Attenuation of progression of insulin resistance in patients with coronary artery disease by bezafibrate.
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Tenenbaum A, Fisman EZ, Boyko V, Benderly M, Tanne D, Haim M, Matas Z, Motro M, Behar S
Attenuation of progression of insulin resistance in patients with coronary artery disease by bezafibrate.
Arch Intern Med. 2006 Apr 10;166(7):737-41.
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- 16606809 [ View in PubMed]
- Abstract
BACKGROUND: Development of insulin resistance (IR) may be important in the pathogenesis of both metabolic syndrome and type 2 diabetes mellitus. Few data are available regarding the short-term efficacy of the peroxisome proliferator-activated receptor ligand bezafibrate on IR, and its long-term effect is unknown. The present analysis aimed to investigate the effect of bezafibrate on IR in patients with coronary artery disease enrolled in the Bezafibrate Infarction Prevention Study. METHODS: Metabolic and inflammatory parameters were analyzed from stored frozen plasma samples obtained from patients who completed a 2-year, randomized, double-blind, placebo-controlled study. The homeostatic indexes of IR (HOMA-IRs) were calculated according to the homeostasis model of assessment. RESULTS: Both the patients taking bezafibrate (n = 1262) and those taking placebo (n = 1242) displayed similar baseline characteristics. The HOMA-IRs significantly correlated at baseline and during follow-up with glucose (r = 0.35 and 0.31, respectively) and triglycerides (r = 0.16 and 0.19, respectively). In a subgroup of 351 patients with diabetes, HOMA-IR at baseline was 88% higher than in their counterparts with normal glucose levels (P<.001). In the placebo group, during follow-up there was a significant 34.4% rise in HOMA-IR. In contrast, in the bezafibrate group there was only a nonsignificant 6.6% change in HOMA-IR. The intergroup differences in percentage changes of HOMA-IR were in favor of bezafibrate (P<.001). CONCLUSIONS: In patients with coronary artery disease enrolled in our study, as represented by the placebo group, HOMA-IR increased over time. During the 2 years of the follow-up, bezafibrate significantly attenuated this process.
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