Cited by 293Diabetes Treatment and ManagementDiabetes Management and ResearchChronic Kidney Disease and Diabetes

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

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DeFronzo, Ralph A., Hompesch, Marcus, Kasichayanula, Sreeneeranj, Liu, Xiaoni, Hong, Ying, Pfister, Marc, Morrow, Linda A., Leslie, Bruce R. +4 more·2013·Diabetes Care

Abstract

OBJECTIVE: To examine the effect of dapagliflozin, a sodium-glucose cotransporter 2 (SGLT2) inhibitor, on the major components of renal glucose reabsorption (decreased maximum renal glucose reabsorptive capacity [TmG], increased splay, and reduced threshold), using the pancreatic/stepped hyperglycemic clamp (SHC) technique. RESEARCH DESIGN AND METHODS: Subjects 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. RESULTS: At 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. CONCLUSIONS: The SGLT2 inhibitor dapagliflozin improves glycemic control in diabetic patients by reducing the TmG and threshold at which glucose is excreted in the urine.

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  • SGLT2 inhibitors lower the proximal tubule's capacity to reabsorb glucose, producing acute glycosuria and better glycemic control over time.

    “Studies with inhibitors of the SGLT2 transporter indeed showed that these drugs decrease the glucose reabsorption capacity of the proximal tubule, thereby acutely increasing glycosuria and improving glycemic control over time (DeFronzo et al., 2013).”

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Authors
DeFronzo, R. A., Hompesch, M., Kasichayanula, S., Liu, X., Hong, Y., Pfister, M., Morrow, L. A., Leslie, B. R., Boulton, D. W., Ching, A., LaCreta, F. P., & Griffen, S. C.
Affiliations
  • The University of Texas at San Antonio Health Science Center (US)
  • Profil Institute for Clinical Research (US)
  • Bristol-Myers Squibb (United States) (US)
Corresponding author
DeFronzo, Ralph A.
Venue
Diabetes Care
Published
2013-09-14
Volume
36
Issue
10
Pages
3169-3176
ISSN
  • 0149-5992 (ISSN-L)
  • 1935-5548
OpenAlex
W2120922908
Cited by
293
References
26
Citations by year
2026: 14 · 2025: 15 · 2024: 22 · 2023: 27 · 2022: 17 · 2021: 22 · 2020: 22 · 2019: 23 · 2018: 30 · 2017: 24 · 2016: 30 · 2015: 24 · 2014: 22 · 2013: 1
FWCI
20.19
Type
journal article
Language
en
Open access
Locations
  • Diabetes Care (publishedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
Funders
National Institute of Diabetes and Digestive and Kidney Diseases (R56DK024092)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Treatment and Management
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
  • Health Sciences › Medicine › Nephrology › Chronic Kidney Disease and Diabetes
Keywords
dapagliflozin, SGLT2 inhibitors, renal glucose reabsorption, type 2 diabetes, renal glucose threshold, pharmacodynamic modeling, glycemic control
MeSH terms
Adult, Benzhydryl Compounds, Diabetes Mellitus, Type 2, Female, Glucose, Glucosides, Humans, Hypoglycemic Agents, Kidney, Male, Middle Aged, Sodium-Glucose Transport Proteins

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