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12-week Polysomnography Study of Ropinirole Controlled Release for Restless Legs Syndrome ((CR-RLS))

This study has been completed.
Information provided by (Responsible Party):
GlaxoSmithKline Identifier:
First received: September 7, 2006
Last updated: April 15, 2015
Last verified: April 2015
The purpose of this study is to assess the efficacy and safety of ropinirole CR-RLS in the treatment of patients with Restless Legs Syndrome and associated sleep disturbance and period limb movements during sleep.

Condition Intervention Phase
Restless Legs Syndrome
Restless Legs Syndrome (RLS)
Drug: ropinirole CR-RLS
Phase 4

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double-Blind
Primary Purpose: Treatment
Official Title: A 12-Week, Multi-Center, Double-Blind, Placebo-Controlled, Parallel Group, Flexible Dose Polysomnography Study of Ropinirole Controlled Release for Restless Legs Syndrome (RLS) in RLS Patients With Sleep Disturbance and Periodic Limb Movements (PLM) During Sleep

Resource links provided by NLM:

Further study details as provided by GlaxoSmithKline:

Primary Outcome Measures:
  • Change from baseline in the Periodic Limb Movements in Sleep associated with Arousal/hour of sleep (PLMAI) at Week 12 Change from baseline in sleep Latency at Week 12. [ Time Frame: 12 Weeks ]

Secondary Outcome Measures:
  • Assess safety, tolerability, polysomnography efficacy measures, and patient reported outcomes. [ Time Frame: 12 Weeks ]

Enrollment: 39
Study Start Date: October 2006
Study Completion Date: June 2007
Primary Completion Date: June 2007 (Final data collection date for primary outcome measure)

Ages Eligible for Study:   18 Years to 79 Years   (Adult, Senior)
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion criteria:

  • provided written informed consent.
  • Diagnosed with primary RLS using the International RLS Study Group Diagnostic Criteria with a total score of 20 or greater on the International RLS (IRLS) Rating Scale and significant sleep disturbance indicated on Item 4 of the IRLS rating scale.
  • Have evening and nighttime symptoms of RLS, significant sleep impairment due to RLS symptoms, and symptoms requiring treatment prior to bedtime, but no earlier than 5:00PM.
  • Sleep efficiency <85% OR Latency to persistent sleep >20 minutes.

Exclusion criteria:

  • Secondary RLS
  • Primary sleep disorder
  • Have any medical conditions that may impact efficacy assessments or that may present a safety concern.
  • Pregnant or lactating or women of child-bearing potential who are not practicing an acceptable method of birth control.
  • Use of any prohibited medication.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00373542

  Show 38 Study Locations
Sponsors and Collaborators
Study Director: GSK Clinical Trials GlaxoSmithKline
  More Information

Responsible Party: GlaxoSmithKline Identifier: NCT00373542     History of Changes
Other Study ID Numbers: RRL103660 
Study First Received: September 7, 2006
Last Updated: April 15, 2015
Health Authority: United States: Food and Drug Administration

Keywords provided by GlaxoSmithKline:
Restless Legs Syndrome

Additional relevant MeSH terms:
Psychomotor Agitation
Restless Legs Syndrome
Pathologic Processes
Neurologic Manifestations
Nervous System Diseases
Psychomotor Disorders
Neurobehavioral Manifestations
Signs and Symptoms
Sleep Disorders, Intrinsic
Sleep Wake Disorders
Mental Disorders
Antiparkinson Agents
Anti-Dyskinesia Agents
Dopamine Agonists
Dopamine Agents
Neurotransmitter Agents
Molecular Mechanisms of Pharmacological Action
Physiological Effects of Drugs processed this record on October 21, 2016