SGLT2 inhibitors in non-diabetic kidney disease

Vladimír Tesař1

  • 1Department of Nephrology, Charles University in Prague, Czech Republic.

Insights

Sodium-glucose cotransporter 2 (SGLT2) inhibitors, like dapagliflozin, show renoprotective effects in chronic kidney disease, even without diabetes. Their benefits are enhanced when combined with renin-angiotensin system blockers.

Area of Science:

  • Nephrology
  • Pharmacology
  • Cardiology

Background:

  • Accumulating evidence supports the renoprotective and cardioprotective roles of sodium-glucose cotransporter 2 (SGLT2) inhibitors in diabetic kidney disease.
  • The Dapagliflozin and Prevention of Adverse Outcomes in the Chronic Kidney Disease (DAPA-CKD) trial demonstrated dapagliflozin's renoprotective efficacy in non-diabetic chronic kidney disease across a broad range of estimated glomerular filtration rates (eGFR) and albumin/creatinine ratios.

Discussion:

  • Dapagliflozin exhibited renoprotective effects in non-diabetic chronic kidney disease patients, irrespective of diabetes status.
  • While specific conditions like type 1 diabetes, autosomal dominant polycystic kidney disease, ANCA-associated vasculitis, and lupus nephritis were excluded, subanalyses suggested potential benefits in IgA nephropathy.
  • The renoprotective impact of SGLT2 inhibitors is additive to that of renin-angiotensin system blockers, including ACE inhibitors (ACEI) and angiotensin receptor blockers (ARB).

Key Insights:

  • SGLT2 inhibitors offer renoprotection in chronic kidney disease (CKD) beyond diabetic nephropathy.
  • Dapagliflozin demonstrated efficacy in non-diabetic CKD patients with varying eGFR and albuminuria levels.
  • Combined therapy with SGLT2 inhibitors and RAS blockers provides additive renoprotection.

Outlook:

  • Further confirmation is anticipated from the ongoing Study of Heart and Kidney Protection With Empagliflozin (EMPA-KIDNEY) trial.
  • These findings may expand the therapeutic applications of SGLT2 inhibitors in kidney disease management.
  • Continued research will elucidate the full potential of SGLT2 inhibitors in diverse CKD populations.

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