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ENACT: A Study of ENX-101 as Adjunctive Treatment in Patients With Focal Seizures (ENACT)

Primary Purpose

Focal Epilepsy

Status
Withdrawn
Phase
Phase 2
Locations
United States
Study Type
Interventional
Intervention
ENX-101
Sponsored by
Engrail Therapeutics INC
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Focal Epilepsy

Eligibility Criteria

18 Years - 75 Years (Adult, Older Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria:

  1. Male or female aged 18 to 75 years, inclusive, at Screening
  2. Diagnosed with focal (partial onset) epilepsy according to the International League Against Epilepsy (ILAE) 2017 classification of Epilepsy, as confirmed by the Epilepsy Study Consortium
  3. Able to provide an imaging study(ies) [magnetic resonance imaging (MRI) scan strongly preferred yet computed tomography (CT) acceptable] obtained within the previous 10 years that can rule out a progressive cause of epilepsy
  4. During the 3 months (84 days) immediately prior to Screening:

    • ≥ 3 observable focal onset seizures per 28-day period
    • <10 seizures per day
    • Any seizure-free interval no more than 21 days in length,
  5. During the 8-week Baseline Period prior to Day 1:

    • ≥ 6 observable focal onset seizures
    • < 10 seizures per day
    • No seizure-free interval of ≥ 21 days,
  6. Has been treated with antiseizure medications (ASMs) ≥ 2 years and currently being treated with:

    • One to 4 ASMs at stable doses for at least 28 days before Screening (not including the rescue medication)
    • Dose adjustments not expected during study

Exclusion Criteria:

  1. EEG shows any pattern not consistent with focal etiology of seizures (e.g., generalized spike-wave)
  2. Has history of focal onset seizures which involve subjective sensory or psychic phenomena without impairment of consciousness or awareness (formerly referred to as simple partial seizures without observable component) as their only seizure type
  3. Has genetic/idiopathic generalized epilepsies or combined generalized and focal epilepsies, including a history of Lennox-Gastaut syndrome
  4. Has history of seizures that occur at such a high frequency they cannot be reliably counted (e.g., repetitive, cluster seizures) within the year prior to Screening
  5. Has history of psychogenic non-epileptic seizures
  6. Has history of status epilepticus within two years prior to Screening
  7. Treatment of epilepsy with ASM was initiated < 2 years prior to Screening
  8. Ingested excluded concomitant medication within 5 half lives or 28 days (whichever is longer) prior to Screening
  9. Had epilepsy surgery for tissue resection < 1 year prior to Screening or radiosurgery < 2 years prior to Screening
  10. Had Vagus Nerve Stimulation (VNS), Deep Brain Stimulation (DBS), Responsive Neurostimulator System (RNS), or other neurostimulation for epilepsy device implanted or activated < 1 year prior to Screening, stimulation parameters have been stable for < 3 months, or battery life of unit not anticipated to extend for duration of trial
  11. Initiated dietary therapy for epilepsy (e.g., ketogenic diet) < 3 months prior to Screening

Sites / Locations

  • Barrow Neurological Institute
  • University of Arizona
  • Rancho Research Institute at Rancho Los Amigos National Rehabilitation Center
  • University of Colorado
  • University of Florida Research Institute of Orlando
  • Royal Care Medical Research Corporation
  • University of Miami
  • D&H National Research Centers
  • S&G Research Center Corp.
  • Florida Hospital
  • Comprehensive Neurology Clinic
  • Emory University School of Medicine
  • Hawaii Pacific Neuroscience
  • OSF HealthCare Illinois Neurological Institute
  • University of Kansas
  • Saint Joseph Health System
  • Maine Medical Partners Neurology
  • University of Maryland Medical Center
  • Mid-Atlantic Epilepsy and Sleep Center
  • University of Michigan
  • Oakland University William Beaumont School of Medicine
  • SRI International
  • Advanced Clinical Research Center
  • Washington University School of Medicine
  • Somnos Clinical Research/Neurology Associates
  • Northeast Regional Epilepsy Group
  • Institute of Neurology and Neurosurgery at Saint Barnabas LLC
  • Montefiore Medical Center
  • Donald and Barbara Zucker School of Medicine at Hofstra/Northwell
  • University of Rochester
  • Atrium Health
  • Duke University School of Medicine
  • NeuroScience Research Center, LLC
  • Thomas Jefferson University
  • University of Pittsburgh
  • DJL Clinical Research
  • Mt. Olympus Medical Research
  • University of Virginia

Arms of the Study

Arm 1

Arm 2

Arm 3

Arm Type

Experimental

Experimental

Placebo Comparator

Arm Label

ENX-101 15mg daily

ENX-101 30mg daily

Placebo daily

Arm Description

Outcomes

Primary Outcome Measures

To evaluate the efficacy of ENX-101 administered adjunctively with 1 to 4 antiseizure medications for the treatment of focal seizures
The median percent change from baseline in 28-day focal seizure frequency (focal aware motor with observable component, focal impaired awareness, or focal to bilateral tonic-clonic seizures) compared to placebo

Secondary Outcome Measures

To evaluate the efficacy of ENX-101 administered adjunctively with 1 to 4 antiseizure medications for the treatment of focal seizures
The responder rate defined as the percent of patients who experience a 50% or greater reduction from baseline in seizure frequency in the Treatment Period compared to placebo (designated as primary for the European Medicines Agency)
To evaluate the efficacy of ENX-101
The percent of patients who are seizure free during the last 28 days of the Treatment Period
To evaluate the efficacy of ENX-101
The percent of patients who are seizure free during the entire Treatment Period

Full Information

First Posted
July 28, 2022
Last Updated
July 3, 2023
Sponsor
Engrail Therapeutics INC
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1. Study Identification

Unique Protocol Identification Number
NCT05481905
Brief Title
ENACT: A Study of ENX-101 as Adjunctive Treatment in Patients With Focal Seizures
Acronym
ENACT
Official Title
The ENACT Trial: A Randomized, Double-blind, Placebo-controlled Adjunctive Treatment Trial to Evaluate the Efficacy and Safety of ENX-101 in Patients With Focal (Partial Onset) Seizures
Study Type
Interventional

2. Study Status

Record Verification Date
July 2022
Overall Recruitment Status
Withdrawn
Why Stopped
Business decision
Study Start Date
September 2022 (Anticipated)
Primary Completion Date
September 2024 (Anticipated)
Study Completion Date
December 2024 (Anticipated)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Engrail Therapeutics INC

4. Oversight

Studies a U.S. FDA-regulated Drug Product
Yes
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
Yes

5. Study Description

Brief Summary
The ENACT trial is designed to evaluate the efficacy and safety of ENX-101 administered adjunctively to current therapy in reducing seizure frequency in patients diagnosed with focal (partial onset) epilepsy and treated with 1 to 4 antiseizure medications yet still experiencing seizures.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Focal Epilepsy

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 2
Interventional Study Model
Parallel Assignment
Masking
ParticipantCare ProviderInvestigatorOutcomes Assessor
Allocation
Randomized
Enrollment
0 (Actual)

8. Arms, Groups, and Interventions

Arm Title
ENX-101 15mg daily
Arm Type
Experimental
Arm Title
ENX-101 30mg daily
Arm Type
Experimental
Arm Title
Placebo daily
Arm Type
Placebo Comparator
Intervention Type
Drug
Intervention Name(s)
ENX-101
Intervention Description
Adjunctive treatment to current antiseizure medication
Primary Outcome Measure Information:
Title
To evaluate the efficacy of ENX-101 administered adjunctively with 1 to 4 antiseizure medications for the treatment of focal seizures
Description
The median percent change from baseline in 28-day focal seizure frequency (focal aware motor with observable component, focal impaired awareness, or focal to bilateral tonic-clonic seizures) compared to placebo
Time Frame
Day 1 to end of the Treatment Period (Day 56) compared to placebo
Secondary Outcome Measure Information:
Title
To evaluate the efficacy of ENX-101 administered adjunctively with 1 to 4 antiseizure medications for the treatment of focal seizures
Description
The responder rate defined as the percent of patients who experience a 50% or greater reduction from baseline in seizure frequency in the Treatment Period compared to placebo (designated as primary for the European Medicines Agency)
Time Frame
Treatment Period (Day 1 to Day 56) compared to placebo
Title
To evaluate the efficacy of ENX-101
Description
The percent of patients who are seizure free during the last 28 days of the Treatment Period
Time Frame
Treatment Period (Day 29 to Day 56) compared to placebo
Title
To evaluate the efficacy of ENX-101
Description
The percent of patients who are seizure free during the entire Treatment Period
Time Frame
Treatment Period (Day 1 to Day 56) compared to placebo

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
75 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: Male or female aged 18 to 75 years, inclusive, at Screening Diagnosed with focal (partial onset) epilepsy according to the International League Against Epilepsy (ILAE) 2017 classification of Epilepsy, as confirmed by the Epilepsy Study Consortium Able to provide an imaging study(ies) [magnetic resonance imaging (MRI) scan strongly preferred yet computed tomography (CT) acceptable] obtained within the previous 10 years that can rule out a progressive cause of epilepsy During the 3 months (84 days) immediately prior to Screening: ≥ 3 observable focal onset seizures per 28-day period <10 seizures per day Any seizure-free interval no more than 21 days in length, During the 8-week Baseline Period prior to Day 1: ≥ 6 observable focal onset seizures < 10 seizures per day No seizure-free interval of ≥ 21 days, Has been treated with antiseizure medications (ASMs) ≥ 2 years and currently being treated with: One to 4 ASMs at stable doses for at least 28 days before Screening (not including the rescue medication) Dose adjustments not expected during study Exclusion Criteria: EEG shows any pattern not consistent with focal etiology of seizures (e.g., generalized spike-wave) Has history of focal onset seizures which involve subjective sensory or psychic phenomena without impairment of consciousness or awareness (formerly referred to as simple partial seizures without observable component) as their only seizure type Has genetic/idiopathic generalized epilepsies or combined generalized and focal epilepsies, including a history of Lennox-Gastaut syndrome Has history of seizures that occur at such a high frequency they cannot be reliably counted (e.g., repetitive, cluster seizures) within the year prior to Screening Has history of psychogenic non-epileptic seizures Has history of status epilepticus within two years prior to Screening Treatment of epilepsy with ASM was initiated < 2 years prior to Screening Ingested excluded concomitant medication within 5 half lives or 28 days (whichever is longer) prior to Screening Had epilepsy surgery for tissue resection < 1 year prior to Screening or radiosurgery < 2 years prior to Screening Had Vagus Nerve Stimulation (VNS), Deep Brain Stimulation (DBS), Responsive Neurostimulator System (RNS), or other neurostimulation for epilepsy device implanted or activated < 1 year prior to Screening, stimulation parameters have been stable for < 3 months, or battery life of unit not anticipated to extend for duration of trial Initiated dietary therapy for epilepsy (e.g., ketogenic diet) < 3 months prior to Screening
Facility Information:
Facility Name
Barrow Neurological Institute
City
Phoenix
State/Province
Arizona
ZIP/Postal Code
85013
Country
United States
Facility Name
University of Arizona
City
Tucson
State/Province
Arizona
ZIP/Postal Code
85724
Country
United States
Facility Name
Rancho Research Institute at Rancho Los Amigos National Rehabilitation Center
City
Downey
State/Province
California
ZIP/Postal Code
90242
Country
United States
Facility Name
University of Colorado
City
Aurora
State/Province
Colorado
ZIP/Postal Code
80045
Country
United States
Facility Name
University of Florida Research Institute of Orlando
City
Gainesville
State/Province
Florida
ZIP/Postal Code
32611
Country
United States
Facility Name
Royal Care Medical Research Corporation
City
Miami
State/Province
Florida
ZIP/Postal Code
33032
Country
United States
Facility Name
University of Miami
City
Miami
State/Province
Florida
ZIP/Postal Code
33136
Country
United States
Facility Name
D&H National Research Centers
City
Miami
State/Province
Florida
ZIP/Postal Code
33155
Country
United States
Facility Name
S&G Research Center Corp.
City
Miami
State/Province
Florida
ZIP/Postal Code
33155
Country
United States
Facility Name
Florida Hospital
City
Orlando
State/Province
Florida
ZIP/Postal Code
32803
Country
United States
Facility Name
Comprehensive Neurology Clinic
City
Orlando
State/Province
Florida
ZIP/Postal Code
32825
Country
United States
Facility Name
Emory University School of Medicine
City
Atlanta
State/Province
Georgia
ZIP/Postal Code
30322
Country
United States
Facility Name
Hawaii Pacific Neuroscience
City
Honolulu
State/Province
Hawaii
ZIP/Postal Code
96817
Country
United States
Facility Name
OSF HealthCare Illinois Neurological Institute
City
Peoria
State/Province
Illinois
ZIP/Postal Code
61603
Country
United States
Facility Name
University of Kansas
City
Kansas City
State/Province
Kansas
ZIP/Postal Code
66160
Country
United States
Facility Name
Saint Joseph Health System
City
Lexington
State/Province
Kentucky
ZIP/Postal Code
40504
Country
United States
Facility Name
Maine Medical Partners Neurology
City
Scarborough
State/Province
Maine
ZIP/Postal Code
04074
Country
United States
Facility Name
University of Maryland Medical Center
City
Baltimore
State/Province
Maryland
ZIP/Postal Code
21201
Country
United States
Facility Name
Mid-Atlantic Epilepsy and Sleep Center
City
Bethesda
State/Province
Maryland
ZIP/Postal Code
20817
Country
United States
Facility Name
University of Michigan
City
Ann Arbor
State/Province
Michigan
ZIP/Postal Code
48109
Country
United States
Facility Name
Oakland University William Beaumont School of Medicine
City
Farmington Hills
State/Province
Michigan
ZIP/Postal Code
48334
Country
United States
Facility Name
SRI International
City
Plymouth
State/Province
Michigan
ZIP/Postal Code
48170
Country
United States
Facility Name
Advanced Clinical Research Center
City
Bridgeton
State/Province
Missouri
ZIP/Postal Code
63044
Country
United States
Facility Name
Washington University School of Medicine
City
Saint Louis
State/Province
Missouri
ZIP/Postal Code
63110
Country
United States
Facility Name
Somnos Clinical Research/Neurology Associates
City
Lincoln
State/Province
Nebraska
ZIP/Postal Code
68510
Country
United States
Facility Name
Northeast Regional Epilepsy Group
City
Hackensack
State/Province
New Jersey
ZIP/Postal Code
07601
Country
United States
Facility Name
Institute of Neurology and Neurosurgery at Saint Barnabas LLC
City
Livingston
State/Province
New Jersey
ZIP/Postal Code
07039
Country
United States
Facility Name
Montefiore Medical Center
City
Bronx
State/Province
New York
ZIP/Postal Code
10467
Country
United States
Facility Name
Donald and Barbara Zucker School of Medicine at Hofstra/Northwell
City
New York
State/Province
New York
ZIP/Postal Code
10016
Country
United States
Facility Name
University of Rochester
City
Rochester
State/Province
New York
ZIP/Postal Code
14618
Country
United States
Facility Name
Atrium Health
City
Chapel Hill
State/Province
North Carolina
ZIP/Postal Code
28204
Country
United States
Facility Name
Duke University School of Medicine
City
Durham
State/Province
North Carolina
ZIP/Postal Code
27710
Country
United States
Facility Name
NeuroScience Research Center, LLC
City
Canton
State/Province
Ohio
ZIP/Postal Code
44718
Country
United States
Facility Name
Thomas Jefferson University
City
Philadelphia
State/Province
Pennsylvania
ZIP/Postal Code
42101
Country
United States
Facility Name
University of Pittsburgh
City
Pittsburgh
State/Province
Pennsylvania
ZIP/Postal Code
15213
Country
United States
Facility Name
DJL Clinical Research
City
Rock Hill
State/Province
South Carolina
ZIP/Postal Code
29732
Country
United States
Facility Name
Mt. Olympus Medical Research
City
Sugar Land
State/Province
Texas
ZIP/Postal Code
77479
Country
United States
Facility Name
University of Virginia
City
Charlottesville
State/Province
Virginia
ZIP/Postal Code
22908
Country
United States

12. IPD Sharing Statement

Learn more about this trial

ENACT: A Study of ENX-101 as Adjunctive Treatment in Patients With Focal Seizures

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