View clinical trials related to Dystonia.
Filter by:The purpose of this study is to investigate the impact of botulinum toxin treatment in quality of life(QoL) in cervical dystonia patients
This is an observational study to assess health-related quality of life in patients with cervical dystonia (dystonie) treated with OnabotulinumtoxinA per routine clinical practice.
The purpose of this study is to determine the Optimal dose for safety and efficacy in the treatment of cervical dystonia.
Background: - Deep brain stimulation (DBS) is an approved surgery for certain movement disorders, like Parkinson's disease, that do not respond well to other treatments. DBS uses a battery-powered device called a neurostimulator (like a pacemaker) that is placed under the skin in the chest. It is used to stimulate the areas of the brain that affect movement. Stimulating these areas helps to block the nerve signals that cause abnormal movements. Researchers also want to record the brain function of people with movement disorders during the surgery. Objectives: - To study how DBS surgery affects Parkinson s disease, dystonia, and tremor. - To obtain information on brain and nerve cell function during DBS surgery. Eligibility: - People at least 18 years of age who have movement disorders, like Parkinson's disease, essential tremor, and dystonia. Design: - Researchers will screen patients with physical and neurological exams to decide whether they can have the surgery. Patients will also have a medical history, blood tests, imaging studies, and other tests. Before the surgery, participants will practice movement and memory tests. - During surgery, the stimulator will be placed to provide the right amount of stimulation for the brain. Patients will perform the movement and memory tests that they practiced earlier. - After surgery, participants will recover in the hospital. They will have a followup visit within 4 weeks to turn on and adjust the stimulator. The stimulator has to be programmed and adjusted over weeks to months to find the best settings. - Participants will return for followup visits at 1, 2, and 3 months after surgery. Researchers will test their movement, memory, and general quality of life. Each visit will last about 2 hours.
Background: - People with writer s cramp develop tightness in arm muscles and abnormal hand posture when writing, which makes writing difficult or impossible. At present, there is no suitable rating scale to measure the symptoms of or disability associated with writer s cramp. Researchers want to videotape people performing simple writing tasks. They will then compare the performance of people with writer s cramp on these tasks to those of people without writer s cramp. This information will help develop a rating scale to evaluate writer s cramp. Objectives: - To develop a new rating scale for writer s cramp. Eligibility: - Individuals at least 18 years of age who have writer s cramp. Design: - Participants will be screened with a physical exam and medical history. - Participants will have one outpatient study visit that will last about 3 hours. - Participants will perform tasks related to writing, such as writing passages and drawing spirals and loops. They will be videotaped during these tasks. They will repeat some of the writing tasks three more times; on paper attached to a writing tablet, directly on the writing tablet, and on a computer tablet. - The angles made by the joints will be measured at rest not while writing healthy volunteers.
The aim of the study is to compare the efficacy and the safety profile of the newly introduced interleaving stimulation mode to those of the standard double monopolar stimulation mode during pallidal deep brain stimulation of primary generalized or segmental dystonia.
Dystonia is a movement disorder characterized by involuntary, sustained, often repetitive muscle contractions of opposite muscles that lead to abnormal twisting movements or odd postures. Essential tremor is a slowly progressive neurologic disorder characterized by the appearance of a tremor during the voluntary movement. The pathophysiology of dystonia or essential tremor is not fully elucidated. Dystonia and essential tremor are associated with dysfunction of the sensorimotor basal ganglia-cortical network and involvement of the cerebellum and cerebellar pathways has also been recently suggested. The investigators propose to study 30 patients having a primary dystonia (15 DYT11 genetically documented), 15 patients having an essential tremor without deep brain stimulation and 15 patients having an essential tremor with deep brain stimulation.A group of 30 healthy volunteers will be recruited and tested according to the same modalities. They will be paired in sex and age. 30 patients having a Parkinson disease will be also tested. Eye position will be sampled with a video-based monocular eye tracker (SMI, Germany) before and immediately after an adaptation task. Saccade adaptation is evaluated as the percentage change in the mean saccade amplitude between pre-test and post-test. Expected results: - no or fewer alteration of the performance to the adaptation task in the Parkinson group than in the Essential Tremor group/ dystonia group. - abnormal reactive saccade backward adaptation in the Dystonia group and Essential Tremor group, providing further neurophysiological evidence of cerebellar dysfunction.
This study will compare Xeomin®, a botulinum toxin medication, in shorter treatment intervals (Short Flex dosing) to the standard interval dosing (Long Flex dosing) to determine if the response to treatment is comparable in both how it works and any side effects. Xeomin® is approved by the United States Food and Drug Administration (FDA) for the treatment of cervical dystonia (CD). The use of Xeomin® is investigational in regards to shorter treatment intervals. An investigational use is one that is not approved by the FDA.
The investigators hypothesize that transcranial direct current stimulation over the motor cortex will reduce muscle overflow and improve hand function in children with primary or secondary dystonia.
This is a research study using transcranial magnetic stimulation (TMS) to investigate interactions between the sensory system and the motor cortex in primary generalized dystonia (DYT1 dystonia) subjects who undergo deep brain stimulation (DBS) surgery. The sensory system is the body's sense organs - smell, sight, sound, etc. - and the motor cortex is the part of your brain where nerve impulses control voluntary muscle activity.