Windtree Announces Expansion of Patents with Issuance of Istaroxime Patent for Japan

Windtree Therapeutics
Windtree Therapeutics

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WARRINGTON, Pa., Oct. 17, 2024 (GLOBE NEWSWIRE) -- Windtree Therapeutics, Inc. (“Windtree” or the “Company”) (NasdaqCM: WINT), a biotechnology company focused on advancing early and late-stage innovative therapies for critical conditions and diseases, today announced the issuance of an istaroxime patent for Japan. The patent is entitled, “Istaroxime-containing intravenous formulation for the treatment of heart failure (AHF).” The claims are directed to intravenous administration of istaroxime using increased infusion times alone or in combination with other agents useful to treat AHF, thereby improving treatment of heart failure and diastolic relaxation when compared to conventional protocols. The application has been accorded Patent No. 7560134 with a registration date of September 24, 2024 and will expire in 2039.

Istaroxime is a novel first-in-class investigational therapy that is intended to improve systolic contraction and diastolic relaxation of the heart while also increasing blood pressure and maintaining renal function with a generally favorable safety profile. Istaroxime has been studied in four positive Phase 2 trials enrolling patients with acute heart failure and early cardiogenic shock due to heart failure.

“Continuing to expand and strengthen the Company’s cardiovascular platform patent estate is an important priority and we are pleased that this patent has been issued in the key country of Japan,” said Craig Fraser, Chairman and CEO of Windtree. “As we produce novel results and information with istaroxime and progress our next generation, oral SERCA2a activators, we will continue our intellectual property efforts and keep our shareholders updated about our progress.”

About Istaroxime
Istaroxime is a first-in-class dual-mechanism therapy designed to improve both systolic and diastolic cardiac function. Istaroxime is designed as 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 have demonstrated that istaroxime infused intravenously significantly improves cardiac function and blood pressure without increasing heart rate or the incidence of cardiac rhythm disturbances.

About Windtree Therapeutics, Inc.
Windtree Therapeutics, Inc. is a biotechnology company focused on 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.