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NCT01668654 · ClinicalTrials.gov registry record · Phase 3

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

A Phase 3 study, sponsored by GlaxoSmithKline.

Terminated
Registry status
Phase 3
Development phase
4
Enrollment target

NCT01668654: Clinical Trial Phase 3 study, sponsored by GlaxoSmithKline.

NCT01668654 is a Phase 3 study that was terminated before completion, run by GlaxoSmithKline. The registered enrollment target is 4 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (99% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT01668654, a Phase 3 study, was terminated before completion, sponsored by GlaxoSmithKline.

TERMINATED
Registry status
Phase 3
Development phase
4 participants
Enrollment target

Study Summary

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.

Primary Outcome

An AE is defined as any untoward medical occurrence in a participant, temporally associated with the use of the study medication, whether or not considered related to the study medication. A SAE is defined as any untoward medical occurrence that, at any dose, results in death, is life threatening, requires hospitalization or prolongation of existing hospitalization, results in disability or incapacity, or is a congenital anomaly or birth defect. Medical or scientific judgment was exercised in de

Interventions

  • DRUG retigabine/ezogabine

Trial Details

FieldValue
Enrollment Target 4 participants
Start Date 2012-09-04
Est. Completion 2013-06-18
Phase Phase 3
GlaxoSmithKline

1,345 total trials

Why NCT01668654 stopped before completion

NCT01668654 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 4 participants, a relatively small participant target, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (99% lower).

The record links to 0 conditions, and to 1 intervention - of which retigabine/ezogabine is the first listed.

NCT01668654 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01668654 about?

NCT01668654 is a clinical study titled "Long-term, Open-label Safety Extension Study of Retigabine/Ezogabine in Pediatric Subjects (>= 12 Years Old) With POS or LGS". 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") st...

What is the current status of trial NCT01668654?

This trial is currently terminated. It is a Phase 3 study. The enrollment target is 4 participants. The study started on 2012-09-04. Estimated completion is 2013-06-18.

What interventions are being tested in trial NCT01668654?

The interventions under investigation include: retigabine/ezogabine (DRUG).

Who is sponsoring clinical trial NCT01668654?

This trial is sponsored by GlaxoSmithKline, which has 1,345 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT01668654's enrollment target sits among peer trials

4 1998th of 2000 higher than 2 of 2,000 other Phase 3 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 3 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT01668654, the US trial registry maintained by the National Library of Medicine. NCT01668654 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.