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EP 4 823 580 A1

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(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24903161.8 (22) Date of filing: 11.12.2024

(51) International Patent Classification (IPC):  A61K 31/513(2006.01) C07D 401/14(2006.01) A61K 31/506(2006.01) A61P 7/02(2006.01) (52) Cooperative Patent Classification (CPC): A61P 7/02; A61K 31/513; A61K 9/08; A61K 9/10; A61K 47/14 (86) International application number: PCT/IN2024/052364 (87) International publication number: WO 2025/126240 (19.06.2025 Gazette 2025/25)

(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: 12.12.2023 IN 202341084593 (71) Applicant: Dr. Reddy's Laboratories Limited Hyderabad, Telangana 500 034 (IN)

(72) Inventors: KULKARNI, Sushrut Hyderabad, Telangana 500084 (IN) HANDA, Ajay Kumar Hyderabad, Telangana, 500090 (IN) JHA, Romesh Hyderabad, Telangana 500050 (IN) BHARGAVA, Ankur Lucknow, Uttar Pradesh 226001 (IN) KADAM, Sainath Digambar Dharmabad, Nanded, Maharashtra 431808 (IN) (74) Representative: Müller-Boré & Partner Patentanwälte PartG mbB  Friedenheimer Brücke 21 80639 München 80639 München (DE)