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Assess Efficacy and Safety of the Dopamine Agonist Pramipexole Versus Levodopa / Benserazide (Madopar® DR) in Patients With Restless Legs Syndrome

Boehringer Ingelheim logo

Boehringer Ingelheim

Status and phase

Completed
Phase 3

Conditions

Restless Legs Syndrome

Treatments

Drug: levodopa in combination with benserazide
Drug: pramipexole

Study type

Interventional

Funder types

Industry

Identifiers

NCT00144209
248.518

Details and patient eligibility

About

The primary objective of this study is to determine that pramipexole (Sifrol) 0.25 mg to 0.75 mg daily is not inferior to levodopa 100 mg to 300 mg (in combination with benserazide 25mg to 75mg = Madopar DR) daily in the treatment of patients with idiopathic restless legs syndrome fulfilling the International Diagnostic Criteria. The efficacy parameters include an objective measure of the leg movements during the time spent in bed, and a quantitative clinical assessment of the severity of RLS, in the form of the RLS-score. In addition, the efficacy evaluations aim at comparing the impact of pramipexole and levodopa on outcome measures such as quality of life and sleep.

Enrollment

58 patients

Sex

All

Ages

25 to 85 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Patients diagnosed with idiopathic restless legs syndrome fulfilling the International Diagnostic Criteria 1 .
  • Male or female patients, aged 25 to 85 years.
  • Patients presenting RLS symptoms almost every day, as judged by the investigator and with more than 5 PLM/h during bedtime in each of three screening actigraphy nights.
  • Patients must have given written informed consent in accordance with ICH-GCP and local legislation prior to participation in the study.

Exclusion criteria

  • Patients with significant diseases other than restless legs syndrome will be excluded. A significant disease is defined as a disease that, which in the opinion of the investigator may put the patient at a risk because of the participation in the study, that may influence the result of the study or the patient's ability to participate or that is expected to relevantly reduce life expectancy.
  • Patients with known hypersensitivity or contraindications to pramipexole, levodopa or benserazide or any other substances present in the study medications.
  • Patients with iron-deficiency
  • Patients with disabilities or other incapacities that preclude regular attendance at clinic for the study visits, and patients on a shift-work-schedule or who are otherwise unable to follow a regular sleep-wake cycle.
  • Patients who have been previously treated with pramipexole or levodopa.
  • Pregnant or nursing women or women of childbearing age who are at risk of pregnancy and are not willing to use adequate contraceptive methods (hormonal contraception or intrauterine devices) during the study period.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Crossover Assignment

Masking

Double Blind

Trial contacts and locations

6

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Data sourced from clinicaltrials.gov

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