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EP 4 816 401 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24817898.0 (22) Date of filing: 29.11.2024

(51) International Patent Classification (IPC):  C07K 16/28(2006.01) A61P 1/00(2006.01) (52) Cooperative Patent Classification (CPC): C07K 16/2896; C07K 2317/732; C07K 2317/72; C07K 2317/73; C07K 2317/76; C07K 2317/92; C07K 2317/94; A61P 1/00 (86) International application number: PCT/EP2024/084141 (87) International publication number: WO 2025/114555 (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: 30.11.2023 EP 23213466 05.11.2024 EP 24210868 (71) Applicant: OncoSpear ApS 8382 Hinnerup (DK)

(72) Inventors: GRAVERSEN, Niels Jonas Heilskov 8382 Hinnerup (DK) JENSEN, Maria Pauladottir 8382 Hinnerup (DK) STRAUSS, Line Moesgaard 8382 Hinnerup (DK) HØGH, Rikke Illum 8382 Hinnerup (DK) MOULIN, Morgane Jennifer 8382 Hinnerup (DK) SKYTTHE, Maria Kløjgaard 8382 Hinnerup (DK) ETZERODT, Anders 8382 Hinnerup (DK) (74) Representative: Plougmann Vingtoft a/s  Strandvejen 70 2900 Hellerup 2900 Hellerup (DK)