(19)

(11)

EP 4 532 704 A2

(12)

(88) Date of publication A3: 22.02.2024 (43) Date of publication: 09.04.2025 Bulletin 2025/15 (21) Application number: 23729980.5 (22) Date of filing: 24.05.2023

(51) International Patent Classification (IPC):  C12N 9/22(2006.01) C12N 9/78(2006.01) A61P 11/00(2006.01) (52) Cooperative Patent Classification (CPC): C12N 9/22; C12Y 305/04005; A61P 11/00; C12N 9/78; C07K 2319/00 (86) International application number: PCT/EP2023/063933 (87) International publication number: WO 2023/227669 (30.11.2023 Gazette 2023/48)

(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: KH MA MD TN (30) Priority: 26.05.2022 US 202263346065 P (71) Applicant: UCB Biopharma SRL 1070 Brussels (BE)	(72) Inventors: BOWEN, Tyson David 1070 Brussels (BE) RIEBER, Lila Herk 1070 Brussels (BE) (74) Representative: UCB Intellectual Property  c/o UCB IPD 208 Bath Road Slough, Berkshire SL1 3WE Slough, Berkshire SL1 3WE (GB)