Survey on Long-Term Use of BI-Sifrol® Tablets in Patients With Restless Legs Syndrome

This study has been completed.
Information provided by (Responsible Party):
Boehringer Ingelheim Identifier:
First received: August 2, 2010
Last updated: January 15, 2014
Last verified: January 2014

The survey is conducted to investigate the safety and efficacy of long-term use of BI-Sifrol Tablets in Restless Legs Syndrome (RLS) patients with or without renal dysfunction in routine medical practice.

Restless Legs Syndrome

Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Prospective
Official Title: Survey on Long-Term Use of BI-Sifrol® Tablets in Patients With Restless Legs Syndrome

Resource links provided by NLM:

Further study details as provided by Boehringer Ingelheim:

Primary Outcome Measures:
  • Frequency of patients with Adverse Drug Reaction [ Time Frame: 12 Months ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Change from baseline in total score of IRLS (International Restless Legs Syndrome Study Group rating scale) at the end of observation [ Time Frame: 12 Monrhs ] [ Designated as safety issue: No ]

Enrollment: 571
Study Start Date: August 2010
Study Completion Date: August 2013
Primary Completion Date: August 2013 (Final data collection date for primary outcome measure)
Patient with Restless Legs Syndrome


Ages Eligible for Study:   15 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population



Inclusion criteria:

Patient with Restless Legs Syndrome

Exclusion criteria:


  Contacts and Locations
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Please refer to this study by its identifier: NCT01174459

  Show 159 Study Locations
Sponsors and Collaborators
Boehringer Ingelheim
Study Chair: Boehringer Ingelheim Boehringer Ingelheim
  More Information

No publications provided

Responsible Party: Boehringer Ingelheim Identifier: NCT01174459     History of Changes
Other Study ID Numbers: 248.678
Study First Received: August 2, 2010
Last Updated: January 15, 2014
Health Authority: Japan: Ministry of Health, Labor and Welfare

Additional relevant MeSH terms:
Restless Legs Syndrome
Psychomotor Agitation
Nervous System Diseases
Sleep Disorders, Intrinsic
Sleep Disorders
Mental Disorders
Neurologic Manifestations
Psychomotor Disorders
Neurobehavioral Manifestations
Signs and Symptoms processed this record on August 19, 2014