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EP 4 798 221 A1

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(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24883456.6 (22) Date of filing: 25.10.2024

(51) International Patent Classification (IPC):  A61K 38/16(2006.01) A61P 31/14(2006.01) A61K 39/12(2006.01) A61P 31/00(2006.01) C07K 14/005(2006.01) (52) Cooperative Patent Classification (CPC): A61P 31/00; A61K 39/12; C07K 14/005; A61P 31/14; C12N 2760/18622; C12N 2760/18633; C12N 2760/18634; A61K 2039/64; A61K 2039/6093; A61P 31/16; A61K 38/00 (86) International application number: PCT/US2024/053106 (87) International publication number: WO 2025/090958 (01.05.2025 Gazette 2025/18)

(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: 27.10.2023 US 202363593818 P (71) Applicant: Red Queen Therapeutics, Inc. Cambridge, MA 02142 (US)	(72) Inventors: HERCE, Henry David Cambridge, Massachusetts 02142 (US) JARDINE, Paul DaSilva Cambridge, Massachusetts 02142 (US) (74) Representative: Cooley (UK) LLP  22 Bishopsgate London EC2N 4BQ London EC2N 4BQ (GB)