MedPath

Ezogabine

Generic Name
Ezogabine
Drug Type
Small Molecule
Chemical Formula
C16H18FN3O2
CAS Number
150812-12-7
Unique Ingredient Identifier
12G01I6BBU
Background

Ezogabine (D23129) is a close structural analog of the centrally acting analgesic flupitrine. It is a neuronal potassium channel opener being developed as a first-in-class antiepileptic drug (AED) and is currently being studied in Phase 3 trials as an adjunctive treatment for partial-onset seizures in adult patients with refractory epilepsy. FDA approved in June 10, 2011 under the name of ezogabine.

Indication

Adjuvant treatment of partial-onset seizures.

Associated Conditions
Refractory Partial Onset Seizures

An Open-Label Extension of the Study XEN496 (Ezogabine) in Children With KCNQ2-DEE

Phase 3
Terminated
Conditions
Nervous System Diseases
Epilepsy in Children
Disease
Central Nervous System Diseases
Epileptic Syndromes
Epilepsy; Seizure
Epilepsy
Brain Diseases
Interventions
First Posted Date
2021-06-03
Last Posted Date
2025-02-14
Lead Sponsor
Xenon Pharmaceuticals Inc.
Target Recruit Count
8
Registration Number
NCT04912856
Locations
🇺🇸

Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States

🇦🇺

Sydney Children's Hospital, Sydney, New South Wales, Australia

🇧🇪

Universitair Ziekenhuis Antwerpen - Dienst Kinderneurologie, Edegem, Antwerpen, Belgium

and more 1 locations

XEN496 (Ezogabine) in Children With KCNQ2 Developmental and Epileptic Encephalopathy

Phase 3
Terminated
Conditions
Disease
Epilepsy
Epilepsy in Children
Epilepsy; Seizure
Brain Diseases
Central Nervous System Diseases
Nervous System Diseases
Epileptic Syndromes
Interventions
Drug: Placebo
First Posted Date
2020-11-20
Last Posted Date
2024-08-23
Lead Sponsor
Xenon Pharmaceuticals Inc.
Target Recruit Count
8
Registration Number
NCT04639310
Locations
🇺🇸

The Cleveland Clinic Foundation, Cleveland, Ohio, United States

🇺🇸

Anne & Robert H. Lurie Children's Hospital, Chicago, Illinois, United States

🇺🇸

Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States

and more 17 locations

Study to Treat Major Depressive Disorder With a New Medication

Phase 2
Completed
Conditions
Depressive Disorder
Anhedonia
Interventions
Drug: Placebos
First Posted Date
2017-02-06
Last Posted Date
2020-10-23
Lead Sponsor
James Murrough
Target Recruit Count
45
Registration Number
NCT03043560
Locations
🇺🇸

Icahn School of Medicine at Mount Sinai, New York, New York, United States

🇺🇸

Baylor College of Medicine, Houston, Texas, United States

Clinical Trial of Ezogabine (Retigabine) in ALS Subjects

Phase 2
Completed
Conditions
Amyotrophic Lateral Sclerosis
Interventions
Drug: Placebo
First Posted Date
2015-05-21
Last Posted Date
2019-08-28
Lead Sponsor
Brian Wainger
Target Recruit Count
65
Registration Number
NCT02450552
Locations
🇺🇸

Massachusetts General Hospital, Boston, Massachusetts, United States

🇺🇸

Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States

🇺🇸

UC Irvine Medical Center, Orange, California, United States

and more 9 locations

Study to Treat Major Depressive Disorder (MDD) With a New Medication

Phase 2
Completed
Conditions
Major Depressive Disorder
Depression
Interventions
First Posted Date
2014-05-29
Last Posted Date
2019-04-16
Lead Sponsor
Icahn School of Medicine at Mount Sinai
Target Recruit Count
18
Registration Number
NCT02149836
Locations
🇺🇸

Icahn School of Medicine at Mount Sinai, New York, New York, United States

Cortical Excitability Changes Induced by Retigabine: a Transcranial Magnetic Stimulation Study

Phase 3
Completed
Conditions
Epilepsy
Interventions
Drug: placebo
First Posted Date
2013-04-04
Last Posted Date
2014-12-02
Lead Sponsor
University Hospital of Mont-Godinne
Target Recruit Count
15
Registration Number
NCT01823159
Locations
🇧🇪

CHU Mont-Godinne, Yvoir, Namur, Belgium

A Long-term, Safety, Tolerability, and Efficacy Study of Retigabine Immediate-release (IR) in Asian Adults With Partial Onset Seizures

Phase 3
Completed
Conditions
Epilepsy
Interventions
First Posted Date
2013-01-28
Last Posted Date
2020-03-11
Lead Sponsor
GlaxoSmithKline
Target Recruit Count
30
Registration Number
NCT01777139
Locations
🇹🇭

GSK Investigational Site, Khon Kaen, Thailand

Pharmacokinetic Study of Retigabine Extended Release (XR) Formulation in Healthy Adult Japanese and Caucasian Subjects

Phase 1
Withdrawn
Conditions
Epilepsy, Partial
Interventions
First Posted Date
2012-09-25
Last Posted Date
2018-09-17
Lead Sponsor
GlaxoSmithKline
Registration Number
NCT01691872
Locations
🇯🇵

GSK Investigational Site, Kagoshima, Japan

Assessment of the Efficacy and Safety of 2 Doses of Retigabine Immediate Release (900 mg/Day and 600 mg/Day) Used as Adjunctive Therapy in Adult Asian Subjects With Drug-resistant Partial-onset Seizures

Phase 3
Terminated
Conditions
Epilepsy
Interventions
First Posted Date
2012-07-24
Last Posted Date
2018-08-13
Lead Sponsor
GlaxoSmithKline
Target Recruit Count
76
Registration Number
NCT01648101
Locations
🇹🇭

GSK Investigational Site, Khon Kaen, Thailand

Effect of Haemodialysis on the Pharmacokinetics of Ezogabine/Retigabine and Its N-acetyl Metabolite

Phase 1
Completed
Conditions
Epilepsy
Interventions
First Posted Date
2011-11-29
Last Posted Date
2018-06-19
Lead Sponsor
GlaxoSmithKline
Target Recruit Count
8
Registration Number
NCT01480609
Locations
🇺🇸

GSK Investigational Site, Minneapolis, Minnesota, United States

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