(19)
(11) EP 4 539 861 A1

(12)

(43) Date of publication:
23.04.2025 Bulletin 2025/17

(21) Application number: 23732552.7

(22) Date of filing: 13.06.2023
(51) International Patent Classification (IPC): 
A61K 35/16(2015.01)
A61K 9/00(2006.01)
A61K 39/00(2006.01)
A61P 31/12(2006.01)
C07K 16/10(2006.01)
 A61K 38/17(2006.01)
A61K 39/395(2006.01)
A61P 31/00(2006.01)
A61P 31/14(2006.01)
(52) Cooperative Patent Classification (CPC):
A61K 9/0043; A61P 31/12; A61P 31/14; A61K 2039/505; A61K 2039/543; C07K 2317/76; A61K 35/16; C07K 16/1003
(86) International application number:
PCT/EP2023/065868
(87) International publication number:
WO 2023/242229 (21.12.2023 Gazette 2023/51)
(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: 14.06.2022 EP 22305867

(71) Applicant: PREVOR INTERNATIONAL
75015 Paris (FR)

(72) Inventors:
  • BLOMET, Joël
    95760 VALMONDOIS (FR)
  • DESMECHT, Daniel
    4141 SPRIMONT (BE)

(74) Representative: Plasseraud IP 
104 Rue de Richelieu CS92104
75080 Paris Cedex 02
75080 Paris Cedex 02 (FR)

   


(54) INTRANASAL ADMINISTRATION OF A POLYCLONAL BLOOD DERIVATIVE DIRECTED AGAINST A PATHOGEN AGENT FOR THE PREVENTION AND/OR TREATMENT OF AN AIRBORNE DISEASE