Status:

COMPLETED

Neurophysiology of Task-Specificity of Focal Hand Dystonia

Lead Sponsor:

National Institute of Neurological Disorders and Stroke (NINDS)

Conditions:

Focal Dystonia

Eligibility:

All Genders

18-80 years

Brief Summary

This study will examine how the brain coordinates movement in patients with focal hand dystonia. Patients with dystonia have muscle spasms that cause uncontrolled twisting and repetitive movement or a...

Detailed Description

Objective Currently, there is no cure for focal hand dystonia (FHD). FHD research has focused predominantly on the motor execution abnormality in the primary motor cortex, while the task-specific nat...

Eligibility Criteria

Inclusion

  • INCLUSION CRITERIA:
  • Patients:
  • Age over 18 years
  • Presence of FHD, specifically writer's cramp
  • Healthy volunteers:
  • Age over 18 years
  • Absence of dystonia or other neurologic condition
  • EXCLUSION CRITERIA:
  • Patients and Healthy volunteers:
  • Concurrent medical, surgical, neurologic or psychiatric condition
  • Taking medications which include antidepressants, anxiolytics, anticonvulsants, antipsychotics, antiparkinson, hypnotics, stimulants, and/or antihistamines
  • Received botulinum toxin injection within 3 months of starting the protocol
  • Presence of pacemaker, implanted medical pump, metal plate or metal object in skull or eye
  • History of seizure disorder
  • For healthy volunteers undergoing MRI, subjects with implanted devices such as pacemakers, medication pumps or defibrillators, metal in the cranium except mouth, intracardiac lines, history of shrapnel injury or any other condition/device that may be contraindicated or prevent the acquisition of MRI and/or current pregnancy
  • A serious medical illness which prevents them from lying flat for up to 60 minutes
  • Claustrophobia (a fear of tight spaces), which prevents them from lying still in a tight or small space for up to 60 minutes

Exclusion

    Key Trial Info

    Start Date :

    March 28 2006

    Trial Type :

    OBSERVATIONAL

    End Date :

    February 24 2009

    Estimated Enrollment :

    115 Patients enrolled

    Trial Details

    Trial ID

    NCT00309010

    Start Date

    March 28 2006

    End Date

    February 24 2009

    Last Update

    July 2 2017

    Active Locations (1)

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    Page 1 of 1 (1 locations)

    1

    National Institutes of Health Clinical Center, 9000 Rockville Pike

    Bethesda, Maryland, United States, 20892