Rationale and protocol of the Dapagliflozin And Prevention of Adverse outcomes in Chronic Kidney Disease (DAPA-CKD)

Hiddo J L Heerspink1,2, Bergur V Stefansson3, Glenn M Chertow4

  • 1Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.

Abstract

Insights

The DAPA-CKD trial investigates if dapagliflozin benefits chronic kidney disease (CKD) patients without diabetes. This study assesses the drug

Area of Science:

  • Nephrology
  • Cardiology
  • Pharmacology

Background:

  • Sodium-glucose co-transporter 2 (SGLT2) inhibitors show promise in slowing chronic kidney disease (CKD) progression in type 2 diabetes patients.
  • Evidence is lacking on SGLT2 inhibitors' effects in CKD patients without diabetes or cardiovascular disease.

Purpose of the Study:

  • To evaluate the efficacy of dapagliflozin in reducing renal and cardiovascular events in a diverse CKD population.
  • To determine if dapagliflozin offers benefits beyond guideline-recommended therapies for CKD management.

Main Methods:

  • The DAPA-CKD trial is a randomized, double-blind, placebo-controlled study enrolling approximately 4300 CKD patients (Stages 2-4) with elevated albuminuria.
  • Patients receive either dapagliflozin 10 mg/day or a placebo, alongside maximally tolerated renin-angiotensin system inhibitors.
  • The primary endpoint is a composite of sustained eGFR decline, end-stage renal disease, or renal/cardiovascular death.

Main Results:

  • The study is designed to detect a 22% relative risk reduction in primary events with 90% power.
  • Enrollment criteria ensure representation of patients with and without diabetes, and varying eGFR levels.

Conclusions:

  • The DAPA-CKD trial will ascertain if dapagliflozin provides renal and cardiovascular protection in a broad spectrum of CKD patients.
  • Findings will clarify the role of SGLT2 inhibitors in managing CKD, irrespective of diabetic status.

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