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Effects of Canagliflozin Versus Glimepiride on Adipokines and Inflammatory Biomarkers in Type 2 Diabetes.

Effects of Canagliflozin Versus Glimepiride on Adipokines and Inflammatory Biomarkers in Type 2 Diabetes.
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Timothy Garvey W, Van Gaal L, Leiter LA, Vijapurkar U, List J, Cuddihy R, Ren J, Davies MJ,


Timothy Garvey W, Van Gaal L, Leiter LA, Vijapurkar U, List J, Cuddihy R, Ren J, Davies MJ, (click to view)

Timothy Garvey W, Van Gaal L, Leiter LA, Vijapurkar U, List J, Cuddihy R, Ren J, Davies MJ,

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Metabolism: clinical and experimental 2018 02 13() pii S0026-0495(18)30041-6
Abstract
OBJECTIVE
Type 2 diabetes and obesity are pro-inflammatory states associated with increased risk of cardiovascular disease. Canagliflozin, an SGLT2 inhibitor, demonstrated superiority in lowering HbA1c versus glimepiride with less hypoglycemia and greater weight reduction via loss of fat mass in a 52-week trial of type 2 diabetes patients. This post hoc, exploratory analysis assessed the effects of canagliflozin versus glimepiride on select adipokines, inflammatory biomarkers, and chemokines.

METHODS
Changes from baseline to Week 52 in serum leptin, adiponectin, IL-6, TNFα, CRP, PAI-1, VCAM-1, and MCP-1 were measured in a randomly selected subset of type 2 diabetes patients on metformin receiving canagliflozin 300 mg (n = 100) or glimepiride (n = 100) in the overall study. Correlations between change in biomarkers and change in select metabolic and anthropometric variables were assessed.

RESULTS
At Week 52, canagliflozin decreased median serum leptin by 25% (95% CI: -34%,-15%) and increased median serum adiponectin by 17% (95% CI: 11%,23%) compared with glimepiride. There was a 22% reduction in median serum IL-6 (95% CI: -34%,-10%) and a 7% increase in median serum TNFα (95% CI: 1%,12%) with canagliflozin versus glimepiride. No between-group differences were observed with the other biomarkers. The decrease in serum leptin with canagliflozin was correlated with change in weight (r ≥ 0.3) only; the increase in adiponectin and decrease in IL-6 with canagliflozin occurred independently of changes in HbA1c, weight, or lipids.

CONCLUSIONS
These results indicate that canagliflozin may improve adipose tissue function and induce changes in serum leptin, adiponectin, and IL-6 that favorably impact insulin sensitivity and cardiovascular disease risk.

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