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EP 3 849 572 A2

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(88) Date of publication A3: 22.05.2020 (43) Date of publication: 21.07.2021 Bulletin 2021/29 (21) Application number: 19860890.3 (22) Date of filing: 10.09.2019

(51) International Patent Classification (IPC):  A61K 35/17(2015.01) A61K 39/44(2006.01) C07K 16/24(2006.01) C12N 5/0783(2010.01) A61K 39/395(2006.01) A61P 35/02(2006.01) C07K 16/28(2006.01) (86) International application number: PCT/US2019/050494 (87) International publication number: WO 2020/055932 (19.03.2020 Gazette 2020/12)

(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: 10.09.2018 US 201862729043 P 02.10.2018 US 201816149346 02.10.2018 WO PCT/US2018/053933 29.11.2018 US 201816204220 15.01.2019 US 201916248762 22.02.2019 US 201916283694 (71) Applicant: Humanigen, Inc. Burlingame, CA 94010 (US)

(72) Inventors: DURRANT, Cameron Oxford, Florida 34484-2821 (US) CHAPPELL, Dale Dolores, Colorado 81323 (US) (74) Representative: Pearl Cohen Zedek Latzer Baratz UK LLP  The Gridiron Building One Pancras Square London N1C 4AG London N1C 4AG (GB)