Abstract
Objective: Weight gain is a common problem in the insulin treatment. SGLT2 inhibitors are expected to reduce body weight (BW) due to negative energy balance. Previous reports suggested that BW reduction is achieved mainly by loss of body fat, and ∼20% of reduction is by lean mass. However, the efficacy of SGLT2 inhibitor on BW and body composition remains unclear. We examined these in the Japanese T2DM treated with insulin. Methods: The study was an open label randomized controlled trial. Primary endpoint was the change in BW from baseline to week 24 between the two groups. Fifty overweight patients (BMI > 23) who had inadequate glycemic control with insulin treatment were randomly assigned to ipragliflozin (Ipra) or standard treatment (Con) and followed for 24 weeks. Body composition was assessed by DEXA and impedance method. Results: The change in BW was significantly larger in Ipra compared to Con. Ipra showed significant larger reduction of HbA1c. Total fat mass was reduced in the Ipra compared to Con mainly due to lower limb fat and trunk fat. Total muscle mass was maintained at lower limbs and trunk but tended to be reduced at arm in Ipra. Conclusion: Ipragliflozin treatment for 24 weeks resulted in reduction of BW mainly due to fat mass at lower limb and trunk. Reduction of the muscle mass at lower limb may be protected by anti-gravity effect. Disclosure K. Morino: Research Support; Self; Astellas Pharma US, Inc., AstraZeneca, Sunstar Inc., CMIC Pharmascience, Kowa Pharmaceutical. H. Inoue: None. K. Fuse: None. S. Tanaka: None. K. Kondo: None. H. Arima: Advisory Panel; Self; Kyowa Kirin. Speaker's Bureau; Self; Takeda Japan, Daiichi Sankyo Company, Limited. K. Miura: None. D. Sato: None. N. Ohashi: None. S. Ida: None. I. Miyazawa: None. O. Sekine: None. S. Ugi: Research Support; Self; Boehringer Ingelheim Pharmaceuticals, Inc., MSD K.K. H. Maegawa: Speaker's Bureau; Self; Astellas Pharma US, Inc.. Research Support; Self; Astellas Pharma US, Inc.. Speaker's Bureau; Self; Mitsubishi Tanabe Pharma Corporation. Research Support; Self; Mitsubishi Tanabe Pharma Corporation. Speaker's Bureau; Self; Sanofi. Research Support; Self; Sanofi. Speaker's Bureau; Self; Nippon Boehringer Ingelheim Co. Ltd.. Research Support; Self; Nippon Boehringer Ingelheim Co. Ltd.. Speaker's Bureau; Self; Daiichi Sankyo Company, Limited. Research Support; Self; Daiichi Sankyo Company, Limited, Takeda Pharmaceutical Company. Speaker's Bureau; Self; Takeda Pharmaceutical Company, Novo Nordisk A/S, Eli Lilly and Company.
Published Version
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