Effects of the SGLT2 Inhibitor Dapagliflozin on Energy Metabolism in Patients With Type 2 Diabetes: A Randomized, Double-Blind Crossover Trial.

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SGTL2 inhibitors increase urinary glucose excretion and have beneficial effects on cardiovascular and renal outcomes. The underlying mechanism may involve caloric restriction-like metabolic effects due to urinary glucose loss. We investigated the effects of dapagliflozin on 24-h energy metabolism and insulin sensitivity in patients with type 2 diabetes.There were 26 patients with type 2 diabetes randomized to a 5-week double-blind, crossover study with a 6- to 8-week washout. Indirect calorimetry was used to measure 24-h energy metabolism and the respiratory exchange ratio (RER), both by whole-room calorimetry and by ventilated hood during a two-step euglycemic-hyperinsulinemic clamp. Results are presented as the differences in least squares mean (95% CI) between treatments.Evaluable patients (n = 24) had a mean (SD) age of 64.2 (4.6) years, BMI of 28.1 (2.4) kg/m2, and HbA1c of 6.9% (0.7) (51.7 [6.8] mmol/mol). Rate of glucose disappearance was unaffected by dapagliflozin, whereas fasting endogenous glucose production (EGP) increased by dapagliflozin (+2.27 [1.39, 3.14] μmol/kg/min, P 


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Authors: Yvo J M Op den Kamp, Marlies de Ligt, Bas Dautzenberg, Esther Kornips, Russell Esterline, Matthijs K C Hesselink, Joris Hoeks, Vera B Schrauwen-Hinderling, Bas Havekes, Jan Oscarsson, Esther Phielix, Patrick Schrauwen

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