Abstract

SGLT2 inhibitors exhibit hypoglycemic effect via increased urinary glucose excretion (UGE) by inhibiting glucose reabsorption in the kidney. Although the effects of SGLT2 inhibitors are theoretically dependent on UGE, clinical trials have shown renoprotective effect even in severely impaired kidney function. Thus, we aimed to investigate the relationship between UGE and various parameters before and after the administration of SGLT2 inhibitors. The patients newly administered SGLT2 inhibitors and measured 24-hour UGE before and after the administration during hospitalization for diabetes education were included. Body weight (BW), blood ketone levels, hematocrit (Ht), eGFR, and 7-point SMBG (DBG) were measured, and the correlations between the parameters before(b-), after (a-) and the change (Δ-) were analyzed by simple linear regression. A total of 32 patients (age 59.3±10.9 years, 19 males) were included (empagliflozin 5, tohogliflozin 6, dapagliflozin 2, canagliflozin 4, luseogliflozin 15). The mean A1C and BW were 8.8±1.2% and 77.7±11.5kg, and mean UGE, average of DBG at baseline were 15.4 ± 27.5g/day and 10.3±2.0mM/L, respectively. As shown in table, ΔDBG showed correlation only with UGE before and after administration but not with ΔUGE. In conclusion, hypoglycemic effect of SGLT2 inhibitors is dependent on absolute amount of UGE but not on ΔUGE after administration. Disclosure Y.Hamamoto: None. Y.Yamada: Speaker's Bureau; Novo Nordisk Pharma Ltd., Teijin Pharma Limited, Ono Pharmaceutical Co., Ltd., Sumitomo Pharma Co., Ltd. Y.Seino: Research Support; Terumo Corporation, Nippon Boehringer Ingelheim, Arkray Marketing, Taisho Pharmaceutical Holdings Co., Ltd., Novo Nordisk, Ono Pharmaceutical Co., Ltd., Speaker's Bureau; Merck & Co., Inc., Nippon Boehringer Ingelheim, Arkray Marketing, Taisho Pharmaceutical Holdings Co., Ltd., Novo Nordisk, Ono Pharmaceutical Co., Ltd.

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