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Completed Phase 2 Interventional Results available

A Study In Patients With Neuropathic Pain From Diabetic Peripheral Neuropathy (DPN)

ClinicalTrials.gov ID: NCT00643760

Public ClinicalTrials.gov record NCT00643760. 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, 11:24 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 PXN110448: A Dose-response Study of XP13512, Compared With Concurrent Placebo Control and LYRICA(Pregabalin), in Subjects With Neuropathic Pain Associated Withdiabetic Peripheral Neuropathy (DPN)

Brief summary

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

The purpose of this study is to determine whether gabapentin enacarbil (XP13512/GSK1838262), hereafter referred to as GEn is effective in the treatment of neuropathic pain associated with diabetic peripheral neuropathy(DPN)

Study identification

NCT ID
NCT00643760
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
XenoPort, Inc.
Industry
Enrollment
421 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 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
Mar 2008 (Type not available)
Primary completion
Feb 2009 (Actual)
Completion
Feb 2009 (Actual)
Last update posted
Jul 22, 2013

2008 – 2009

United States locations

U.S. sites
90
U.S. states
27
U.S. cities
84
Facility City State ZIP Site status
GSK Investigational Site Alabaster Alabama 35007 —
GSK Investigational Site Birmingham Alabama 35205 —
GSK Investigational Site Dothan Alabama 36303 —
GSK Investigational Site Hoover Alabama 35216 —
GSK Investigational Site Jasper Alabama 35501 —
GSK Investigational Site Muscle Shoals Alabama 35662 —
GSK Investigational Site Northport Alabama 35476 —
GSK Investigational Site Tuscaloosa Alabama 35406 —
GSK Investigational Site Mesa Arizona 85210 —
GSK Investigational Site Peoria Arizona 85381 - 4828 —
GSK Investigational Site Tempe Arizona 85282 —
GSK Investigational Site Hot Springs Arkansas 71901 —
GSK Investigational Site Little Rock Arkansas 72205 —
GSK Investigational Site Anaheim California 92801 —
GSK Investigational Site Concord California 94520 —
GSK Investigational Site Escondido California 92026 —
GSK Investigational Site Fresno California 93720 —
GSK Investigational Site Huntington Park California 90255 —
GSK Investigational Site La Jolla California 92037 —
GSK Investigational Site Los Gatos California 95032 —
GSK Investigational Site Mission Viejo California 92691 —
GSK Investigational Site Newport Beach California 92660 —
GSK Investigational Site Northridge California 91325 —
GSK Investigational Site Oxnard California 93030 —
GSK Investigational Site Riverside California 92506 —
GSK Investigational Site San Diego California 92117 —
GSK Investigational Site Santa Ana California 92705 —
GSK Investigational Site Santa Monica California 90404 —
GSK Investigational Site Temecula California 92591 —
GSK Investigational Site Walnut Creek California 94598 —
GSK Investigational Site Westlake Village California 91361 —
GSK Investigational Site Brandon Florida 33511 —
GSK Investigational Site Clearwater Florida 33765 —
GSK Investigational Site Fort Lauderdale Florida 33308 —
GSK Investigational Site Fort Myers Florida 33916 —
GSK Investigational Site Hallandale Florida 33009 —
GSK Investigational Site Hollywood Florida 33021 —
GSK Investigational Site New Port Richey Florida 34652 —
GSK Investigational Site Ocala Florida 34471 —
GSK Investigational Site Ormond Beach Florida 32174 —
GSK Investigational Site Pembroke Pines Florida 33024 —
GSK Investigational Site St. Petersburg Florida 33702 —
GSK Investigational Site Tallahassee Florida 32308 —
GSK Investigational Site Atlanta Georgia 30308 —
GSK Investigational Site Decatur Georgia 30033 —
GSK Investigational Site Marietta Georgia 30060 —
GSK Investigational Site Roswell Georgia 30076 —
GSK Investigational Site Chicago Illinois 60637 —
GSK Investigational Site Libertyville Illinois 60048 —
GSK Investigational Site Evansville Indiana 47713 —
GSK Investigational Site Evansville Indiana 47714 —
GSK Investigational Site Wichita Kansas 67207 —
GSK Investigational Site Rockville Maryland 20852 —
GSK Investigational Site Wellesley Hills Massachusetts 02481 —
GSK Investigational Site Kalamazoo Michigan 49048 —
GSK Investigational Site Olive Branch Mississippi 38654 —
GSK Investigational Site Kansas City Missouri 64111 —
GSK Investigational Site St Louis Missouri 63110 —
GSK Investigational Site St Louis Missouri 63117 —
GSK Investigational Site Las Vegas Nevada 89016 —
GSK Investigational Site Las Vegas Nevada 89119 —
GSK Investigational Site Albuquerque New Mexico 87106 —
GSK Investigational Site Albuquerque New Mexico 87108 —
GSK Investigational Site Flushing New York 11365 —
GSK Investigational Site New York New York 10128 —
GSK Investigational Site North Massapequa New York 11758 —
GSK Investigational Site Rochester New York 14609 —
GSK Investigational Site Staten Island New York 10301 —
GSK Investigational Site Greensboro North Carolina 27408 —
GSK Investigational Site Raleigh North Carolina 27607 —
GSK Investigational Site Salisbury North Carolina 28144 —
GSK Investigational Site Toledo Ohio 43623 —
GSK Investigational Site Norman Oklahoma 73071 —
GSK Investigational Site Eugene Oregon 97404 —
GSK Investigational Site Medford Oregon 97501 —
GSK Investigational Site Levittown Pennsylvania 19056 —
GSK Investigational Site Pittsburgh Pennsylvania 15243 —
GSK Investigational Site Greer South Carolina 29651 —
GSK Investigational Site Mt. Pleasant South Carolina 29464 —
GSK Investigational Site Kingsport Tennessee 37660 —
GSK Investigational Site Houston Texas 77030 —
GSK Investigational Site San Antonio Texas 78229 —
GSK Investigational Site San Antonio Texas 78238 —
GSK Investigational Site Alexandria Virginia 22311 —
GSK Investigational Site Richmond Virginia 23249 —
GSK Investigational Site Weber City Virginia 24290 —
GSK Investigational Site Spokane Washington 99202 —
GSK Investigational Site Spokane Washington 99208 —
GSK Investigational Site Tacoma Washington 98405 —
GSK Investigational Site Vancouver Washington 98664 —

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 NCT00643760, 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 Jul 22, 2013 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00643760 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →