Abstract
BackgroundWe elucidated the difference between the effects of bezafibrate and atorvastatin in hypertriglyceridemia with apoE2/2 and 3/3. MethodsAn open randomized crossover study consisted of a 4-week treatment period with bezafibrate (400mg daily) or atorvastatin (10mg daily) and a 4-week wash-out period. ResultsBezafibrate significantly decreased serum concentrations of triglyceride (apoE2/2, E3/3: −49.2%, −39.0%) and significantly increased high-density lipoprotein (HDL) cholesterol (+28.5%, +26.1%) in both apoE phenotypes but did not change serum concentrations of low-density lipoprotein (LDL) cholesterol. Atorvastatin significantly decreased serum concentrations of LDL cholesterol (−34.0%, −30.0%) and triglyceride (−27.6%, −25.8%) in both apoE phenotypes but did not change HDL cholesterol concentrations. Changes in cholesterol in lipoprotein subfractions were not different between apoE2/2 and E3/3. Bezafibrate changed cholesterol distribution from small- to large-sized LDL and from large- to small-sized HDL. On the other hand, atorvastatin decreased cholesterol in all apoB-containing lipoprotein subfractions but did not change any of the HDL subfractions. ConclusionBezafibrate and atorvastatin improve atherogenic dyslipidemia in considerably different ways. Extrapolating from the present data, we presume that the combination of these drugs may contribute to reduce LDL-C/HDL-C ratio effectively as well as lowering concentrations of serum triglyceride.
Published Version
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