Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Terminated Phase 3 Interventional Results available

Long-term, Open-label Safety Extension Study of Retigabine/Ezogabine in Pediatric Subjects (>= 12 Years Old) With POS or LGS

ClinicalTrials.gov ID: NCT01668654

Public ClinicalTrials.gov record NCT01668654. 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.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 4:53 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

RTG113388, a Long-term, Open-label Safety Extension Study of Retigabine/Ezogabine in Pediatric Subjects With Partial Onset Seizures (>= 12 Years Old) and Subjects With Lennox-Gastaut Syndrome (>=12 Years Old)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to evaluate the long-term safety and tolerability of retigabine/ezogabine as an adjunctive treatment in subjects with either partial onset seizures (12 to \< 18 years old) or Lennox-Gastaut Syndrome (12 to \<30 years old) who have participated in a previous ("parent") study.

Study identification

NCT ID
NCT01668654
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 3
Lead sponsor
GlaxoSmithKline
Industry
Enrollment
4 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
12 Years to 29 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
Sep 4, 2012 (Actual)
Primary completion
Jun 18, 2013 (Actual)
Completion
Jun 18, 2013 (Actual)
Last update posted
Oct 30, 2020

2012 – 2013

United States locations

U.S. sites
4
U.S. states
4
U.S. cities
4
Facility City State ZIP Site status
GSK Investigational Site Los Angeles California 90027 —
GSK Investigational Site Wellington Florida 33414 —
GSK Investigational Site Memphis Tennessee 38105 —
GSK Investigational Site Dallas Texas 75230-2507 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01668654, 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 Oct 30, 2020 · Synced Oct 21, 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 NCT01668654 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →