Xenical Research Today is a free monthly online journal that collates and summarizes the latest research about Xenical, including details on orlistat, side-effects, obesity, weight loss, dieting. | ||||||||
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The effect of orlistat and fenofibrate, alone or in combination, on small dense LDL and lipoprotein-associated phospholipase A(2) in obese patients with metabolic syndrome.Filippatos TD, Gazi IF, Liberopoulos EN, Athyros VG, Elisaf MS, Tselepis AD, Kiortsis DN Department of Internal Medicine, Medical School, University of Ioannina, 45 110 Ioannina, Greece. BACKGROUND: Increased concentration of small dense LDL cholesterol (sdLDL-C) and activity of lipoprotein-associated phospholipase A2 (Lp-PLA(2)) are considered as emerging cardiovascular risk factors and are commonly encountered in subjects with metabolic syndrome (MetS). OBJECTIVE: The primary endpoint of this study was the effect of orlistat and fenofibrate, alone or in combination, on Lp-PLA(2) activity and LDL phenotype in overweight and obese patients (body mass index>28kg/m(2)) with MetS. METHODS: Patients (n=89) were prescribed a low-fat low-calorie diet and were randomly allocated to receive orlistat 120mg three times daily (O group), micronized fenofibrate 200mg/day (F group) or both (OF group) for 6 months. RESULTS: Significant reductions of sdLDL-C levels were observed in all treatment groups. Groups F and OF experienced a greater reduction in sdLDL-C levels (p<0.05) together with a greater increase in LDL particle diameter (p<0.05) compared with group O. Total plasma Lp-PLA(2) activity significantly decreased in all treatment groups. The reduction of Lp-PLA(2) was more pronounced with OF administration compared with each monotherapy (p<0.05). CONCLUSION: Orlistat and fenofibrate exhibited favorable effects on Lp-PLA(2) activity and LDL phenotype in overweight and obese patients with MetS. Importantly, combination treatment had a more favorable effect on these risk factors. Published 20 July 2007 in Atherosclerosis, 193(2): 428-37.
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