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(11)

EP 4 739 675 A1

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(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24740852.9 (22) Date of filing: 05.07.2024

(51) International Patent Classification (IPC):  C07D 401/14(2006.01) A61P 37/00(2006.01) A61P 27/00(2006.01) A61K 31/415(2006.01) (52) Cooperative Patent Classification (CPC): C07D 401/14; A61P 27/00; A61P 37/00 (86) International application number: PCT/EP2024/069027 (87) International publication number: WO 2025/008517 (09.01.2025 Gazette 2025/02)

(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: 06.07.2023 GB 202310423 06.11.2023 GB 202316975 (71) Applicant: Sitala Bio Ltd Great Shelford Cambridge CB22 5LD (GB)	(72) Inventors: CHRISTOPHER, John Andrew Cambridge CB22 5LD (GB) WYATT, Paul Graham Cambridge CB22 5LD (GB) HORNSBY, Thomas William Nottingham NG1 1GR (GB) MILLS, Mark Nottingham NG1 1GR (GB) (74) Representative: Johnson, Stephen William et al Venner Shipley LLP 406 Cambridge Science Park Milton Road Cambridge CB4 0WW Cambridge CB4 0WW (GB)