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Kidney Int. 2014 Apr;85(4):962-71. doi: 10.1038/ki.2013.356. Epub 2013 Sep 25.

Long-term study of patients with type 2 diabetes and moderate renal impairment shows that dapagliflozin reduces weight and blood pressure but does not improve glycemic control.

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Division of Nephrology, University of Utah Health Sciences Center, Salt Lake City, Utah, USA.
Department of Medicine, University of Padua, Padua, Italy.
Research and Development, Bristol-Myers Squibb, Princeton, New Jersey, USA.


In patients with diabetes, glycemic improvement by sodium-glucose cotransporter-2 inhibition depends on the kidney's ability to filter glucose. Dapagliflozin, a sodium-glucose cotransporter-2 inhibitor, reduces hyperglycemia in patients with diabetes and normal or mildly impaired renal function. In this randomized, double-blind, placebo-controlled study we assessed daily treatment with dapagliflozin in 252 patients with inadequately controlled type 2 diabetes and moderate renal impairment. The primary endpoint, the mean change in HbA1c, was not statistically different from placebo after 24 weeks (-0.41% and -0.44% for 5- and 10-mg doses, respectively, and -0.32% for placebo). The mean weight change from baseline was -1.54 and -1.89 kg for the 5- and 10-mg doses, respectively, and +0.21 kg for placebo. The mean systolic and diastolic blood pressure decreased in the dapagliflozin groups compared to placebo. Through 104 weeks, 13 patients receiving dapagliflozin and no patients receiving placebo experienced bone fracture. At 1 week, the mean serum creatinine increased with dapagliflozin 5 mg (+0.13 mg/dl) and 10 mg (+0.18 mg/dl) and did not change further after 104 weeks. Mean serum electrolytes did not change in any group, and there were fewer episodes of hyperkalemia with dapagliflozin than placebo. Thus, in patients with moderate renal impairment, dapagliflozin did not improve glycemic control, but reduced weight and blood pressure.


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