NCT02700412

Brief Summary

The purpose of this study is to evaluate the safety and tolerability of Epidiolex at various doses between 5 mg/kg/day and 50 mg/kg/day as an additional (add-on) drug for treating debilitating, drug-resistant epilepsy.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
80

participants targeted

Target at P75+ for phase_1

Timeline
Completed

Started Apr 2015

Longer than P75 for phase_1

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 1, 2015

Completed
11 months until next milestone

First Submitted

Initial submission to the registry

February 24, 2016

Completed
12 days until next milestone

First Posted

Study publicly available on registry

March 7, 2016

Completed
3.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 8, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 8, 2019

Completed
9 months until next milestone

Results Posted

Study results publicly available

May 8, 2020

Completed
Last Updated

May 8, 2020

Status Verified

May 1, 2019

Enrollment Period

4.4 years

First QC Date

February 24, 2016

Results QC Date

April 24, 2020

Last Update Submit

April 24, 2020

Conditions

Outcome Measures

Primary Outcomes (3)

  • Number of Participants With Severe Adverse Events (SAEs) (Increase in Seizure Frequency by More Than 100% Leading to Emergency Room Visit or Hospitalization).

    Severe adverse events (SAEs) were defined as increase in seizure frequency by more than 100% leading to emergency room visit or hospitalization. During study clinic and phone visits, adverse and severe adverse event monitoring and reporting were assessed among all participants. Data was recorded and stored in the UAB RedCap System.

    For 1 Year following Enrollment

  • Number of Participants With Change in Resting Blood Pressure or Heart Rate by 25% if Considered Significant by Managing Neurologist.

    During study clinic visits, participant vital signs, including blood pressure and heart rate, were collected. Data was recorded and stored in the UAB RedCap System. Clinically significant was determined by using the Common Toxicity Criteria for Adverse Events (CTCAE) Version 4.03. Adverse events categorized as a grade 3 or above were considered clinically significant. Adverse events grade 4 or above were considered severe adverse events.

    For 1 Year following Enrollment

  • Number of Participants With Change in Laboratory Tests Considered by Managing Neurologists as Clinically Significant.

    During study clinic visits, participants received laboratory testing to assess for side effects and toxicity. Data was recorded and stored in the UAB RedCap System. Laboratory testing included Complete Blood Count (CBC), Comprehensive Metabolic Panel (CMP; included Liver Function Tests (LFTs) mainly looking at alanine aminotransferase (ALT) and aspartate aminotransferase (AST)), Urine Analysis (UA), and Antiepileptic Drug (AED) levels. Clinically significant was determined by using the Common Toxicity Criteria for Adverse Events (CTCAE) Version 4.03. Adverse events categorized as a grade 3 or above were considered clinically significant. Adverse events grade 4 or above were considered severe adverse events.

    For 1 Year following Enrollment

Secondary Outcomes (2)

  • Change in Seizure Frequency as Measured in Total Number of Seizures Per Month.

    For 1 Year following Enrollment

  • Change in Seizure Severity Measured by the Chalfont Seizure Severity Scale (Duncan & Sander, 1991, JNNP).

    For 1 Year following Enrollment

Study Arms (1)

Epidiolex 100 milligram/milliliter (mg/mL) oral solution

EXPERIMENTAL

Participants will receive a CBD starting dose of 5 mg/kg/day in twice daily dosing and titrate by 5 mg/kg/2 weeks up to 25 mg/kg/day. Additional increases in dosing, by 5 mg/kg/day up to a maximum of 50 mg/kg/day, may be instituted at the discretion of the treating Principle Investigator (PI). If a subject experiences a "clinically significant" or "dose limiting" adverse event (AE) or severe adverse event (SAE) attributable to CBD, the investigator will determine if a dose reduction or taper is necessary (decreases will occur in 5 mg/kg/2 week increments or at a rate felt appropriate by the treating PI).

Drug: Epidiolex

Interventions

Epidiolex oral solution (100 mg/mL CBD concentration) with inactive ingredients including anhydrous ethanol, sesame seed oil, strawberry flavor, and sucralose).

Also known as: Cannabidiol, CBD
Epidiolex 100 milligram/milliliter (mg/mL) oral solution

Eligibility Criteria

Age18 Years - 99 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Any patient with disabling epilepsy with diagnosis confirmed by video/EEG monitoring, and
  • Patient should have history of a trial of at least four anti-epileptic drugs (AEDs) including one trial of a combination of two concomitant AEDs, without successful seizure control. Vagus nerve stimulation (VNS), Responsive Neurostimulation (RNS) deep brain stimulation, or the ketogenic diet can be considered an equivalent to a drug trial,
  • Between 1-4 baseline anti-epileptic drugs at stable doses for a minimum of 4 weeks prior to submitting records for review by the CBD Treatment Approval Committee.
  • VNS or RNS must be on stable settings for a minimum of 3 months,
  • If on ketogenic diet, must be on stable ratio for a minimum of 3 months.
  • The referring provider needs to make available for review all of the following:
  • Most recent Brain MRI report,
  • Most recent ECG report,
  • Video/EEG monitoring report confirming the diagnosis of epilepsy,
  • Evidence that the patient has failed 4 AEDs as indicated above,
  • Current Medication List
  • Patient must have at least 4 clinically countable seizures per month.
  • Seizure history to include a documented history of generalized seizures (drop attacks, atonic, tonic-clonic and/or myoclonic), focal seizures without loss of consciousness with a motor component, focal seizures with loss of consciousness, or focal seizures with secondary generalization,
  • Results of routine testing including blood work (Complete Blood Count (CBC), Comprehensive Metabolic Panel (CMP), Liver Function Tests (LFTs), renal panel, Urinary Analysis (UA), and levels of all AEDs) and digital copy of a routine EEG along with the formal written report performed within 3 months prior to submitting records for CBD Treatment Approval review. If any AED dose was adjusted within 3 months prior to submitting records for CBD Treatment Approval Committee review, level on the new dose will need to be provided. If applicable, results of any metabolic or genetic testing performed should be included in submitted records for review:
  • If applicable, documentation (including date of surgery) of prior VNS, RNS, Corpus Callosotomy, or other epilepsy surgery the patient has received.
  • +10 more criteria

You may not qualify if:

  • Active Psychogenic Non-Epileptic Seizures (PNES); Patients with more than 1 year freedom from PNES will not be excluded,
  • Patients who are pregnant, breastfeeding, or not using acceptable methods of contraception during the course of the study and for three months thereafter,
  • Male patient's partner is of child bearing potential; unless willing to ensure that they (male patients) or their partner(s) are using acceptable methods of contraception during the course of the study and for three months thereafter,
  • History of substance abuse/addiction,
  • Use of medical marijuana or CBD based product in the past 30 days,
  • Initiation of felbamate within last 12 months,
  • Allergy to CBD or any marijuana-type products,
  • Alanine Aminotransferase (ALT) \>5 x Upper Limit of Normal (ULN) or Aspartate Aminotransferase (AST) \>5 x ULN, as seen in participant's laboratory results submitted to the CBD Treatment Approval Committee for review.
  • Hemoglobin \<10 or Hematocrit \<30 or White Blood Count (WBC) \< 2000, as seen in participant's laboratory results submitted to the CBD Treatment Approval Committee for review.
  • In investigator's judgment, active medical condition/treatment that impacts study activities.
  • Unable to provide consent (and no LAR),
  • Unable/Failure to comply with study visits/requirements and/or instructions,
  • Confirmed diagnosis for Dravet Syndrome or Lennox Gastaut Syndrome that qualifies the patient for a Greenwich (GW) Dravet Syndrome or Lennox Gastaut Syndrome randomized controlled clinical trial for which the patient is eligible pursuant to the GW clinical trial enrollment criteria unless
  • (a) there is no study that is either actively open for enrollment of patients at the University of Alabama at Birmingham (UAB) or that is expected to actively begin enrolling patients at UAB within two (2) months of the date on which the patient is screened for the UAB Pediatric CBD Program or UAB Adult CBD Program,
  • Subjects with contraindications to MRI/fMRI at 3 Tesla (e.g., metallic artifact) will not be offered participation in the optional substudy.
  • +1 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Alabama at Birmingham

Birmingham, Alabama, 35294, United States

Location

Related Publications (4)

  • Duncan JS, Sander JW. The Chalfont Seizure Severity Scale. J Neurol Neurosurg Psychiatry. 1991 Oct;54(10):873-6. doi: 10.1136/jnnp.54.10.873.

    PMID: 1744641BACKGROUND
  • Pinheiro, J.C. and Bates, D.M. (2000). Mixed-Effects Models in S and S-Plus. Springer, Verlag, New York.

    BACKGROUND
  • Szaflarski JP, Hernando K, Bebin EM, Gaston TE, Grayson LE, Ampah SB, Moreadith R. Higher cannabidiol plasma levels are associated with better seizure response following treatment with a pharmaceutical grade cannabidiol. Epilepsy Behav. 2019 Jun;95:131-136. doi: 10.1016/j.yebeh.2019.03.042. Epub 2019 Apr 29.

  • Warren PP, Bebin EM, Nabors LB, Szaflarski JP. The use of cannabidiol for seizure management in patients with brain tumor-related epilepsy. Neurocase. 2017 Oct-Dec;23(5-6):287-291. doi: 10.1080/13554794.2017.1391294. Epub 2017 Oct 24.

Related Links

MeSH Terms

Conditions

EpilepsySeizures

Interventions

Cannabidiol

Condition Hierarchy (Ancestors)

Brain DiseasesCentral Nervous System DiseasesNervous System DiseasesNeurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

CannabinoidsTerpenesHydrocarbonsOrganic Chemicals

Limitations and Caveats

Flexible dosing schedule; Over- or underreporting of seizure frequency and severity that may reflect patients' or caregivers' desires to qualify or remain in the study; Non-normality of the data; Early withdrawal of participants.

Results Point of Contact

Title
Dr. Jerzy Szaflarski, MD, PhD
Organization
University of Alabama at Birmingham

Study Officials

  • Jerzy Szaflarski, MD, PhD

    University of Alabama at Birmingham

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 1
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

February 24, 2016

First Posted

March 7, 2016

Study Start

April 1, 2015

Primary Completion

August 8, 2019

Study Completion

August 8, 2019

Last Updated

May 8, 2020

Results First Posted

May 8, 2020

Record last verified: 2019-05

Data Sharing

IPD Sharing
Will not share

Locations