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Sodium-Glucose Cotransporter 2 Inhibitors in Patients with Non-Diabetic Chronic Kidney Disease
1Department of Nephrology, Osaka Medical and Pharmaceutical University, Osaka, 569-8686, Japan. akira.mima@ompu.ac.jp.
Background:
Sodium-glucose cotransporter 2 (SGLT2) inhibitors can reduce cardiovascular morbidity and mortality in patients with type 2 diabetes. Furthermore, recent clinical studies have revealed that SGLT2 inhibitors decrease the risk of renal function impairment in patients with type 2 diabetes. However, the effects of SGLT2 inhibitors on non-diabetic chronic kidney disease (CKD) remains unclear. Regarding long-term clinical outcomes, the Dapagliflozin and Prevention of Adverse Outcomes in Heart Failure (DAPA-HF) trial explicitly showed improvements in cardiovascular outcomes in patients presenting with heart failure, even in the absence of diabetes. The reduction in heart failure in patients without diabetes was confirmed following empagliflozin administration in the EMPagliflozin outcomE tRial in patients with chrOnic heart failure with Reduced ejection fraction (EMPEROR-Reduced) trial. A recent systematic review and meta-analysis of DAPA-HF and EMPEROR-Reduced showed improvements in the composite renal endpoint regardless of the presence of diabetes or baseline estimated glomerular filtration rate. The Dapagliflozin and Prevention of Adverse outcomes in Chronic Kidney Disease (DAPA-CKD) trial evaluated patients with CKD with or without type 2 diabetes, irrespective of whether SGLT2 inhibitor dapagliflozin was added for renin-angiotensin system blockade as background renoprotective therapy. In this trial, dapagliflozin reduced the hazard ratio for a composite renal and cardiovascular death endpoint in patients with CKD attributed to various causes, with or without type 2 diabetes.
Insights
Sodium-glucose cotransporter 2 (SGLT2) inhibitors show promise in treating chronic kidney disease (CKD). Recent trials indicate SGLT2 inhibitors reduce cardiovascular events and slow renal impairment in patients with or without diabetes.
Area of Science:
- Nephrology
- Cardiology
- Pharmacology
Background:
- Sodium-glucose cotransporter 2 (SGLT2) inhibitors are established treatments for type 2 diabetes, reducing cardiovascular morbidity and mortality.
- Emerging evidence suggests SGLT2 inhibitors also protect renal function in diabetic patients.
- The efficacy of SGLT2 inhibitors in non-diabetic chronic kidney disease (CKD) remained uncertain.
Purpose of the Study:
- To investigate the effects of SGLT2 inhibitors on cardiovascular and renal outcomes in patients with CKD, including those without diabetes.
- To evaluate the Dapagliflozin and Prevention of Adverse outcomes in Chronic Kidney Disease (DAPA-CKD) trial findings.
Main Methods:
- The DAPA-CKD trial assessed dapagliflozin's impact on a composite renal and cardiovascular death endpoint in CKD patients.
- Participants included individuals with and without type 2 diabetes, on standard renoprotective therapy.
Main Results:
- Dapagliflozin significantly reduced the hazard ratio for the composite endpoint in CKD patients.
- Benefits were observed regardless of diabetes status or baseline estimated glomerular filtration rate.
- Previous trials like DAPA-HF and EMPEROR-Reduced demonstrated cardiovascular benefits of SGLT2 inhibitors in heart failure, irrespective of diabetes.
Conclusions:
- SGLT2 inhibitors, exemplified by dapagliflozin, offer significant renal and cardiovascular protection in patients with CKD.
- These findings extend the therapeutic potential of SGLT2 inhibitors beyond diabetes management.
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Glucose Transporters
Facilitated diffusion-glucose transporters (GLUTs) are encoded by the solute-linked carrier (SLC) family 2, subfamily A gene family, or SLC2A. The 14 GLUT protein members are distributed into three classes:

