An Open-Label Extension of the Study XEN496 (Ezogabine) in Children With KCNQ2-DEE
Public ClinicalTrials.gov record NCT04912856. 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 of the Study XEN496 in Children With KCNQ2 Developmental and Epileptic Encephalopathy
Study identification
- NCT ID
- NCT04912856
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Xenon Pharmaceuticals Inc.
- Industry
- Enrollment
- 8 participants
Conditions and interventions
Conditions
Interventions
- XEN496 Drug
Drug
Eligibility (public fields only)
- Age range
- 1 Month to 6 Years
- 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 16, 2021
- Primary completion
- Nov 16, 2023
- Completion
- Nov 16, 2023
- Last update posted
- Feb 13, 2025
2021 – 2023
United States locations
- U.S. sites
- 2
- U.S. states
- 2
- U.S. cities
- 2
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Children's Hospital of Philadelphia | Philadelphia | Pennsylvania | 19104 | — |
| MultiCare Health System - Mary Bridge Pediatrics - Tacoma | 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 2 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04912856, 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 Feb 13, 2025 · Synced Jul 22, 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 protocol, eligibility criteria, and contact information for NCT04912856 live on ClinicalTrials.gov.