12-week Polysomnography Study of Ropinirole Controlled Release for Restless Legs Syndrome ((CR-RLS))
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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 or disease
Restless Legs Syndrome (RLS)Restless Legs Syndrome
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
Study Start Date
Primary Completion Date
Study Completion Date
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Ages Eligible for Study:
18 Years to 79 Years (Adult, Senior)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
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.
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.