• Yoshimasa Aso, Masaaki Sagara, Takafumi Niitani, Kanako Kato, Toshie Iijima, Takuya Tomaru, Teruo Jojima, and Isao Usui.
• Department of Endocrinology and Metabolism, Dokkyo Medical University, Mibu, Tochigi, Japan yaso@dokkyomed.ac.jp.
• J. Investig. Med. 2021 Oct 1; 69 (7): 132413291324-1329.

AbstractA better baseline renal function is associated with a better response to sodium-glucose co-transporter-2 inhibitors in patients with type 2 diabetes. Low serum adiponectin is associated with visceral fat accumulation and hepatic steatosis. We investigated the relationship between baseline serum adiponectin and glycemic response to dapagliflozin in patients with type 2 diabetes and non-alcoholic fatty liver disease (NAFLD). In a randomized, active-controlled, open-label trial, 57 patients with type 2 diabetes and NAFLD were randomized to either the dapagliflozin (5 mg/d) group or the control group. Both groups were treated for 24 weeks. Serum high-molecular-weight (HMW) adiponectin was measured with an ELISA kit. Visceral fat area (VFA) was measured by dual bioelectrical impedance analysis. Hepatic steatosis was assessed by the controlled attenuation parameter (CAP) measured by a transient elastography (FibroScan). Treatment with dapagliflozin significantly decreased HbA1c from 8.4%±1.5% at baseline to 7.4%±1.2% at 24 weeks. Both VFA and CAP decreased in the dapagliflozin group. Baseline serum HMW adiponectin was negatively correlated with changes in HbA1c from baseline to 24 weeks with dapagliflozin therapy. In the multivariate analysis, baseline HbA1c (β=-0.559, p=0.002) and serum HMW adiponectin (β=0.471, p=0.010) were independent determinants for the change (reduction) in HbA1c. In the dapagliflozin group, the change in HbA1c was positively correlated with the changes of CAP, but negatively correlated with the change in serum HMW adiponectin. In conclusion, a lower serum level of HMW adiponectin was associated with a better response to dapagliflozin in patients with type 2 diabetes and NAFLD.Trial registration numberUMIN000022155.© American Federation for Medical Research 2021. No commercial re-use. See rights and permissions. Published by BMJ.

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