(19)

(11)

EP 4 583 867 A2

(12)

(88) Date of publication A3: 18.04.2024 (43) Date of publication: 16.07.2025 Bulletin 2025/29 (21) Application number: 23863823.3 (22) Date of filing: 08.09.2023

(51) International Patent Classification (IPC):  A61K 31/395(2006.01) A61K 31/44(2006.01) A61K 31/4995(2006.01) A61K 31/166(2006.01) A61K 31/167(2006.01) A61K 31/33(2006.01) (52) Cooperative Patent Classification (CPC): C07D 401/14; C07D 401/12; C07D 213/81; C07D 405/14; C07D 401/04; C07D 237/24; C07D 213/82; C07D 513/14; C07D 213/75; C07D 213/66 (86) International application number: PCT/US2023/032280 (87) International publication number: WO 2024/054622 (14.03.2024 Gazette 2024/11)

(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: 09.09.2022 US 202263405094 P 09.09.2022 US 202263405096 P 09.09.2022 US 202263405120 P 09.09.2022 US 202263405151 P (71) Applicant: Latigo Biotherapeutics, Inc. Thousand Oaks, CA 91320 (US)

(72) Inventors: BAJJI, Ashok Thousand Oaks, CA 91320 (US) KAUFMAN, Michael, D. Thousand Oaks, CA 91361 (US) BALKOVEC, James, Michael Martinsville, NJ 08836 (US) (74) Representative: HGF  HGF Limited 1 City Walk Leeds LS11 9DX Leeds LS11 9DX (GB)