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Dose-Response and Pharmacokinetics of Gabapentin Enacarbil (GEn [XP13512 / GSK1838262]) in Restless Legs Syndrome

NCT01332305 · Status: COMPLETED · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 217

Last updated 2013-07-22

Study results available
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Summary

The objective of the study was to generate the data necessary to determine the gabapentin exposure produced by 4 dose levels of GEn (600 mg, 1200 mg, 1800 mg, and 2400 mg) or placebo, and the corresponding relief of symptoms in subjects with Restless Legs Syndrome (RLS).

Conditions

  • Restless Legs Syndrome

Interventions

DRUG

GEn (XP13512/GSK1838262)

Double-Blind Treatment Phase: 600 mg GEn (XP13512) orally, once daily for 3 days followed by 600 or 1200 mg on days 4-6, followed by 600 or 1200 or 1800 mg on days 7-9, followed by 600 or 1200 or 1800 or 2400 mg on days 10-84. Double-Blind Taper Phase: 600 or 1200 or 1800 mg GEn (XP13512) orally, once daily on days 85-86, followed by 600 mg or 1200 mg on days 87-88, followed by 600 mg on days 89-91

DRUG

Placebo

Placebo orally once daily

Sponsors & Collaborators

  • XenoPort, Inc.

    lead INDUSTRY

Principal Investigators

  • GSK Clinical Trials · GlaxoSmithKline

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2007-01-31
Primary Completion
2008-01-31
Completion
2008-01-31

Countries

  • United States

Study Locations

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Entities

Drugs

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01332305 on ClinicalTrials.gov