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  • Title: Bezafibrate and lovastatin decrease the oxidizability of low-density lipoproteins in heart transplant recipients with hyperlidemia.
    Author: Zambrana JL, López-Miranda J, Blanco A, Arizón JM, Jansen S, Paniagua JA, Jimenéz-Perepérez JA, Concha M, Pérez-Jiménez F.
    Journal: J Heart Lung Transplant; 1998 Dec; 17(12):1213-9. PubMed ID: 9883763.
    Abstract:
    BACKGROUND: Oxidized low-density lipoprotein plays an important role in the development of atherosclerosis. We evaluated the effect of two lipid-lowering drugs, bezafibrate and lovastatin, on the susceptibility of low-density lipoproteins for oxidation in vitro in 21 heart transplant recipients with hyperlipidemia. METHODS: Patients were given the same diet for 3 months, and after that they were randomized to lovastatin or bezafibrate for a period of 8 weeks and then crossed over to an additional 8 weeks of either bezafibrate or lovastatin. Baseline parameters were also compared with those of a control group of healthy subjects and after both periods of pharmacologic treatment. RESULTS: The low-density lipoproteins of transplant recipients presents a shorter lag time than in control subjects (64+/-3 vs 80+/-4 minutes, respectively). This parameter increases after both bezafibrate and lovastatin treatment (83+/-5 and 80+/-4 minutes, respectively). Moreover, we did observe a negative correlation between insulinemia and the lag time of oxidation after bezafibrate treatment (r = -0.5014, P < .021) and between the polyunsaturated fatty acids/monounsaturated fatty acids ratio in low-density lipoprotein cholesterol esters and lag time after lovastatin treatment (r = -0.4631, P < .04). CONCLUSIONS: Bezafibrate and lovastatin decrease the oxidizability of low-density lipoproteins in heart transplant recipients with hyperlipemia.
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