- ICH GCP
- US-Register für klinische Studien
- Klinische Studie NCT01980433
Inhibitory rTMS in Dystonic Wilson Patients (WILSTIM)
Study of Writing Improvement in Patients With Wilson Disease and Dystonia After One Session of Inhibitory Repetitive Transcranial Magnetic Stimulation
Wilson disease is a genetic disorder resulting in copper accumulation in liver, brain and eye. The neurologic complications include dystonic syndrome, which is a prolonged and excessive muscle activation responsible for abnormal postures. Hand dystonia prevents daily life activities such as writing, which is particularly disabling, since writing is the only mean of communication in these patients with significant slurred speech. Treatment is limited and only partially effective.
Low frequency (<or=1Hz) repetitive transcranial magnetic stimulation (rTMS) has shown inhibiting properties when applied over the cortex. Since dystonia has been correlated to hyperactivation of the neurons of the somatosensory cortex (SSC), we hypothesize that one single 20-minute session of 1 Hz rTMS applied on left SSC will improve writing of the right dystonic hand, assessed immediately at the end of the session.
Studienübersicht
Status
Detaillierte Beschreibung
This study investigates the handwriting performance of an homogeneous cohort of patients with Wilson disease and right handed dystonia, after one single inhibitory repetitive transcranial magnetic stimulation (rTMS). Fifteen patients with focal right hand dystonia will receive randomly either active or sham rTMS (1 Hz) to the left somatosensory cortex (SSC) in one single 20 minutes session. Handwriting performance will be measured immediately after this unique session (Visual analogic scale of subjective discomfort in writing, DPRE and WCRS scales, pen pressure and pen velocity measured on touchpad), compared to scores obtained 24 hours before the session. Three days later, the patient will receive the other session (sham rTMS or active rTMS) and the same parameters will be evaluated.
This is a single-center, randomized, crossover, prospective, clinical and double-blind study (the rTMS session is performed by the neurophysiologist, but the patient and the neurologist who will perform the handwriting evaluation are blind to the session).
Studientyp
Einschreibung (Tatsächlich)
Phase
- Unzutreffend
Kontakte und Standorte
Studienorte
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Ile De France
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Paris, Ile De France, Frankreich, 75010
- Hospital Lariboisière
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-
Teilnahmekriterien
Zulassungskriterien
Studienberechtigtes Alter
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Beschreibung
Inclusion Criteria:
- Wilson disease with focal right hand dystonia
- No modification of medical treatment for 6 months
- No botulinum toxin administration within the past four months
- Right handed
- Focal right hand dystonia
- Cerebral Magnetic Resonance performed the last 6 months with no other lesion than met in Wilson disease
- Over 18
- Insurance policy holder
- Informed consent
Exclusion Criteria:
- Pregnant woman
- Guardianship procedure
- Seizure history
- Other cerebral lesions on cerebral MRI than met in Wilson Disease
- Unable to stay quiet for 30 minutes
- Handwriting impossible
- Contra-indications to repetitive Transcranial Magnetic Stimulation
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
- Hauptzweck: Behandlung
- Zuteilung: Zufällig
- Interventionsmodell: Crossover-Aufgabe
- Maskierung: Verdreifachen
Waffen und Interventionen
Teilnehmergruppe / Arm |
Intervention / Behandlung |
---|---|
Experimental: Active rTMS
Repetitive Transcranial Magnetic stimulation: 1 Hz rTMS, delivered to left somatosensory cortex during rest.
Intervention is delivered during 20 minutes in one single session.
|
Inhibitory 1 Hz rTMS, delivered to left somatosensory cortex during rest.
Intervention is delivered during 20 minutes in one single session.
to verify the absence of infraclinical seizures
Writer's cramp rating scale
handwriting in development and being evaluated by the NRC Wilson
|
Schein-Komparator: Sham rTMS
Placebo Transcranial Magnetic stimulation delivered to left somatosensory cortex during rest.
Intervention is delivered during 20 minutes in one single session.
|
Inhibitory 1 Hz rTMS, delivered to left somatosensory cortex during rest.
Intervention is delivered during 20 minutes in one single session.
to verify the absence of infraclinical seizures
Writer's cramp rating scale
handwriting in development and being evaluated by the NRC Wilson
|
Was misst die Studie?
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
---|---|---|
immediate and significant improvement in writing
Zeitfenster: up to 1 week
|
Improvement of handwriting performance immediately after one single 20 minutes session of inhibitory (1 Hz) repetitive transcranial magnetic stimulation over the left somatosensory cortex. quantitative test score of writing WCRS Active or sham stimulation will be randomly assigned to the patient and the other session will be performed 3 days later. |
up to 1 week
|
Sekundäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
---|---|---|
significant improvement in writing
Zeitfenster: up to 1 week
|
improvement of other quantitative test scores of writing (VAS subjective discomfort writing, DPRE scales and parameters measured on touchpad) after a single session of 1 Hz rTMS inhibitory to the left CSS , compared to the scores achieved in the 24 hours before the session of rTMS. Active or sham stimulation will be randomly assigned to the patient and the other session will be performed 3 days later. |
up to 1 week
|
improvement of dystonia on the scale WDRS
Zeitfenster: up to 1 week
|
Assessing the improvement of dystonia on the scale WDRS after a single session of 1 Hz rTMS inhibitory to the left CSS, compared to the scores achieved in the 24 hours before the session of rTMS. Active or sham stimulation will be randomly assigned to the patient and the other session will be performed 3 days later. |
up to 1 week
|
correlation between the scores and the other parameters of disease severity
Zeitfenster: up to 1 week
|
Assess whether age, disease duration and the presence of cortical atrophy are inversely correlated with the evolution of scores.
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up to 1 week
|
Mitarbeiter und Ermittler
Ermittler
- Studienleiter: Nathalie KUBIS, MD, PhD, Physiology Department, Lariboisière Hospital
- Hauptermittler: Jean-Marc TROCELLO, MD, Neurology, Lariboisière Hospital
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn (Tatsächlich)
Primärer Abschluss (Tatsächlich)
Studienabschluss (Tatsächlich)
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Schätzen)
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Tatsächlich)
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Schlüsselwörter
Zusätzliche relevante MeSH-Bedingungen
- Erkrankungen des Verdauungssystems
- Stoffwechselerkrankungen
- Erkrankungen des Gehirns
- Erkrankungen des zentralen Nervensystems
- Erkrankungen des Nervensystems
- Leberkrankheiten
- Genetische Krankheiten, angeboren
- Erkrankungen der Basalganglien
- Neurodegenerative Krankheiten
- Stoffwechsel, angeborene Fehler
- Heredodegenerative Erkrankungen, Nervensystem
- Gehirnerkrankungen, Stoffwechsel
- Gehirnerkrankungen, Stoffwechselerkrankungen, angeboren
- Metallstoffwechsel, angeborene Fehler
- Bewegungsstörungen
- Hepatolentikuläre Degeneration
Andere Studien-ID-Nummern
- P121105
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