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
Public ClinicalTrials.gov record NCT03936777. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
An Open-Label Extension Trial to Assess the Long-Term Safety of ZX008 (Fenfluramine Hydrochloride) Oral Solution as an Adjunctive Therapy for Seizures in Patients With Rare Seizure Disorders Such as Epileptic Encephalopathies Including Dravet Syndrome and Lennox-Gastaut Syndrome
Study identification
- NCT ID
- NCT03936777
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Zogenix, Inc.
- Industry
- Enrollment
- 412 participants
Conditions and interventions
Interventions
- ZX008 (Fenfluramine Hydrochloride) Drug
Drug
Eligibility (public fields only)
- Age range
- 2 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Apr 21, 2019
- Primary completion
- May 7, 2025
- Completion
- May 7, 2025
- Last update posted
- Nov 16, 2025
2019 – 2025
United States locations
- U.S. sites
- 26
- U.S. states
- 16
- U.S. cities
- 26
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Ep0215 107 | Tucson | Arizona | 85718 | — |
| Ep0215 144 | Los Angeles | California | 90095 | — |
| Ep0215 108 | San Diego | California | 92123 | — |
| Ep0215 101 | San Francisco | California | 94158 | — |
| Ep0215 103 | Aurora | Colorado | 80045 | — |
| Ep0215 115 | Gulf Breeze | Florida | 32561 | — |
| Ep0215 104 | Miami | Florida | 33155 | — |
| Ep0215 141 | Orlando | Florida | 32803 | — |
| Ep0215 121 | Winter Park | Florida | 32789 | — |
| Ep0215 117 | Atlanta | Georgia | 30328 | — |
| Ep0215 110 | Chicago | Illinois | 60611-2605 | — |
| Ep0215 140 | Bethesda | Maryland | 20817 | — |
| Ep0215 112 | Boston | Massachusetts | 02114 | — |
| Ep0215 109 | Rochester | Minnesota | 55905 | — |
| Ep0215 132 | Roseville | Minnesota | 55113 | — |
| Ep0215 105 | Hackensack | New Jersey | 07601 | — |
| Ep0215 118 | Livingston | New Jersey | 07039 | — |
| Ep0215 150 | Hawthorne | New York | 10532 | — |
| Ep0215 142 | New York | New York | 10016 | — |
| Ep0215 131 | Cleveland | Ohio | 44106 | — |
| Ep0215 124 | Memphis | Tennessee | 38103 | — |
| Ep0215 146 | Dallas | Texas | 75207 | — |
| Ep0215 126 | Fort Worth | Texas | 76104 | — |
| Ep0215 106 | Salt Lake City | Utah | 84108 | — |
| Ep0215 119 | Seattle | Washington | 98105 | — |
| Ep0215 125 | Tacoma | Washington | 98405 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 45 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03936777, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Nov 16, 2025 · Synced Jul 21, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03936777 live on ClinicalTrials.gov.