDL and HDL fractions before and after the treatment. It was revealed that plasma levels of chol, TG and apoB significantly decreased after the treatment, 236.3 vs 210.9, 192.4 vs 90.2 (p< 0.01) and 129.8 vs 116.2 (p< 0.05) mg/dI respectively. VLDL-chol, VLDL-TG and VLDL-apoB dropped from 26.5, 127.6 and 11.1 mg/di to 9.1, 49.5 and 6.7 mg/ dl respectively after the treatment. Regarding qualitative alterations of VLDL, TG/apoB, chol/apoB and TG + chol/apoB ratios in VLDL were significantly reduced, indicating that the size of VLDL was diminished by the treatment. In addition, HDL-chol increased from 40.4 to 60.8 mg/di after the treatment. Consequently LDL-chol/HDL-chol significantly decreased. In conclusion, bezafibrate administration decreased the TG, chol and apoB content in VLDL, suggesting a reduced number of VLDL. Significant rise of HDL-chol and decrease of LDL-chol/HDL-chol are additional beneficial effects following bezafibrate treatment.

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