(19)
(11) EP 4 823 583 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 24904669.9

(22) Date of filing: 06.12.2024
(51) International Patent Classification (IPC): 
A61K 31/566(2006.01)
A61K 45/06(2006.01)
A61K 31/58(2006.01)
A61P 9/00(2006.01)
(52) Cooperative Patent Classification (CPC):
A61P 9/00; A61K 31/58; A61K 45/06; A61K 31/5685
(86) International application number:
PCT/US2024/058923
(87) International publication number:
WO 2025/128432 (19.06.2025 Gazette 2025/25)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 11.12.2023 US 202363608677 P

(71) Applicant: Windtree Therapeutics, Inc.
Warrington, PA 18976 (US)

(72) Inventors:
  • SIMONSON, Steven
    Kennett Square, PA 19348 (US)
  • HSU, Shih-Che
    Taipai City, 114 (TW)

(74) Representative: Kransell & Wennborg KB 
P.O. Box 27834
115 93 Stockholm
115 93 Stockholm (SE)

   


(54) ISTAROXIME AND METABOLITE DERIVATIVES THEREOF FOR REDUCING THE RISK OF ACUTE MYOCARDIAL ARRHYTHMIA