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NCT03936777 · ClinicalTrials.gov registry record · Phase 3

A Study to Investigate the Long-Term Safety of ZX008 (Fenfluramine Hydrochloride) Oral Solution in Children and Adults With Epileptic Encephalopathy Including Dravet Syndrome and Lennox-Gastaut Syndrome

A Phase 3 study of Dravet Syndrome and Lennox Gastaut Syndrome, sponsored by Zogenix.

Completed
Registry status
Phase 3
Development phase
412
Enrollment target
20
Study locations

NCT03936777: Completed Phase 3 study of Dravet Syndrome and Lennox Gastaut Syndrome, sponsored by Zogenix.

NCT03936777 is a Phase 3 study of Dravet Syndrome and Lennox Gastaut Syndrome that has completed, run by Zogenix. The registered enrollment target is 412 participants, above the 76-participant average among 12 other Dravet Syndrome trials with a reported enrollment target (442% higher). The trial reports 20 study locations across 12 states. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03936777, a Phase 3 study of Dravet Syndrome and Lennox Gastaut Syndrome, has completed, sponsored by Zogenix.

COMPLETED
Registry status
Phase 3
Development phase
412 participants
Enrollment target
20
Study locations

Study Summary

This is an international, multicenter, open-label, long-term safety study of ZX008 in subjects with Dravet syndrome, Lennox-Gastaut syndrome or epileptic encephalopathy

Primary Outcome

An adverse event (AE) is any untoward medical occurrence in a patient or clinical investigation subject administered a pharmaceutical product and which does not necessarily have a causal relationship with this treatment. An AE can, therefore, be any unfavorable and unintended sign (including an abnormal, clinically significant laboratory finding), symptom, or disease temporally associated with the use of a medicinal (investigational) product, whether or not considered related to the medicinal (i

Interventions

  • DRUG ZX008 (Fenfluramine Hydrochloride)

Study Locations (20)

Florida

  • Ep0215 115 - Gulf Breeze
  • Ep0215 104 - Miami
  • Ep0215 141 - Orlando
  • Ep0215 121 - Winter Park

California

  • Ep0215 144 - Los Angeles
  • Ep0215 108 - San Diego
  • Ep0215 101 - San Francisco

Minnesota

  • Ep0215 109 - Rochester
  • Ep0215 132 - Roseville

New Jersey

  • Ep0215 105 - Hackensack
  • Ep0215 118 - Livingston

New York

  • Ep0215 150 - Hawthorne
  • Ep0215 142 - New York

Arizona

  • Ep0215 107 - Tucson

Colorado

  • Ep0215 103 - Aurora

Georgia

  • Ep0215 117 - Atlanta

Trial Details

FieldValue
Enrollment Target 412 participants
Start Date 2019-04-22
Est. Completion 2025-05-08
Phase Phase 3
Zogenix

9 total trials

What the finished NCT03936777 record still lists

NCT03936777 is an interventional study that assigns participants to a tested intervention. The registered 412 participants enrollment target is mid-sized for trials with a published cap, above the 76-participant average among 12 other Dravet Syndrome trials with a reported enrollment target (442% higher).

The record links to 3 conditions, with Dravet Syndrome appearing as the primary indexed condition, and to 1 intervention - of which ZX008 (Fenfluramine Hydrochloride) is the first listed.

NCT03936777 names 20 study sites across 12 states, led by Florida, California, Minnesota.

Frequently Asked Questions

What is clinical trial NCT03936777 about?

NCT03936777 is a clinical study titled "A Study to Investigate the Long-Term Safety of ZX008 (Fenfluramine Hydrochloride) Oral Solution in Children and Adults With Epileptic Encephalopathy Including Dravet Syndrome and Lennox-Gastaut Syndrome". This is an international, multicenter, open-label, long-term safety study of ZX008 in subjects with Dravet syndrome, Lennox-Gastaut syndrome or epileptic encephalopathy

What is the current status of trial NCT03936777?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 412 participants. The study started on 2019-04-22. Estimated completion is 2025-05-08.

What conditions does trial NCT03936777 study?

This clinical trial studies the following conditions: Dravet Syndrome, Lennox Gastaut Syndrome, Epileptic Encephalopathy.

What interventions are being tested in trial NCT03936777?

The interventions under investigation include: ZX008 (Fenfluramine Hydrochloride) (DRUG).

Who is sponsoring clinical trial NCT03936777?

This trial is sponsored by Zogenix, which has 9 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT03936777 being conducted?

This trial has 20 study locations across Arizona, California, Colorado, Florida, Georgia. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Dravet Syndrome

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT03936777's enrollment target sits among peer trials

412 1st of 12 higher than 12 of 12 other Dravet Syndrome trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Dravet Syndrome trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT03936777, the US trial registry maintained by the National Library of Medicine. NCT03936777 (mid enrollment · wide site footprint · completed) retrieved and formatted by PlainTrial, see methodology.