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  • Title: Role of plasma adiponectin on the HDL-cholesterol raising effect of atorvastatin in patients with type 2 diabetes.
    Author: van Hoek M, van Tol A, van Vark-van der Zee LC, Jansen H, Kastelein JJ, Sijbrands EJ, Dallinga-Thie GM.
    Journal: Curr Med Res Opin; 2009 Jan; 25(1):93-101. PubMed ID: 19210142.
    Abstract:
    OBJECTIVE: Adiponectin, secreted by adipose tissue, plays an important role in lipoprotein metabolism and also affects carbohydrate and insulin pathways. We studied the effects of atorvastatin treatment on plasma adiponectin and high density cholesterol (HDL) levels in patients with type 2 diabetes. RESEARCH DESIGN AND METHODS: In the 'Diabetes Atorvastatin Lipid Intervention' (DALI) study, a randomized placebo-controlled study on the effects of atorvastatin treatment in 194 patients with type 2 diabetes and mildly elevated plasma triglycerides, adiponectin levels, lipoproteins, cholesteryl ester transfer protein (CETP) mass, as well as postheparin lipoprotein lipase (LPL) and hepatic lipase (HL) activities were assessed at baseline and after 6 months of treatment (placebo, 10 mg or 80 mg atorvastatin). RESULTS: At baseline, plasma adiponectin levels were positively associated with HDL cholesterol (r = 0.40, p < 0.001), and apoA-I (r = 0.38, p < 0.001) in both males and females. Adiponectin was negatively associated with triglycerides (r = -0.26, p < 0.001) in males as well as in females. Atorvastatin treatment had no effect on plasma adiponectin levels. However, adiponectin levels at baseline significantly predicted the effect of atorvastatin treatment on HDL-cholesterol (p = 0.007), i.e. patients with the highest baseline plasma adiponectin concentration (tertile 3) displayed the largest increase in plasma HDL cholesterol during treatment (8-10%), while the HDL-cholesterol increase in tertile 1 was almost negligible (1-3%). CONCLUSION: In this study, high baseline plasma adiponectin levels significantly affect the HDL-cholesterol response to atorvastatin treatment in patients with type 2 diabetes and therefore may play a role in defining future treatment strategy.
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