(19)
(11) EP 4 069 211 A1

(12)

(43) Date of publication:
12.10.2022 Bulletin 2022/41

(21) Application number: 20828491.9

(22) Date of filing: 04.12.2020
(51) International Patent Classification (IPC): 
A61K 31/135(2006.01)
A61K 31/216(2006.01)
A61K 31/485(2006.01)
A61P 25/04(2006.01)
 A61K 31/137(2006.01)
A61K 31/472(2006.01)
A61P 25/02(2006.01)
A61P 25/06(2006.01)
(52) Cooperative Patent Classification (CPC):
A61K 31/472; A61K 31/485; A61K 31/137; A61K 31/216; A61K 31/135; A61P 25/04; A61P 25/02; A61P 25/06
 
C-Sets:
  1. A61K 31/485, A61K 2300/00;
  2. A61K 31/472, A61K 2300/00;
  3. A61K 31/216, A61K 2300/00;
  4. A61K 31/135, A61K 2300/00;
  5. A61K 31/137, A61K 2300/00;
(86) International application number:
PCT/US2020/063471
(87) International publication number:
WO 2021/113757 (10.06.2021 Gazette 2021/23)
(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: 06.12.2019 US 201962945093 P
13.12.2019 US 201962948010 P

(71) Applicant: Xenon Pharmaceuticals Inc.
Burnaby, British Columbia V5G 4W8 (CA)

(72) Inventors:
  • JOHNSON JR, James Philip
    Vancouver, British Columbia V5N 2A1 (CA)
  • BEATCH, Gregory N.
    Vancouver, British Columbia V7W 2H8 (CA)

(74) Representative: J A Kemp LLP 
80 Turnmill Street
London EC1M 5QU
London EC1M 5QU (GB)

   


(54) USE OF A KV7 POTASSIUM CHANNEL OPENER FOR TREATING PAIN