Windtree Therapeutics Announces Istaroxime Presentation at European Society of Cardiology Heart Failure Conference

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Windtree Therapeutics
Windtree Therapeutics

Cardiogenic shock is a medically urgent condition and drug treatment innovation is desired by providers who treat the condition

WARRINGTON, Pa., May 19, 2025 (GLOBE NEWSWIRE) -- Windtree Therapeutics, Inc. (“Windtree” or the “Company”) (NasdaqCM: WINT), a biotechnology company focused on becoming a revenue generating company and advancing early and late-stage innovative therapies for critical conditions and diseases, today announced istaroxime data from the early cardiogenic shock SEISMiC Extension Phase 2b study will be presented today at the European Society of Cardiology Heart Failure 2025 Conference in Belgrade, Serbia.

The istaroxime data will be presented by Jan Biegus MD, Institute of Heart Diseases, Wroclaw Medical University, Wrocław, Poland. The presentation is entitled, “Safety and Efficacy of up to 60 Hours of Intravenous Istaroxime for Patients with Pre-Cardiogenic Shock: the SEISMiC Trial.”

“The positive results from the SEISMiC Extension Study are important data to help us advance istaroxime toward Phase 3 for cardiogenic shock,” said Dr. Steve Simonson, Chief Medical Officer and Senior Vice President of Windtree Therapeutics. “We believe that istaroxime is differentiating itself from currently available therapies to support the acutely failing heart. The unique profile of istaroxime is well-suited to potentially be a new important treatment for cardiogenic shock which has high mortality, morbidity and cost of care.”

About Istaroxime
Istaroxime is a first-in-class dual-mechanism therapy designed to improve both systolic and diastolic cardiac function. Istaroxime is a positive inotropic agent that increases myocardial contractility through inhibition of Na+/K+- ATPase with a complimentary mechanism that facilitates myocardial relaxation through activation of the SERCA2a calcium pump on the sarcoplasmic reticulum enhancing calcium reuptake from the cytoplasm. Data from multiple Phase 2 studies in patients with early cardiogenic shock or acute decompensated heart failure demonstrate that istaroxime infused intravenously significantly improves cardiac function and blood pressure without increasing heart rate or the incidence of clinically significant cardiac rhythm disturbances.

About Windtree Therapeutics, Inc.
Windtree Therapeutics, Inc. is a biotechnology company focused on becoming a revenue generating company and advancing early and late-stage innovative therapies for critical conditions and diseases. Windtree’s portfolio of product candidates includes istaroxime, a Phase 2 candidate with SERCA2a activating properties for acute heart failure and associated cardiogenic shock, preclinical SERCA2a activators for heart failure and preclinical precision aPKCi inhibitors that are being developed for potential in rare and broad oncology applications. Windtree also has a licensing business model with partnership out-licenses currently in place.