IP Library Patent Application 19399173
Patent Application
App. No. 19/399,173

TREATMENT OF BEHAVIORAL IMPAIRMENT IN DEVELOPMENTAL AND EPILEPTIC ENCEPHALOPATHY

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Quick Facts
Patent No.
US None
App. No.
19/399,173
Abstract

The present technology relates to methods of treating behavioral problems and seizures in a subject having developmental and epileptic encephalopathy (DEE) by transdermally administering an effective amount of cannabidiol (CBD) to the subject wherein behavioral problems are treated in the subject.

Claims (18)

1 . A method of treating behavioral problems and seizures in a subject having developmental and epileptic encephalopathy (DEE), the method comprising:

transdermally administering an effective amount of cannabidiol (CBD) to the subject, wherein behavioral problems are treated in the subject.

2 . The method of claim 1 , wherein treatment includes a meaningful improvement in quality of life as measured by an improvement in the Epilepsy and Learning Disabilities Quality of Life (ELDQOL) scale within 2 weeks, 4 weeks, or 8 weeks.

3 . The method according to claim 1 , wherein treatment includes a meaningful decrease in sleep disturbance as determined by an improvement of the Sleep Disturbance Scale for Children (SDSC) within 2 weeks, 4 weeks, or 8 weeks.

4 . The method according to claim 1 , wherein treatment includes a meaningful improvement in adaptive behavior as determined by a decrease in the Vineland Adaptive Behavior Scale™-3 (VABS-3) within one month or two months.

5 . The method according to claim 1 , wherein treatment includes a meaningful improvement in caregiver stress as measured by an improvement the University of Washington Caregiver Stress Scale within 2 weeks, 4 weeks, or 8 weeks.

6 . The method according to claim 1 , wherein treatment includes a meaningful improvement in every day satisfaction and well-being.

7 . The method according to claim 1 , wherein treatment includes a meaningful improvement in cognition and awareness.

8 . The method according to claim 1 , wherein the subject has no erythema or minimal erythema.

9 . The method according to claim 1 , wherein the treatment includes a meaningful monthly reduction in focal impaired awareness seizures and convulsive seizures.

10 . The method according to claim 1 , wherein the subject has Lennox-Gastaut or Dravet Syndrome and is a 50% responder within 30 days.

11 . The method according to claim 1 , wherein the effective amount of CBD is 250, 500, 750, or 1000 mg total daily.

12 . The method according to claim 1 , wherein the CBD is administered in a single daily dose.

13 . The method according to claim 1 , wherein the CBD is administered in two daily doses.

14 . The method according to claim 1 , wherein the CBD is a synthetic CBD.

15 . The method according to claim 1 , wherein the CBD is botanically derived.

16 . The method of claim 15 , wherein the CBD is purified.

17 . The method according to claim 1 , wherein subject having developmental and epileptic encephalopathy (DEE) comprises the subject having SYNGAP1 encephalopathy.

Assignments (1)
SUPPLEMENTAL CONFIRMATORY GRANT OF SECURITY INTEREST IN UNITED STATES PATENTS Recorded May 18, 2026
From: HARMONY BIOSCIENCES MANAGEMENT, INC. (F/K/A ZYNERBA PHARMACEUTICALS, INC.)
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 075642/0639 →