A new treatment for acute heart failure?
The recently published RELAX-AHF (Efficacy and Safety of Relaxin for the Treatment of Acute Heart Failure) study was a prospective, randomised, double-blind, placebo-controlled trial carried out in a targeted population of patients with acute HF.1 Relaxin is a physiological hormone that regulates maternal adaptations to pregnancy, increasing cardiac output, renal blood flow, and arterial compliance, alongside decreased peripheral vascular resistance.2,3 Serelaxin is a recombinant human relaxin-2 shown to have beneficial effects on symptoms and outcomes in early studies.4
The primary end points in thi