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Pregabalin (Lyrica) for the Treatment of Restless Legs Syndrome

Pregabalin (Lyrica) for the Treatment of Restless Legs Syndrome

Status
Withdrawn
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00584246
Enrollment
0
Registered
2008-01-02
Start date
2007-11-30
Completion date
2008-05-31
Last updated
2021-11-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Restless Legs Syndrome

Keywords

Restless legs syndrome, RLS, Pregabalin, Lyrica

Brief summary

This study will evaluate the safety and efficacy of Pregabalin (Lyrica) in treating patients with Restless Legs Syndrome (RLS) in a double-blind, placebo-controlled trial.

Interventions

50 - 150 mg po qhs for 2 months

DRUGPlacebo

50 - 150 mg po qhs for 2 months

Sponsors

University of South Florida
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 80 Years
Healthy volunteers
No

Inclusion criteria

1. Outpatients with RLS diagnosed by a movement disorder specialist/ Sleep specialist . 2. Patients must report some degree of pain which occurs on a regular basis. 3. Age 18 years to 80 years. 4. Women of child-bearing potential must use a reliable method of contraception and must provide a negative pregnancy test at entry into the study. 5. Stable doses of all medications for 30 days prior to study entry and for the duration of the study. 6. Willing and able to provide informed consent. 7. Willing to comply with protocol. -

Exclusion criteria

1. Any illness that in the investigator's opinion preclude participation in this study. 2. Pregnancy or lactation. 3. Concurrent participation in another clinical study. 4. Current treatment with a dopamine agonist (unless stopped at least 2 weeks prior to baseline). 5. Dementia or other psychiatric illness that prevents the patient from giving informed consent (Mini Mental Status Exam score less than 24). 6. Legal incapacity or limited legal capacity. 7. Presence of severe renal disease BUN 50% greater than normal, Patients must have evidence from their PCP or Urologists of normal PSA and urodynamic tests within the last 12 month. Normal BUN levels should be within a range of 5 to 20 mg/ d L and creatinine between .7 and 1.4 mg/ d L. Labs will be requested from PCP. 8. Presence of major hepatic impairment (Cirrhosis, Viral Hepatitis, Nonalcoholic Steatohepatitis, Wilson's disease, or Hemochromatosis). LFT must show non-clinically significant results (Albumin range 3.0-6.0; Alkaline phosphatase range 40-150; ALT range 0-55; AST range 5-34). 9. Presence of severe daytime sleepiness. 10. Present complaints of somnolence, dizziness, blurred vision, bleeding tendencies, cardiac abnormalities. 11. Patients taking dopamine agonists for any condition other than RLS. -

Design outcomes

Primary

MeasureTime frame
International RLS Study Group Severity Scale (IRLS)2 months

Secondary

MeasureTime frame
Clinical Global Impression (CGI)2 months

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026