Heart failure & cardiomyopathies

Re-PERFUSE: Phase 1b Study of AZD3427, a Novel Relaxin Receptor Agonist, on Renal Perfusion in HF and Reduced Ejection Fraction (HFrEF) Patients

ESC Heart FailPublished Phase 1b, randomised, double-blind, placebo-controlled trial

Study context

Population
Patients with heart failure (HF) and reduced ejection fraction (HFrEF) with reduced estimated glomerular filtration rate (eGFR) (EF ≤ 40% and eGFR of 30 to 90 mL/min/1.73 m², assessed by the CKD-EPI 2021)
Planned comparison
AZD3427 vs placebo on renal perfusion
  • AZD3427n = 6
  • Placebon = 6
Methodological detailsstudy design protocol (no results reported), positive control: intravenous dopamine
  • Study design protocol (no results reported)
  • Positive control: intravenous dopamine

No results yet. This paper sets out the design of a trial; its results are to come.

Original publication

Re-PERFUSE: Phase 1b Study of AZD3427, a Novel Relaxin Receptor Agonist, on Renal Perfusion in HFrEF Patients. ESC Heart Fail. Published 4 September 2025. doi:10.1002/ehf2.15412

Summarised from the published abstract; every number is checked against it

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