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Effects of Ipragliflozin on Diabetic Nephropathy and Blood Pressure in Patients With Type 2 Diabetes: An Open-Label Study.

Effects of Ipragliflozin on Diabetic Nephropathy and Blood Pressure in Patients With Type 2 Diabetes: An Open-Label Study.
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Ito D, Ikuma-Suwa E, Inoue K, Kaneko K, Yanagisawa M, Inukai K, Noda M, Shimada A,


Ito D, Ikuma-Suwa E, Inoue K, Kaneko K, Yanagisawa M, Inukai K, Noda M, Shimada A, (click to view)

Ito D, Ikuma-Suwa E, Inoue K, Kaneko K, Yanagisawa M, Inukai K, Noda M, Shimada A,

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Journal of clinical medicine research 2016 12 319(2) 154-162 doi 10.14740/jocmr2875w
Abstract
BACKGROUND
Sodium-glucose cotransporter 2 (SGLT2) inhibitors are novel agents used to treat type 2 diabetic patients. We investigated the efficacy of the SGLT2 inhibitor ipragliflozin on diabetic nephropathy in Japanese patients with type 2 diabetes.

METHODS
A 50 mg dose of ipragliflozin was administered for 24 weeks to 50 patients with type 2 diabetes who were concomitantly managed with diet and exercise therapy alone or antidiabetic medications other than SGLT2 inhibitors.

RESULTS
At the end of the 24-week ipragliflozin treatment, significant decreases in mean glycated hemoglobin (HbA1c) (1.0±1.2%) and body weight (2.7 ± 2.5 kg) were observed; in addition, median urinary albumin-to-creatinine ratio (UACR) significantly decreased from 15.5 (8.0 – 85.7) to 12.9 (7.4 – 36.3) mg/gCr. Sub-analysis by renal function at baseline revealed that median UACR in patients with estimated glomerular filtration rate (eGFR) ≥ 90 mL/min/1.73 m(2) decreased significantly from 12.3 (7.5 – 89.6) to 10.6 (5.8 – 27.3) mg/gCr. Furthermore, mean eGFR decreased significantly from 102.4 ± 8.6 to 93.6 ± 10.5 mL/min/1.73 m(2) in these patients. In contrast, UACR and eGFR did not change significantly in patients with eGFR < 90. In addition, analysis of the relationship between the amount of change in UACR and blood pressure at 24 weeks revealed a significant positive correlation between UACR and SBP values, independently of the presence of diabetic nephropathy. CONCLUSIONS
Our results indicate that ipragliflozin may facilitate HbA1c control and body weight reduction. Furthermore, our results also raise the possibility that ipragliflozin significantly reduces urinary albumin levels and improves glomerular hyperfiltration in a subset of patients with type 2 diabetes.

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