(19)

(11)

EP 4 815 938 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24898721.6 (22) Date of filing: 27.11.2024

(51) International Patent Classification (IPC):  A61K 31/395(2006.01) A61K 31/16(2006.01) A61K 31/415(2006.01) A61K 31/33(2006.01) (52) Cooperative Patent Classification (CPC): C07D 471/04 (86) International application number: PCT/US2024/057664 (87) International publication number: WO 2025/117677 (05.06.2025 Gazette 2025/23)

(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: 29.11.2023 US 202363604176 P (71) Applicant: Actio Biosciences, Inc. San Diego, CA 92130 (US)	(72) Inventors: STOCK, Nicholas Simon Encinitas, California 92024 (US) GOVEK, Steven San Diego, California 92129 (US) KATANA, Ashley Fairview Park, OH 44126 (US) (74) Representative: Casalonga  Casalonga & Partners Bayerstraße 71/73 80335 München 80335 München (DE)