Use of cannabinoids in the treatment of epilepsy
AssigneeGW Research Limited
InventorsGeoffrey Guy, Stephen Wright, Orrin Devinsky
Life of this patent
Estimating the term…
Abstract
The present disclosure relates to the use of cannabidiol (CBD) for the treatment of atonic seizures. In particular the CBD appears particularly effective in reducing atonic seizures in patients suffering with etiologies that include: Lennox-Gastaut Syndrome; Tuberous Sclerosis Complex; Dravet Syndrome; Doose Syndrome; Aicardi syndrome; CDKL5 and Dup15q in comparison to other seizure types. The disclosure further relates to the use of CBD in combination with one or more anti-epileptic drugs (AEDs).
Claims32
A method of treating seizures in a patient having Lennox-Gastaut Syndrome, Dravet Syndrome, Tuberous Sclerosis Complex, or Doose Syndrome, comprising orally administering to the patient a pharmaceutical formulation comprising a cannabidiol (CBD) drug substance,
- wherein the CBD is present in the pharmaceutical formulation at a concentration of about 100 mg/mL,
- wherein the drug substance comprises CBD and at least one of (i) cannabidivarin (CBDV) at not more than 1.0% w/w based on the weight of the drug substance, (ii) delta-9 tetrahydrocannabinol (Δ9THC) at not more than 0.15% w/w based on the weight of the drug substance, or (iii) cannabidiol-C4 (CBD-C4) at not more than 0.5% w/w based on the weight of the drug substance, and
- wherein the patient is administered a starting dose of CBD of about 5 mg/kg/day, and after administering the starting dose of CBD, the starting dose is gradually increased by about 5 mg/kg increments up to a maximum of about 25 mg/kg/day.
An oral pharmaceutical formulation comprising (a) a cannabidiol (CBD) drug substance, (b) sesame oil, (c) ethanol, and (d) favoring, sweetener, or a combination thereof,
- wherein the CBD is present in the pharmaceutical formulation at a concentration ranging from about 90 mg/mL to about 110 mg/mL, and
- wherein the drug substance comprises CBD and at least one of (i) cannabidivarin (CBDV) at not more than 1.0% w/w based on the weight of the drug substance, (ii) delta-9 tetrahydrocannabinol (Δ9THC) at not more than 0.15% w/w based on the weight of the drug substance, or (iii) cannabidiol-C4 (CBD-C4) at not more than 0.5% w/w based on the weight of the drug substance.
Dependencies are inferred from the claim text.