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(11)

EP 4 247 388 A1

(12)

(43) Date of publication: 27.09.2023 Bulletin 2023/39 (21) Application number: 21811371.0 (22) Date of filing: 19.11.2021

(51) International Patent Classification (IPC):  A61K 31/7028(2006.01) A61P 3/12(2006.01) A61P 13/12(2006.01) (52) Cooperative Patent Classification (CPC): A61K 31/7028; A61P 13/12; A61P 3/12 (86) International application number: PCT/EP2021/082374 (87) International publication number: WO 2022/106657 (27.05.2022 Gazette 2022/21)

(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: 20.11.2020 EP 20209090 (71) Applicants: VIFOR (INTERNATIONAL) AG 9001 St. Gallen (CH) ETH Zurich 8092 Zürich (CH)	(72) Inventors: IVARSSON, Mattias, Emanuel 8002 Zürich (CH) LEROUX, Jean-Christophe 8053 Zürich (CH) KLETZMAYR, Anna 8049 Zürich (CH) KURO-O, Makoto Saitama, 330--0804 (JP) HAYASHI, Hirosaka Shimotsuke, 329-0434 (JP) (74) Representative: Schulz Junghans Patentanwälte PartGmbB  Großbeerenstraße 71 10963 Berlin 10963 Berlin (DE)