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Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Dose-Optimization, Adjunctive Treatment Study of Ezogabine/Retigabine Immediate Release in Partial-onset Seizures

ClinicalTrials.gov ID: NCT01721317

Public ClinicalTrials.gov record NCT01721317. 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 Jul 23, 2026, 3:38 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

Study PTG116878, a Dose-Optimization Study of Ezogabine/Retigabine Immediate Release Tablets Versus Placebo in the Adjunctive Treatment of Subjects With Partial-Onset Seizures

Study identification

NCT ID
NCT01721317
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 4
Lead sponsor
GlaxoSmithKline
Industry
Enrollment
6 participants

Conditions and interventions

Conditions

Interventions

  • Ezogabine/Retigabine IR Drug
  • Placebo Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Dec 18, 2012
Primary completion
Jun 19, 2013
Completion
Jun 19, 2013
Last update posted
Dec 29, 2020

2012 – 2013

United States locations

U.S. sites
9
U.S. states
7
U.S. cities
9
Facility City State ZIP Site status
GSK Investigational Site Fresno California 93710
GSK Investigational Site Santa Monica California 90404
GSK Investigational Site Colorado Springs Colorado 80907
GSK Investigational Site Port Charlotte Florida 33952
GSK Investigational Site Bethesda Maryland 20817
GSK Investigational Site Golden Valley Minnesota 55422
GSK Investigational Site Medford Oregon 97504
GSK Investigational Site Arlington Texas 76017
GSK Investigational Site Kingwood Texas 77339

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 NCT01721317, 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 Dec 29, 2020 · Synced Jul 23, 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 NCT01721317 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →