(19)
(11) EP 4 247 364 A1

(12)

(43) Date of publication:
27.09.2023 Bulletin 2023/39

(21) Application number: 21895549.0

(22) Date of filing: 18.11.2021
(51) International Patent Classification (IPC): 
A61K 31/416(2006.01)
A61K 31/445(2006.01)
A61K 31/551(2006.01)
A61K 31/435(2006.01)
A61K 31/47(2006.01)
A61K 47/26(2006.01)
(52) Cooperative Patent Classification (CPC):
A61K 31/496; A61K 9/006; A61K 9/2018; A61K 9/2063; A61K 9/2013
(86) International application number:
PCT/US2021/059801
(87) International publication number:
WO 2022/109077 (27.05.2022 Gazette 2022/21)
(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 MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 19.11.2020 US 202063115789 P
17.12.2020 US 202063126550 P

(71) Applicant: Pfizer Ireland Pharmaceuticals
Ringaskiddy Cork (IE)

(72) Inventors:
  • CONWAY, Charles M.
    New Haven, Connecticut 06510 (US)
  • DUBOWCHIK, Gene M.
    New Haven, Connecticut 06510 (US)
  • KUMAR, Rajesh
    New Haven, Connecticut 06510 (US)

(74) Representative: Pfizer 
European Patent Department 23-25 avenue du Docteur Lannelongue
75668 Paris Cedex 14
75668 Paris Cedex 14 (FR)

   


(54) COMPOSITIONS FOR IMPROVED DELIVERY OF CGRP INHIBITORS