A real-world study on SGLT2 inhibitors and diabetic kidney disease progression

Allen Yan Lun Liu1, Serena Low2, Ester Yeoh3

  • 1Department of General Medicine, Khoo Teck Puat Hospital, Singapore.

Abstract

Insights

Sodium-glucose cotransporter 2 inhibitors (SGLT2is) significantly reduce chronic kidney disease (CKD) progression and end-stage kidney disease (ESKD) in type 2 diabetes mellitus (T2DM) patients. These benefits are more pronounced in individuals with moderate to advanced CKD.

Area of Science:

  • Nephrology
  • Endocrinology
  • Pharmacology

Background:

  • Randomized controlled trials confirm sodium-glucose cotransporter 2 inhibitors (SGLT2is) benefits for type 2 diabetes mellitus (T2DM) and chronic kidney disease (CKD).
  • Real-world data on SGLT2is' impact on CKD progression and end-stage kidney disease (ESKD) development is limited.
  • Diabetic kidney disease (DKD) is highly prevalent, necessitating real-world outcome studies.

Purpose of the Study:

  • To evaluate the renal outcomes of patients with diabetic kidney disease (DKD) treated with SGLT2 inhibitors.
  • To assess the effect of SGLT2 inhibitors on CKD progression and the development of ESKD in a real-world setting.
  • To compare SGLT2 inhibitors with standard treatments for DKD.

Main Methods:

  • A cohort of T2DM patients from renal and diabetic clinics in Singapore (2016-2019) was analyzed.
  • Patients receiving SGLT2 inhibitors were compared to those on standard anti-diabetic and renoprotective therapy.
  • Primary outcomes included CKD progression (≥25% eGFR decrease) and ESKD (eGFR <15 mL/min/1.73 m²).

Main Results:

  • A total of 4446 patients were analyzed, with 1598 on SGLT2 inhibitors.
  • SGLT2 inhibitors significantly reduced CKD progression (HR 0.60) and ESKD risk (HR 0.33).
  • Empagliflozin demonstrated sustained renal risk reduction across CKD stages 1-4 compared to other SGLT2is.

Conclusions:

  • This real-world study confirms the renal protective benefits of SGLT2 inhibitors in DKD patients.
  • SGLT2 inhibitors significantly slow CKD progression and reduce the risk of ESKD.
  • The renoprotective effects of SGLT2 inhibitors are more pronounced in patients with moderate to advanced CKD.

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