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EP 4 770 993 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 25736112.1 (22) Date of filing: 03.01.2025

(51) International Patent Classification (IPC):  C07D 209/14(2006.01) A61K 51/04(2006.01) C07C 229/36(2006.01) A61K 47/54(2017.01) A61P 35/00(2006.01) C07D 257/02(2006.01) (52) Cooperative Patent Classification (CPC): A61P 35/00; C07D 209/14; C07D 257/02; A61K 51/0406; A61K 51/0497; C07B 59/002; C07D 209/16; C07B 2200/05; C07C 229/22 (86) International application number: PCT/CA2025/050006 (87) International publication number: WO 2025/145255 (10.07.2025 Gazette 2025/28)

(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: GE KH MA MD TN (30) Priority: 05.01.2024 US 202463617915 P (71) Applicant: AIGA Therapeutics Inc. North York, Ontario M3B 1K7 (CA)	(72) Inventors: SINGNURKAR, Amit York, Ontario M3B 1K7 (CA) BAIDOO, George York, Ontario M3B 1K7 (CA) (74) Representative: Patentwerk B.V.  P.O. Box 1514 5200 BN 's-Hertogenbosch 5200 BN 's-Hertogenbosch (NL)