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      Ropinirole for the treatment of restless legs syndrome

      research-article
      Neuropsychiatric Disease and Treatment
      Dove Medical Press
      ropinirole, restless legs syndrome, RLS, periodic limb movements

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          There is no author summary for this article yet. Authors can add summaries to their articles on ScienceOpen to make them more accessible to a non-specialist audience.

          Abstract

          Dopaminergic agents, anticonvulsants, benzodiazepines, opiates, and iron supplementation comprise the classes of medications commonly used to treat restless legs syndrome (RLS), which is a disorder that is estimated to affect about 1 in 10 individuals worldwide and impacts an affected patient’s sleep, mood, daytime function, and quality of life. RLS is characterized by an urge to move the legs that is worse at bedtime and at rest; the symptoms are temporarily relieved by leg movement. It is frequently accompanied by periodic limb movements during sleep (PLMS), which may independently disrupt sleep and may cause daytime drowsiness. Dopaminergic agents are considered to be first-line therapy in the management of RLS as well as PLMS. Ropinirole (Requip ®, GlaxoSmithKline) is a dopamine agonist that was the first medication approved by the US Food and Drug Administration (FDA) for the treatment of moderate-to-severe primary RLS. Based on several large-scale clinical trials and open-label clinical series, this medication has been demonstrated to be effective and safe in treating the motor symptoms of RLS and improving sleep quality.

          Most cited references92

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          Restless legs syndrome: diagnostic criteria, special considerations, and epidemiology. A report from the restless legs syndrome diagnosis and epidemiology workshop at the National Institutes of Health.

          Restless legs syndrome is a common yet frequently undiagnosed sensorimotor disorder. In 1995, the International Restless Legs Syndrome Study Group developed standardized criteria for the diagnosis of restless legs syndrome. Since that time, additional scientific scrutiny and clinical experience have led to a better understanding of the condition. Modification of the criteria is now necessary to better reflect that increased body of knowledge, as well as to clarify slight confusion with the wording of the original criteria. The restless legs syndrome diagnostic criteria and epidemiology workshop at the National Institutes of Health. Members of the International Restless Legs Syndrome Study Group and authorities on epidemiology and the design of questionnaires and scales. To modify the current criteria for the diagnosis of restless legs syndrome, to develop new criteria for the diagnosis of restless legs syndrome in the cognitively impaired elderly and in children, to create standardized criteria for the identification of augmentation, and to establish consistent questions for use in epidemiology studies. The essential diagnostic criteria for restless legs syndrome were developed and approved by workshop participants and the executive committee of the International Restless Legs Syndrome Study Group. Criteria were also developed and approved for the additional aforementioned groups.
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            Validation of the International Restless Legs Syndrome Study Group rating scale for restless legs syndrome.

            (2003)
            There is a need for an easily administered instrument which can be applied to all patients with restless legs syndrome (RLS) to measure disease severity for clinical assessment, research, or therapeutic trials. The pathophysiology of RLS is not clear and no objective measure so far devised can apply to all patients or accurately reflect severity. Moreover, RLS is primarily a subjective disorder. Therefore, a subjective scale is at present the optimal instrument to meet this need. Twenty centers from six countries participated in an initial reliability and validation study of a rating scale for the severity of RLS designed by the International RLS study group (IRLSSG). A ten-question scale was developed on the basis of repeated expert evaluation of potential items. This scale, the IRLSSG rating scale (IRLS), was administered to 196 RLS patients, most on some medication, and 209 control subjects. The IRLS was found to have high levels of internal consistency, inter-examiner reliability, test-retest reliability over a 2-4 week period, and convergent validity. It also demonstrated criterion validity when tested against the current criterion of a clinical global impression and readily discriminated patient from control groups. The scale was dominated by a single severity factor that explained at least 59% of the pooled item variance. This scale meets performance criteria for a brief, patient completed instrument that can be used to assess RLS severity for purposes of clinical assessment, research, or therapeutic trials. It supports a finding that RLS is a relatively uniform disorder in which the severity of the basic symptoms is strongly related to their impact on the patient's life. In future studies, the IRLS should be tested against objective measures of RLS severity and its sensitivity should be studied as RLS severity is systematically manipulated by therapeutic interventions.
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              Clinical, polysomnographic, and genetic characteristics of restless legs syndrome: a study of 133 patients diagnosed with new standard criteria.

              One hundred thirty-three cases of restless legs syndrome (RLS), diagnosed with criteria recently formulated by an international study group, were studied by questionnaire and with all-night polysomnographic recordings. Results show that RLS starts at a mean age of 27.2 years and before age 20 in 38.3% of patients. Symptoms often appear in one leg only and also involve upper limbs in about half of all cases. Most patients (94%) report sleep-onset insomnia or numerous nocturnal awakenings due to RLS symptoms. A strong relationship was found between these complaints and polysomnographic findings; increasing sleep latency and number of awakenings and decreasing sleep efficiency were associated with worsening symptoms. Periodic leg movements in sleep (index > 5 movements/h sleep) were found in 80.2% of patients. This study shows that this percentage is increased when 2 recording nights are considered (most severe score). Eighty patients of 127 (63%) reported the presence of RLS in at least one of their first-degree relatives. In these families, 221 of 568 first-degree relatives (39%) were reported by the patients to be affected with RLS.
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                Author and article information

                Journal
                Neuropsychiatr Dis Treat
                Neuropsychiatric Disease and Treatment
                Neuropsychiatric Disease and Treatment
                Dove Medical Press
                1176-6328
                1178-2021
                December 2006
                : 2
                : 4
                : 407-419
                Affiliations
                Stanford University Center of Excellence for Sleep Disorders, Stanford, CA, USA
                Author notes
                Correspondence: Clete A Kushida, Stanford University Center of Excellence for Sleep Disorders, 401 Quarry Road, Suite 3301, Stanford CA 94305-5730, USA, Tel +1 650 725 1915, Fax +1 650 725 8910, Email clete@ 123456stanford.edu
                Article
                ndt-2-407
                2671939
                19412490
                bc0913df-96d4-42d1-8341-0d915a40addc
                © 2006 Dove Medical Press Limited. All rights reserved
                History
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                Neurology
                ropinirole,rls,restless legs syndrome,periodic limb movements
                Neurology
                ropinirole, rls, restless legs syndrome, periodic limb movements

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