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ASP8825 - Study in Patients With Restless Legs Syndrome

Phase 2
Completed
Conditions
Restless Legs Syndrome
Interventions
Drug: ASP8825
Drug: Placebo
Registration Number
NCT00530530
Lead Sponsor
Astellas Pharma Inc
Brief Summary

To demonstrate the superiority of ASP8825 over placebo and the dose response in patients with restless legs syndrome

Detailed Description

Three doses of ASP8825 are compared to placebo in efficacy and safety point of view in patients with restless legs syndrome

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
474
Inclusion Criteria
  • Patients with RLS, based on the International RSL Study Group Diagnostic Criteria
  • History of RLS symptoms at least 15 nights in the prior month or, if on treatment, this frequency of symptoms before treatment was started
  • Documented RLS symptoms for at least 4 of the 7 consecutive evenings/ nights during the baseline study period
Exclusion Criteria
  • A sleep disorder (e.g., sleep apnea) that may significantly affect the assessment of RLS
  • A history of RLS symptom augmentation or end-of-dose rebound with previous dopamine agonist treatment
  • Neurologic disease or movement disorder (e.g., diabetic neuropathy, Parkinson's Disease, Multiple Sclerosis, dyskinesias and dystonias

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
3ASP8825Dose 3
1ASP8825Dose 1
4Placebo-
2ASP8825Dose 2
Primary Outcome Measures
NameTimeMethod
The change of the International Restless Legs Syndrome rating scale score12 weeks
Secondary Outcome Measures
NameTimeMethod
Investigator-related Clinical Global Impression of Improvement12 weeks
Patient- related Clinical Global Impression of Improvement12 weeks
The Pittsburgh sleep quality index12 weeks
The SF-36 Health Survey12 weeks
The Restless Legs Syndrome QOL Questionnaire12 weeks
The Medical Outcomes Study sleep scale12 weeks
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