(19)

(11)

EP 4 138 910 A1

(12)

(43) Date of publication: 01.03.2023 Bulletin 2023/09 (21) Application number: 21721080.6 (22) Date of filing: 23.04.2021

(51) International Patent Classification (IPC):  A61K 39/395(2006.01) C07K 16/24(2006.01) A61P 31/18(2006.01) C07K 16/28(2006.01) (52) Cooperative Patent Classification (CPC): A61P 31/18; C07K 16/249; C07K 16/2866; C07K 2317/76; A61K 2039/505; A61K 2039/507; A61K 2039/55; A61K 2039/545 (86) International application number: PCT/EP2021/060738 (87) International publication number: WO 2021/214321 (28.10.2021 Gazette 2021/43)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 24.04.2020 US 202016857715 24.04.2020 EP 20305405 (71) Applicant: 21C BIO 75008 Paris (FR)	(72) Inventor: ZAGURY, Daniel 75007 Paris (FR) (74) Representative: Icosa  83 avenue Denfert-Rochereau 75014 Paris 75014 Paris (FR)