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(11)

EP 4 456 877 A1

(12)

(43) Date of publication: 06.11.2024 Bulletin 2024/45 (21) Application number: 22854721.2 (22) Date of filing: 23.12.2022

(51) International Patent Classification (IPC):  A61K 9/12(2006.01) A61K 47/08(2006.01) A61K 47/10(2017.01) A61K 45/06(2006.01) A61K 9/00(2006.01) (52) Cooperative Patent Classification (CPC): A61K 9/12; A61K 9/0014; A61K 47/10; A61K 45/06; A61K 9/124; A61K 47/08; A61K 31/496; A61K 31/4174; A61K 31/7048; A61K 31/573; A61K 31/58 (86) International application number: PCT/US2022/082350 (87) International publication number: WO 2023/129892 (06.07.2023 Gazette 2023/27)

(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: 28.12.2021 US 202163294178 P 19.08.2022 US 202263371967 P (71) Applicant: Arcutis Biotherapeutics, Inc. Westlake Village, CA 91361 (US)	(72) Inventor: OSBORNE, David W. Fort Collins, Colorado 80525 (US) (74) Representative: Weickmann & Weickmann PartmbB  Postfach 860 820 81635 München 81635 München (DE)