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An Efficacy and Safety Study of Clemizole HCl in Patients With Lennox-Gastaut Syndrome
An Efficacy and Safety Study of Clemizole HCl in Patients With Lennox-Gastaut Syndrome

NCT05066217

RecruitingPhase 3

Sponsor: Epygenix

Conditions: Lennox Gastaut Syndrome

Interventions: Clemizole HCl, Placebo

Countries: United States, China, Italy, Poland, Romania, Serbia, Spain

This is a multicenter, Phase 3, randomized, double-blind, placebo-controlled study designed to evaluate the efficacy and safety of clemizole HCL (EPX-100) as adjunctive therapy in children and adult participants with Lennox-Gastaut syndrome (LGS).

Eligibility overview

Sex: ALL

Age: 2 Years to 55 Years

Healthy volunteers: No

Study type: INTERVENTIONAL

Eligibility criteria
Key Inclusion Criteria:

1. Males or females, ages ≥2 to ≤55 years, at the time of Screening.
2. Participant/parent/legal authorized representative (LAR) willing and able to give written informed consent/assent.
3. Diagnosis of LGS, including:

   * Evidence of at least one type of countable major motor seizure.
   * History of electroencephalogram (EEG) consistent with LGS (abnormal background activity, and one of the following: 1) slow spike-wave discharges \[\<2.5 Hz\], or 2) paroxysmal fast activity during sleep).
   * Abnormal cognitive development.
   * Onset of seizures at 11 years of age or younger.

Key Exclusion Criteria:

1. Known sensitivity, allergy, or previous exposure to clemizole HCl.
2. Known history of long QT syndrome or any significant history of a serious abnormality of the electrocardiogram (ECG) (e.g., recent myocardial infarction, clinically significant arrhythmia).
3. Family history of sudden cardiac death, unexplained death, or death from a primary dysrhythmia potentially associated with QT prolongation in any family member.
4. Seizures secondary to illicit drug or alcohol use, infection, neoplasm, demyelinating disease, degenerative neurological disease, or progressive central nervous system disease, metabolic illness, recent anoxic episode within the last 6 months requiring resuscitation, or progressive degenerative disease or any other condition, which in the opinion of the investigator, could affect seizure control.
5. Epilepsy surgery planned during the study or epilepsy surgery within 6 months prior to Screening.
6. Concomitant use of fenfluramine.
7. Prior or concomitant use of lorcaserin.
Locations (55)
  • Little Rock, Arkansas, United States
  • Orange, California, United States
  • Miami, Florida, United States
  • Orlando, Florida, United States
  • Orlando, Florida, United States
  • Winter Park, Florida, United States
  • Chicago, Illinois, United States
  • Louisville, Kentucky, United States
  • Detroit, Michigan, United States
  • Roseville, Minnesota, United States
  • Omaha, Nebraska, United States
  • Marlboro, New Jersey, United States
  • New York, New York, United States
  • New York, New York, United States
  • Charlotte, North Carolina, United States
  • Charlotte, North Carolina, United States
  • Durham, North Carolina, United States
  • Morrisville, North Carolina, United States
  • Philadelphia, Pennsylvania, United States
  • Houston, Texas, United States
  • Salt Lake City, Utah, United States
  • Beijing, China
  • Beijing, China
  • Beijing, China
  • Changchun, China
  • Changsha, China
  • Chengdu, China
  • Chengdu, China
  • Chongqing, China
  • Guangzhou, China
  • + 25 more on CT.gov