Rationale and design of the hemodynamic, echocardiographic and neurohormonal effects of istaroxime, a novel intravenous inotropic and lusitropic agent: a randomized controlled trial in patients hospitalized with heart failure (HORIZON-HF) trial

Autor: John E A, Blair, Cezar, Macarie, Witold, Ruzyllo, Antonella, Bacchieri, Giovanni, Valentini, Maria, Bianchetti, Peter S, Pang, Matthew E, Harinstein, Hani N, Sabbah, Gerasimos S, Filippatos, Mihai, Gheorghiade, John, Nanas
Rok vydání: 2008
Předmět:
Zdroj: American journal of therapeutics. 15(3)
ISSN: 1536-3686
Popis: BACKGROUND Current inotropes have inodilator properties and, although are frequently used in acute heart failure syndromes, do not improve outcomes, likely from reduction in systolic blood pressure and increasing in arrhythmias, causing worsened myocardial ischemia and end-organ damage. Istaroxime is a novel agent that, in animal models, has both inotropic (inhibition of the Na/K ATPase channel) and lusitropic (stimulation of sarcoplasmic reticulum calcium ATPase activity) effects. HORIZON-HF is designed to test the hypothesis that istaroxime is effective in improving central hemodynamics and left ventricular (LV) function, without lowering systolic blood pressure, increasing heart rate, and worsening renal function or myocardial necrosis. METHODS AND RESULTS This was a phase 2, randomized, double-blind, placebo-controlled, multicenter dose escalation exploratory study comparing 3 different doses of istaroxime to placebo in patients with LV systolic dysfunction (LV ejection fraction
Databáze: OpenAIRE