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Updated: Dec 29, 2025

Characterization of Metabolic Status in Nonhuman Primates with the Intravenous Glucose Tolerance Test
Published on: November 13, 2016
Renal physiology of glucose handling and therapeutic implications
David Z Cherney1,2,3,4, Mehmet Kanbay5, Julie A Lovshin1,4,6,7
1Toronto General Hospital Research Institute, UHN, Toronto, ON, Canada.
Abstract:
The rationale for using sodium-glucose cotransporter 2 (SGLT2) inhibitors in patients with type 2 diabetes (T2D) has evolved over the last decade. Due to the effects on glucosuria and body weight loss, SGLT2 inhibitors were originally approved for glycemic control in T2D. Since glucosuria is attenuated in chronic kidney disease (CKD) Stages 3-5, initial regulatory approval for SGLT2 inhibitor use was limited to patients with T2D and preserved estimated glomerular filtration rate. Over time, however, it has become increasingly apparent that these therapies have a variety of important pharmacodynamic and clinical effects beyond glycemic lowering, including antihypertensive and antialbuminuric properties, and the ability to reduce glomerular hypertension. Importantly, these sodium-related effects are preserved across CKD stages, despite attenuated glycemic effects, which are lost at CKD Stage 4. With the completion of cardiovascular (CV) outcome safety trials-EMPA-REG OUTCOME, CANVAS Program and DECLARE TIMI-58-in addition to reductions in CV events, SGLT2 inhibition consistently reduces hard renal endpoints. Importantly, these CV and renal effects are independent of glycemic control. Subsequent data from the recent CREDENCE trial-the first dedicated renal protection trial with SGLT-2 inhibition-demonstrated renal and CV benefits in albuminuric T2D patients, pivotal results that have expanded the clinical importance of these therapies. Ongoing trials will ultimately determine whether SGLT2 inhibition will have a role in renal protection in other clinical settings, including nondiabetic CKD and type 1 diabetes.
Insights
Sodium-glucose cotransporter 2 (SGLT2) inhibitors offer significant cardiovascular and renal benefits for type 2 diabetes patients, independent of glucose control. These effects extend across various chronic kidney disease stages, expanding their therapeutic potential.
Area of Science:
- Nephrology
- Cardiology
- Endocrinology
Background:
- Sodium-glucose cotransporter 2 (SGLT2) inhibitors were initially approved for glycemic control in type 2 diabetes (T2D).
- Their use was limited in chronic kidney disease (CKD) due to attenuated glycemic effects at later stages.
- Emerging evidence highlights benefits beyond glucose lowering, including cardiovascular and renal protection.
Purpose of the Study:
- To review the evolving rationale for SGLT2 inhibitor use in T2D and CKD.
- To discuss the pharmacodynamic and clinical effects of SGLT2 inhibitors beyond glycemic control.
- To summarize evidence for cardiovascular and renal benefits, including independence from glycemic control.
Main Methods:
- Review of clinical trial data, including cardiovascular outcome trials (EMPA-REG OUTCOME, CANVAS, DECLARE-TIMI 58) and renal protection trials (CREDENCE).
- Analysis of pharmacodynamic effects, including antihypertensive, antialbuminuric, and glomerular hypertension reduction.
- Assessment of SGLT2 inhibitor efficacy across different stages of CKD and in albuminuric T2D patients.
Main Results:
- SGLT2 inhibitors demonstrate significant reductions in cardiovascular and renal events, independent of glycemic control.
- Antihypertensive and antialbuminuric effects are preserved across CKD stages.
- The CREDENCE trial confirmed renal and cardiovascular benefits in albuminuric T2D patients.
Conclusions:
- SGLT2 inhibitors have evolved into crucial therapies for managing T2D, offering substantial cardiovascular and renal protection.
- Their benefits extend beyond glycemic control and are evident even in later stages of CKD.
- Ongoing research will further define the role of SGLT2 inhibitors in non-diabetic CKD and type 1 diabetes.
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