Cenobamate Open-Label Extension Study for YKP3089C025
Public ClinicalTrials.gov record NCT03961568. 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
A Multicenter Open-Label Extension Study to Evaluate the Long-Term Safety of Cenobamate Adjunctive Therapy in Subjects With Primary Generalized Tonic-Clonic Seizures
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
52 Week Open-Label Safety Study of Cenobamate for Subjects who Complete YKP3089C025 (core study)
Study identification
- NCT ID
- NCT03961568
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 147 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 12 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
- Aug 13, 2019 (Actual)
- Primary completion
- Jun 10, 2026 (Actual)
- Completion
- Jun 10, 2026 (Actual)
- Last update posted
- Jun 26, 2026
2019 – 2026
United States locations
- U.S. sites
- 16
- U.S. states
- 13
- U.S. cities
- 16
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of California, San Diego (UCSD) | La Jolla | California | 92093 | — |
| The Neurology Research Group, LLC. | Miami | Florida | 33176 | — |
| University of South Florida | Tampa | Florida | 33606 | — |
| Hawaii Pacific Neuroscience | Honolulu | Hawaii | 96814 | — |
| Consultants in Epilepsy and Neurology, PLLC | Boise | Idaho | 83702 | — |
| Maine Medical Center | Scarborough | Maine | 04074 | — |
| Mid-Atlantic Epilepsy and Sleep Center | Bethesda | Maryland | 20817 | — |
| Minneapolis Clinic of Neurology | Golden Valley | Minnesota | 55422 | — |
| Mayo Clinic - Rochester | Rochester | Minnesota | 01056 | — |
| University of Missouri Medical School | Columbia | Missouri | 01074 | — |
| Northeast Regional Epilepsy Group | Hackensack | New Jersey | 07601 | — |
| Five Towns Neuroscience Research | Woodmere | New York | 11598 | — |
| Duke University | Durham | North Carolina | 27705 | — |
| University of Pennsylvania | Philadelphia | Pennsylvania | 19140 | — |
| Valley Medical Center | Renton | Washington | 98057 | — |
| MultiCare Rockwood Neurology Center | Spokane | Washington | 99204 | — |
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 29 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03961568, 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 Jun 26, 2026 · Synced Oct 24, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT03961568 live on ClinicalTrials.gov.