Status:

COMPLETED

A Study to Investigate the Efficacy and Safety of ZX008 (Fenfluramine Hydrochloride) as an Adjunctive Therapy in Children and Adults With Lennox-Gastaut Syndrome

Lead Sponsor:

Zogenix International Limited, Inc., a subsidiary of Zogenix, Inc.

Conditions:

Lennox Gastaut Syndrome

Eligibility:

All Genders

2-35 years

Phase:

PHASE3

Brief Summary

This is a two-part, multicenter, double-blind, parallel-group, placebo controlled study to evaluate the effect of ZX008 when used as adjunctive therapy for the treatment of uncontrolled seizures in ch...

Eligibility Criteria

Inclusion

  • Key
  • Male or non-pregnant, non-lactating female, age 2 to 35 years, inclusive as of the day of the Screening Visit.
  • Clinical diagnosis of Lennox-Gastaut syndrome, where seizures that result in drops are not completely controlled by current antiepileptic treatments.
  • Onset of seizures at 11 years of age or younger.
  • Abnormal cognitive development.
  • Must be receiving at least 1 concomitant AED and up to 4 concomitant anti-epileptic treatments.
  • Key

Exclusion

  • Etiology of seizures is a degenerative neurological disease.
  • History of hemiclonic seizures in the first year of life.
  • Subject only has drop seizures in clusters, where individual seizures cannot be counted reliably.
  • Pulmonary arterial hypertension.
  • Current or past history of cardiovascular or cerebrovascular disease, such as cardiac valvulopathy, myocardial infarction or stroke.
  • Receiving concomitant therapy with: centrally-acting anorectic agents; monoamineoxidase inhibitors; any centrally-acting compound with clinically appreciable amount of serotonin agonist or antagonist properties, including serotonin reuptake inhibition; atomoxetine, or other centrally-acting noradrenergic agonist; cyproheptadine.
  • Taking felbamate for less than 1 year prior to screening and/or does not have stable liver function and hematology laboratory tests, and/or the dose has not been stable for at least 60 days prior to the Screening Visit.
  • Currently receiving an investigational product.
  • Institutionalized in a general nursing home (ie, in a facility that does not specialize in epilepsy care).
  • A clinically significant condition, or has had clinically relevant symptoms or a clinically significant illness in the 4 weeks prior to the Screening Visit, other than epilepsy, that would negatively impact study participation, collection of study data, or pose a risk to the subject.

Key Trial Info

Start Date :

November 27 2017

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

May 23 2024

Estimated Enrollment :

296 Patients enrolled

Trial Details

Trial ID

NCT03355209

Start Date

November 27 2017

End Date

May 23 2024

Last Update

July 3 2025

Active Locations (72)

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Page 1 of 18 (72 locations)

1

Ep0214 107

Tucson, Arizona, United States, 85718

2

Ep0214 144

Los Angeles, California, United States, 90095-1752

3

Ep0214 101

San Francisco, California, United States, 94158

4

Ep0214 103

Aurora, Colorado, United States, 80045