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(11)

EP 4 771 045 A1

(12)

(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24714309.2 (22) Date of filing: 20.02.2024

(51) International Patent Classification (IPC):  C07K 16/28(2006.01) A61K 39/00(2006.01) A61P 35/00(2006.01) (52) Cooperative Patent Classification (CPC): A61K 2039/505; A61P 35/00; C07K 16/2827; C07K 16/2878; C07K 2317/35; C07K 2317/569; C07K 2317/75 (86) International application number: PCT/US2024/016505 (87) International publication number: WO 2025/048887 (06.03.2025 Gazette 2025/10)

(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: 01.09.2023 WO PCT/US2023/073279 01.09.2023 US 202363580054 P (71) Applicant: Inhibrx Biosciences, Inc. La Jolla, CA 92037 (US)	(72) Inventors: DIAZ-DE-DURANA, Yaiza La Jolla, California 92037 (US) BAIS, Carlos Ernesto La Jolla, California 92037 (US) ANDRIANOV, Vasily La Jolla, California 92037 (US) ECKELMAN, Brendan P. La Jolla, California 92037 (US) KALABUS, James La Jolla, California 92037 (US) (74) Representative: Mewburn Ellis LLP  Aurora Building Counterslip Bristol BS1 6BX Bristol BS1 6BX (GB)