Attenuation of Weight Loss Through Improved Antilipolytic Effect in Adipose Tissue Via the SGLT2 Inhibitor Tofogliflozin
Abstract
Although calorie loss from increased urinary glucose excretion continues after long-term treatment with sodium-glucose cotransporter 2 inhibitors (SGLT2is), the mechanisms of the attenuated weight loss due to SGLT2is are not well known. To examine the mechanism of the attenuated weight loss during long-term treatment with an SGLT2i, tofogliflozin, focusing on the antilipolytic effect of insulin on adipose tissue. An integrated analysis was performed using data from two phase 3 studies of 52 weeks of tofogliflozin administration. The antilipolytic effect was evaluated using adipose tissue insulin resistance (Adipo-IR) calculated from the product of the levels of fasting insulin (f-IRI) and fasting free fatty acids (f-FFAs). Data from 774 patients with type 2 diabetes (mean age, 58.5 years; glycosylated hemoglobin, 8.1%; body mass index, 25.6 kg/m2; estimated glomerular filtration rate, 83.9 mL/min/1.73m2; 66% men) were analyzed. Weight loss plateaued between weeks 24 and 52 after decreasing significantly. f-IRI levels decreased significantly from baseline to week 24, and the decrease was maintained until Week 52. f-FFA levels significantly increased, peaked at week 24, then declined from weeks 24 to 52. Adipo-IR levels declined ...Continue Reading
References
Sodium-glucose cotransporter 2 inhibitors for type 2 diabetes: a systematic review and meta-analysis
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