(19)
(11) EP 4 823 566 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 24904925.5

(22) Date of filing: 12.12.2024
(51) International Patent Classification (IPC): 
A61K 31/395(2006.01)
A61K 31/4192(2006.01)
A61K 31/33(2006.01)
A61K 31/44(2006.01)
A61K 9/14(2006.01)
(52) Cooperative Patent Classification (CPC):
A61K 9/5123; A61K 9/0019; A61K 31/19; A61K 31/7016; A61K 45/06; A61K 38/16; A61K 38/07
(86) International application number:
PCT/US2024/059909
(87) International publication number:
WO 2025/128913 (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 US 202363609213 P
05.04.2024 US 202463575363 P
12.09.2024 US 202463693792 P

(71) Applicant: The Trustees of The University of Pennsylvania
Philadelphia, PA 19104 (US)

(72) Inventors:
  • BRENNER, Jacob
    Princeton Junction, New Jersey 08550 (US)
  • OMO-LAMAI, Serena
    Philadelphia, Pennsylvania 19104 (US)
  • WANG, Yufei
    Philadelphia, Pennsylvania 19104 (US)
  • PATEL, Manthan
    Fairless Hills, Pennsylvania 19030 (US)
  • ESPY, Carolann
    Philadelphia, Pennsylvania 19103 (US)

(74) Representative: Barker Brettell LLP 
100 Hagley Road Edgbaston
Birmingham, West Midlands B16 8QQ
Birmingham, West Midlands B16 8QQ (GB)

   


(54) INHIBITION OF ENDOSOMAL ESCAPE DETECTION TO AMELIORATE THE INFLAMMATORY SIDE-EFFECTS OF LIPID NANOPARTICLES