Characterization of renal glucose reabsorption in response to dapagliflozin in healthy subjects and subjects with type 2 diabetes

Ralph A. Defronzo, Marcus Hompesch, Sreeneeranj Kasichayanula, Xiaoni Liu, Ying Hong, Marc Pfister, Linda A. Morrow, Bruce R. Leslie, David W. Boulton, Agatha Ching, Frank P. Lacreta, Steven C. Griffen

Resultado de la investigación: Articlerevisión exhaustiva

208 Citas (Scopus)


OBJECTIVE To examine the effect of dapagliflozin, a sodium-glucose cotransporter 2 (SGLT2) inhibitor, on themajor components of renal glucose reabsorption (decreasedmaximum renal glucose reabsorptive capacity [TmG], increased splay, and reduced threshold), using the pancreatic/stepped hyperglycemic clamp (SHC) technique. RESEARCH DESIGN AND METHODSdSubjects with type 2 diabetes (n = 12) and matched healthy subjects (n = 12) underwent pancreatic/SHC (plasma glucose range 5.5-30.5 mmol/L) at baseline and after 7 days of dapagliflozin treatment. A pharmacodynamic model was developed to describe the major components of renal glucose reabsorption for both groups and then used to estimate these parameters from individual glucose titration curves. RESULTSdAt baseline, type 2 diabetic subjects had elevated TmG, splay, and threshold compared with controls. Dapagliflozin treatment reduced the TmG and splay in both groups. However, the most significant effect of dapagliflozin was a reduction of the renal threshold for glucose excretion in type 2 diabetic and control subjects. CONCLUSIONSdThe SGLT2 inhibitor dapagliflozin improves glycemic control in diabetic patients by reducing the TmG and threshold at which glucose is excreted in the urine.

Idioma originalEnglish (US)
Páginas (desde-hasta)3169-3176
Número de páginas8
PublicaciónDiabetes care
EstadoPublished - oct 2013

ASJC Scopus subject areas

  • Advanced and Specialized Nursing
  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism


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