IP Library Granted Patent US 11,400,055
Granted Patent B2
US 11,400,055 · App. 17/340,885 · Granted Aug 2, 2022

Use of cannabidiol in the treatment of epilepsy

Inventors: Geoffrey Guy (Cambridge, GB); Stephen Wright (Cambridge, GB); Elizabeth Thiele (Boston, MA)
Assignee: GW Research Limited
A61K31/05A61K9/0095A61K31/352A61K36/185A61K45/06
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Quick Facts
Patent No.
US 11,400,055
App. No.
17/340,885
Granted
Aug 2, 2022
Kind
B2
Abstract

The present disclosure relates to the use of cannabidiol (CBD) for the treatment of Tuberous Sclerosis Complex (TSC). In particular the TSC is treatment resistant and is characterised by generalised seizures or focal seizures with impairment. The disclosure further relates to the use of CBD in combination with one or more anti-epileptic drugs (AEDs).

Claims (17)

1. A method of treating seizures in a patient suffering from Tuberous Sclerosis Complex (TSC) comprising administering a drug product comprising a cannabidiol (CBD) drug substance to the patient, wherein the CBD drug substance has a purity of at least 95% (w/w) CBD and comprises no more than 0.15% (w/w) Δ9-tetrahydrocannabinol, and wherein the CBD is administered at a starting dose of 5 mg/kg/day, and then the starting dose is increased by 2 to 5 mg/kg increments, up to 25 mg/kg/day.

2. The method of claim 1 , wherein the TSC is treatment resistant.

3. The method of claim 1 , wherein the administering treats generalized seizures or focal seizures with impairment.

4. The method of claim 3 , wherein the generalized seizures include one or more seizure sub-types selected from the group consisting of tonic; atonic; tonic-clonic; and absence seizures.

5. The method of claim 3 , wherein the CBD is increased to a dose of 25 mg/kg/day.

6. The method of claim 4 , wherein the CBD is increased to a dose of 25 mg/kg/day.

7. The method of claim 3 , wherein administering reduces the number of generalized seizures or focal seizures with impairment.

8. The method of claim 7 , wherein the number of generalized seizures or focal seizures with impairment is reduced by at least 50% compared to the number of generalized seizures or focal seizures with impairment experienced during a baseline period before CBD was administered.

9. The method according to claim 1 , wherein CBD is present as a synthetic compound.

10. The method according to claim 1 , wherein the CBD drug substance is a highly purified extract.

11. The method according to claim 1 , wherein the CBD drug substance has a purity of at least 98%.

12. The method according to claim 1 , wherein the dose of CBD is increased to 20 mg/kg/day.

13. The method according to claim 1 , wherein the dose of CBD is increased to 25 mg/kg/day.

14. The method according to of claim 1 , wherein the dose of CBD is increased to 10 mg/kg/day.

15. The method according to of claim 1 , wherein the dose of CBD is increased to 15 mg/kg/day.

16. The method of claim 1 , wherein the drug product comprises sesame oil, and a sweetener, flavoring agent, or combination thereof.

17. The method of claim 1 , wherein the starting dose is increased by 5 mg/kg increments.

Assignments (4)
CHANGE OF NAME Recorded May 16, 2024
From: GW RESEARCH LIMITED
To: JAZZ PHARMACEUTICALS RESEARCH UK LIMITED
Reel/Frame 067437/0875 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 23, 2021
From: GUY, GEOFFREY; WRIGHT, STEPHEN; THIELE, ELIZABETH
To: GW PHARMA LIMITED
Reel/Frame 057596/0045 →
ASSET PURCHASE BY WAY OF DEED Recorded Sep 23, 2021
From: GW PHARMA LIMITED
To: GW RESEARCH LIMITED
Reel/Frame 057596/0438 →
SECURITY AGREEMENT Recorded Jul 22, 2021
From: GW PHARMA LIMITED; GW RESEARCH LIMITED
To: U.S. BANK NATIONAL ASSOCIATION
Reel/Frame 056958/0493 →
Cited By (19)
US 12,213,985 US 12,263,139 US 12,318,356 US 12,350,253 US 12,357,586 US 12,364,670 US 12,383,512 US 12,383,567 US 12,396,963 US 12,403,136 US 12,427,160 US 12,534,438 US 12,539,472 US 12,558,362 US 12,569,505 US 12,616,705 US 12,661,365 US 12,678,450 US 12,708,632