Last updated: 11/07/2018 03:24:40

XP13512 vs. Placebo in Patients With Restless Legs Syndrome.

GSK study ID
111460
Clinicaltrials.gov ID
EudraCT ID
Not applicable
EU CT Number
Not applicable
Trial status
Completed
Completed
Overview
Eligibility
Locations
Study documents
Results summary
Plain language summaries
Additional information

Trial overview

Official title: A Randomized, Double-Blind, Placebo-Controlled Study to Assess the Efficacy and Safety of XP13512 in Patients With Restless Legs Syndrome.
Trial description: The primary objective of this trial is to assess the efficacy of XP13512 taken once daily compared to placebo for the treatment of patients suffering from Restless Legs Syndrome (RLS).
Primary purpose:
Treatment
Trial design:
Parallel Assignment
Masking:
Double (Participant, Investigator)
Allocation:
Randomized
Primary outcomes:

proportion of patients at the end of treatment who are

Timeframe: 12 Weeks

The change from baseline to the end of treatment in IRLS rating scale score

Timeframe: 12 WEEKS

Secondary outcomes:

Onset of efficacy

Timeframe: 12 Weeks

subjective measures of sleep

Timeframe: 12 Weeks

Interventions:
Drug: PLACEBO
Drug: XP13512 600MG
Drug: XP13512 1200MG
Enrollment:
325
Observational study model:
Not applicable
Primary completion date:
Not applicable
Time perspective:
Not applicable
Clinical publications:
D. Lee, R. Ziman, T. Perkins, S. Poceta, A. Walters, R. Barrett. A randomized, double-blind, placebo-controlled study to assess the efficacy and tolerability of gabapentin enacarbil in subjects with Restless Legs Syndrome. [J Clin Sleep Med]. 2011;7(3):282-92.
Daniel Canafax; Abhijeet Bhanegaonkar; Murtuza Bharmal; Michael Calloway. Validation of the post sleep questionnaire for assessing subjects with restless legs syndrome: results from two double-blind, multicenter, placebo-controlled clinical trials. [BMC Neurology]. 2011;11(48):
R Bogan, A Ellenbogen, P Becker, C Kushida, E Ball, W Ondo, C Caivano, S Kavanagh. Gabapentin Enacarbil in Subjects with Moderate-to-Severe Primary Restless Legs Syndrome with and without Severe Sleep Disturbance: An Integrated Analysis of Subjective and Novel Sleep Endpoints from Two Studies. J Parkinsonism RLS. 2013;3:31-40.
Samantha Warren, Sarah Kavanagh, Susan VanMeter, Ron Barrett. Comparison of Multiple Doses of Gabapentin Enacarbil versus Placebo in Subjects with Moderate-to-Severe Primary Restless Legs Syndrome: An Integrated Analysis of Three 12-Week Studies. [CNS Drugs]. 2012;26(9):773-780.
Medical condition
Restless Legs Syndrome
Product
gabapentin enacarbil
Collaborators
Not applicable
Study date(s)
August 2006 to December 2007
Type
Interventional
Phase
2/3

Participation criteria

Sex
Female & Male
Age
18+ years
Accepts healthy volunteers
none
  • Patients with primary RLS, based on the International RLS Study Diagnostic Criteria.
  • A sleep disorder (e.g., sleep apnea) that may significantly affect the assessment of RLS;
  • Neurologic disease or movement disorder (e.g., diabetic neuropathy, Parkinson's Disease,

Trial location(s)

No location data available.

Study documents

Scientific result summary
Available language(s): English

If you wish to request for full study report, please contact - [email protected]

Results overview

Refer to study documents

Recruitment status
Completed
Actual primary completion date
Not applicable
Actual study completion date
2007-20-12

Plain language summaries

Plain language summaries of clinical trial results for Phase 2-4 clinical trials that were initiated on or after January 2022 will be posted by GSK within one year following study completion.

Additional information about the trial

Additional information
Not applicable
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