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Showing 1–18 of 18 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 3 Interventional Results available

A Trial of Two Fixed Doses of ZX008 (Fenfluramine HCl) in Children and Young Adults With Dravet Syndrome

NCT02682927
View directory record Official record
Conditions
Dravet Syndrome, Seizure Disorder
Interventions
ZX008 (Fenfluramine Hydrochloride), Matching Placebo
Drug
Lead sponsor
Zogenix International Limited, Inc., a subsidiary of Zogenix, Inc.
Industry
Eligibility
2 Years to 18 Years
Enrollment
262 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
19
States / cities
Phoenix, Arizona • Tucson, Arizona • San Diego, California + 15 more
Source: ClinicalTrials.gov public record
Updated Sep 27, 2023 · Synced Sep 29, 2026, 2:13 PM EDT
Completed Phase 3 Interventional Results available

Long-Term Study of Hydrocodone Bitartrate Controlled-release Capsules in Subjects With Chronic Pain

NCT01115569
View directory record Official record
Conditions
Chronic Pain
Interventions
Hydrocodone Bitartrate
Drug
Lead sponsor
Zogenix, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
424 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
50
States / cities
Phoenix, Arizona • Sierra Vista, Arizona • Little Rock, Arkansas + 44 more
Source: ClinicalTrials.gov public record
Updated Nov 8, 2022 · Synced Sep 29, 2026, 2:13 PM EDT
Completed Phase 3 Interventional Results available

A 2-Part Study to Investigate the Dose-Ranging Safety and Pharmacokinetics, Followed by the Efficacy and Safety of ZX008 (Fenfluramine Hydrochloride) Oral Solution as an Adjunctive Therapy in Children ≥ 2 Years Old and Young Adults With Dravet Syndrome

NCT02926898
View directory record Official record
Conditions
Dravet Syndrome
Interventions
ZX008 (Fenfluramine Hydrochloride), Matching Placebo
Drug
Lead sponsor
Zogenix International Limited, Inc., a subsidiary of Zogenix, Inc.
Industry
Eligibility
2 Years to 18 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
5
States / cities
San Francisco, California • Aurora, Colorado • Chicago, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2022 · Synced Sep 29, 2026, 2:13 PM EDT
Completed Phase 1 Interventional

A Safety and PK Study of Injectable Risperidone-SABER and the DosePro Delivery System in Patients With Schizophrenia

NCT01592110
View directory record Official record
Conditions
Schizophrenia
Interventions
Risperidone-SABER, ZX003:risperidone-SABER and the DosePro System
Drug · Other
Lead sponsor
Zogenix, Inc.
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Nov 9, 2022 · Synced Sep 29, 2026, 2:13 PM EDT
Completed Phase 3 Interventional Results available

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

NCT03936777
View directory record Official record
Conditions
Dravet Syndrome, Lennox Gastaut Syndrome, Epileptic Encephalopathy
Interventions
ZX008 (Fenfluramine Hydrochloride)
Drug
Lead sponsor
Zogenix, Inc.
Industry
Eligibility
2 Years and older
Enrollment
412 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
26
States / cities
Tucson, Arizona • Los Angeles, California • San Diego, California + 23 more
Source: ClinicalTrials.gov public record
Updated Nov 16, 2025 · Synced Sep 29, 2026, 2:13 PM EDT
Terminated Phase 3 Interventional Results available

A Study to Assess the Usability of the Embrace Seizure Detection Watch in Children and Young Adults With Dravet Syndrome

NCT03299842
View directory record Official record
Conditions
Dravet Syndrome
Interventions
ZX008 (Fenfluramine Hydrochloride)
Drug
Lead sponsor
Zogenix International Limited, Inc., a subsidiary of Zogenix, Inc.
Industry
Eligibility
2 Years to 35 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
2
States / cities
San Francisco, California • Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 12, 2023 · Synced Sep 29, 2026, 2:13 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Pharmacokinetics and Bioequivalence of Sumatriptan Delivered Via the Intraject System

NCT00614029
View directory record Official record
Conditions
Pharmacokinetics, Bioequivalence
Interventions
Sumatriptan (via Intraject System)
Device
Lead sponsor
Zogenix, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2006
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 9, 2022 · Synced Sep 29, 2026, 2:13 PM EDT
Completed Phase 3 Interventional Results available

Phase 3 Study of Hydrocodone Bitartrate Controlled-release Capsules in Subjects With Chronic Low Back Pain

NCT01081912
View directory record Official record
Conditions
Back Pain Lower Back Chronic
Interventions
Placebo, Hydrocodone bitartrate
Drug
Lead sponsor
Zogenix, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
510 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
51
States / cities
Phoenix, Arizona • Jonesboro, Arkansas • Anaheim, California + 47 more
Source: ClinicalTrials.gov public record
Updated Dec 7, 2022 · Synced Sep 29, 2026, 2:13 PM EDT
Completed Phase 4 Interventional Results available

Evaluation of Treatment Satisfaction and Preference for Sumavel DosePro in the Treatment of Migraine

NCT01016834
View directory record Official record
Conditions
Migraine
Interventions
Sumavel DosePro, Sumatriptan
Device · Drug
Lead sponsor
Zogenix, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
21
States / cities
Birmingham, Alabama • Phoenix, Arizona • Newport Beach, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 29, 2026, 2:13 PM EDT
Completed Phase 1 Interventional

A Study to Assess the Safety and Tolerability of ZX008 in Children and Young Adults With Dravet Syndrome or Lennox Gastaut Syndrome Currently Taking Cannabidiol

NCT03467113
View directory record Official record
Conditions
Dravet Syndrome, Lennox Gastaut Syndrome
Interventions
ZX008 0.2 to 0.8 mg/kg/day, Cannabidiol
Drug
Lead sponsor
Zogenix International Limited, Inc., a subsidiary of Zogenix, Inc.
Industry
Eligibility
2 Years to 18 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
Atlanta, Georgia • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Nov 30, 2023 · Synced Sep 29, 2026, 2:13 PM EDT
Completed No phase listed Observational

A Retrospective Study of Subjects With Thymidine Kinase 2 Deficiency

NCT05017818
View directory record Official record
Conditions
Thymidine Kinase 2 Deficiency
Interventions
Observational retrospective data
Other
Lead sponsor
Zogenix MDS, Inc.
Industry
Eligibility
Not listed
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
4
States / cities
Los Angeles, California • Indianapolis, Indiana • Akron, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2023 · Synced Sep 29, 2026, 2:13 PM EDT
Completed Phase 2 Interventional

A Study on the Usability of the Needle-free Intraject® System in Adult Patients During Acute Migraine Attack

NCT00530517
View directory record Official record
Conditions
Migraine Headache
Interventions
Intraject Sumatriptan
Device
Lead sponsor
Zogenix, Inc.
Industry
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
4
States / cities
Chicago, Illinois • Springfield, Missouri • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 9, 2022 · Synced Sep 29, 2026, 2:13 PM EDT
Completed Phase 1 Interventional

Safety and PK Trial With Injectable ZX003 (Risperidone-SABER®) Compared to Risperdal® Consta® in Stable Schizophrenia

NCT02411526
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
ZX003 (Risperidone-SABER®), Risperdal Consta, Oral Risperidone
Drug
Lead sponsor
Zogenix, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Long Beach, California
Source: ClinicalTrials.gov public record
Updated Oct 30, 2022 · Synced Sep 29, 2026, 2:13 PM EDT
Completed No phase listed Observational

A RETROspective Study of Patients With TK2d

NCT03701568
View directory record Official record
Conditions
Thymidine Kinase 2 (TK2)
Interventions
dC/dT
Drug
Lead sponsor
Zogenix MDS, Inc.
Industry
Eligibility
Not listed
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 31, 2023 · Synced Sep 29, 2026, 2:13 PM EDT
Completed Phase 3 Interventional Results available

An Open-Label Extension Trial to Assess the Long-Term Safety of ZX008 (Fenfluramine Hydrochloride HCl) Oral Solution in Children and Young Adults With Dravet Syndrome

NCT02823145
View directory record Official record
Conditions
Dravet Syndrome
Interventions
ZX008 (Fenfluramine Hydrochloride)
Drug
Lead sponsor
Zogenix International Limited, Inc., a subsidiary of Zogenix, Inc.
Industry
Eligibility
2 Years to 35 Years
Enrollment
375 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
24
States / cities
Phoenix, Arizona • Tucson, Arizona • Orange, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2025 · Synced Sep 29, 2026, 2:13 PM EDT
Completed Phase 3 Interventional Results available

Treatment of Sunflower Syndrome With ZX008 (Fenfluramine Hydrochloride) in Children and Young Adults (Ages 4-25).

NCT03790137
View directory record Official record
Conditions
Photosensitive Epilepsy
Interventions
Fenfluramine Hydrochloride
Drug
Lead sponsor
Elizabeth Anne Thiele
Other
Eligibility
4 Years to 25 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 5, 2024 · Synced Sep 29, 2026, 2:13 PM EDT
Active, not recruiting Phase 3 Interventional

A Phase 3 Study to Examine the Efficacy and Safety of ZX008 in Subjects With CDKL5 Deficiency Disorder.

NCT05064878
View directory record Official record
Conditions
CDKL5 Deficiency Disorder, Generalized Tonic Clonic Seizure, Epileptic Spasm, Refractory Seizures
Interventions
Fenfluramine, Placebo
Drug
Lead sponsor
Zogenix, Inc.
Industry
Eligibility
1 Year to 35 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
13
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 29, 2026, 2:13 PM EDT
Completed Phase 3 Interventional Results available

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

NCT03355209
View directory record Official record
Conditions
Lennox Gastaut Syndrome
Interventions
ZX008 0.2 or 0.8 mg/kg/day, Matching Placebo
Drug
Lead sponsor
Zogenix International Limited, Inc., a subsidiary of Zogenix, Inc.
Industry
Eligibility
2 Years to 35 Years
Enrollment
296 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
30
States / cities
Tucson, Arizona • Los Angeles, California • San Francisco, California + 26 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2025 · Synced Sep 29, 2026, 2:13 PM EDT