期刊
DIABETES OBESITY & METABOLISM
卷 14, 期 2, 页码 181-186出版社
WILEY-BLACKWELL
DOI: 10.1111/j.1463-1326.2011.01510.x
关键词
adiponectin; ambulatory blood pressure; C-reactive protein; oxidant stress; rosiglitazone; simvastatin
资金
- Glaxo Smith Kline
Aim: Individually, statins and thiazolidinediones (TZDs) show positive effects on atherosclerosis progression in cellular and animal models as well as patients with diabetes; however, their combined effects have not been studied. This study examines the effects of simvastatin combined with rosiglitazone on vascular inflammation, oxidant stress, ambulatory blood pressure (BP) and other atherosclerotic factors in patients with the metabolic syndrome. Methods: This is a randomized, double blind, placebo-controlled study in 53 subjects with the metabolic syndrome. Participants were randomized to simvastatin 40 mg/day plus placebo vs. simvastatin 40 mg/day plus rosiglitazone 4 mg/day for 6 months. The primary endpoint was the between-group difference in high-sensitivity C-reactive protein (hs-CRP) and secondary variables including urinary isoprostanes, serum malondialdehyde (MDA), ambulatory BP, adiponectin, and lipid and glycaemic profiles. Results: At study end, the group randomized to the simvastatin/rosiglitazone combination had a greater reduction in hs-CRP of 1.33 mg/dl, (p = 0.029) and showed a trend for a greater reduction in urinary isoprostane (-39%), (p = 0.056) compared to simvastatin/placebo group. Changes in MDA levels did not differed between groups (p = 0.81). 24-h systolic blood pressure (SBP) also showed a 4.5 mmHg reduction at 6 months (p = 0.06). Adiponectin levels increased by 3.91 mu g/ml in the combination group over placebo, (p = 0.03) and blood glucose decreased in combination group vs. placebo. Conclusion: Our data show that patients with the metabolic syndrome given a statin/TZD combination manifest greater reductions in markers of vascular inflammation and oxidant stress, 24-h ambulatory BP and increases in adiponectin as well as improved glycaemic indices.
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