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EP 4 583 976 A1

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(43) Date of publication: 16.07.2025 Bulletin 2025/29 (21) Application number: 23767907.1 (22) Date of filing: 08.09.2023

(51) International Patent Classification (IPC):  A61P 35/00(2006.01) C07D 519/00(2006.01) A61P 37/00(2006.01) A61K 31/4353(2006.01) (52) Cooperative Patent Classification (CPC): C07D 519/00; A61P 35/00; A61P 37/00 (86) International application number: PCT/EP2023/074692 (87) International publication number: WO 2024/052513 (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 EP 22194841 (71) Applicant: Chiesi Farmaceutici S.p.A. 43122 Parma (IT)	(72) Inventors: ACCETTA, Alessandro 43122 Parma (IT) CUZZOLIN, Alberto 43122 Parma (IT) RANCATI, Fabio 43122 Parma (IT) RIZZI, Andrea 43122 Parma (IT) ELENKOV, Ivaylo Jivkov 43122 Parma (IT) MESI , Milan 43122 Parma (IT) FIORELLI, Claudio 43122 Parma (IT) (74) Representative: Chiesi Farmaceutici S.p.A.  Via Palermo, 26/A 43122 Parma 43122 Parma (IT)