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Sodium-Glucose Cotransporter-2 Inhibitors in Type 2 Diabetes: From Metabolic Mechanisms to International Guidelines
Tamás Várkonyi1, Krisztina Kupai1,2, Hsu Lin Kang2
1Department of Internal Medicine, Albert Szent-Györgyi Medical School, University of Szeged, 6703 Szeged, Hungary.
Abstract:
Type 2 diabetes mellitus (T2DM) is a progressive metabolic disease that necessitates individualized therapeutic strategies focusing on both glycemic control and the mitigation of comorbidities. In recent years, sodium-glucose cotransporter-2 (SGLT2) inhibitors have emerged as a cornerstone of modern treatment due to their unique renal mechanism of action. This review summarizes the metabolic mechanisms, pleiotropic effects, and clinical significance of SGLT2 inhibitors in the management of T2DM. This review provides an updated overview of the metabolic and systemic effects of SGLT2 inhibition. By promoting glycosuria, SGLT2 inhibitors induce a negative energy balance that contributes to modest weight loss, improved body composition, and beneficial alterations in lipid metabolism. Beyond their metabolic effects, accumulating preclinical evidence suggests that SGLT2 inhibitors exert anti-inflammatory and antifibrotic actions, partly through modulation of macrophage polarization and attenuation of oxidative stress. The clinical utility of SGLT2 inhibitors is highlighted through the review of major cardiovascular and renal outcome trials, which confirm significant benefits in reducing heart failure hospitalizations and slowing the progression of chronic kidney disease. Finally, we integrate these findings into the context of the latest international guidelines while addressing safety profiles, the rationale for combination therapies, and the transition toward a personalized, risk-based management approach in T2DM.
Insights
Sodium-glucose cotransporter-2 (SGLT2) inhibitors offer significant benefits for type 2 diabetes management. They improve glycemic control, aid weight loss, and protect against heart failure and kidney disease progression.
Area of Science:
- Endocrinology
- Metabolic Diseases
- Pharmacology
Background:
- Type 2 diabetes mellitus (T2DM) requires individualized treatment for glycemic control and comorbidity management.
- Sodium-glucose cotransporter-2 (SGLT2) inhibitors are a key therapeutic class due to their renal action.
Purpose of the Study:
- To review the metabolic mechanisms, pleiotropic effects, and clinical significance of SGLT2 inhibitors in T2DM management.
- To provide an updated overview of SGLT2 inhibition's systemic effects.
Main Methods:
- Literature review of preclinical data and major clinical outcome trials.
- Analysis of metabolic, anti-inflammatory, and antifibrotic actions.
- Integration of findings with current international guidelines.
Main Results:
- SGLT2 inhibitors promote glycosuria, leading to weight loss and improved lipid profiles.
- Preclinical data indicate anti-inflammatory and antifibrotic effects.
- Clinical trials demonstrate reduced heart failure hospitalizations and slowed chronic kidney disease progression.
Conclusions:
- SGLT2 inhibitors are vital in T2DM management, offering cardiovascular and renal protection.
- Consideration of safety, combination therapies, and personalized approaches is crucial.
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