Clinical trials: Focal Dystonia
Healthy, Focal Dystonias
Role of Dopamine Receptors in Primary Focal Dystonias
Dystonia is a disabling movement disorder characterized by repetitive patterned or sustained muscle contractions causing twisting or abnormal postures that may afflict 250,000 people in the U.S.
- Trial name
- NCT01373840
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Dystonic Disorder, Focal Dystonia
Characterization of Manual Dexterity by Finger Force Manipuladum (FFM) in Patients With Writer's Cramp and in Control Subjects
Writer's cramp is a focal dystonia characterized by abnormal movements and postures during writing. Limited finger independence during writing manifests as difficulty suppressing unwanted activations of neighbouring non…
- Conditions
- Dystonic Disorder, Focal Dystonia, Writer's Cramp
- Trial name
- FFM_CT (NCT03797638)
- Testing
- Finger Force Manipuladum (FFM)
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Cervical Dystonia, Primary, Blepharospasm
Analysis of Gait Before and After Botulinum Toxin Treatment in Patients With Focal Dystonia
Efficient gait requires effective postural control, both static and dynamic. Hence, postural disorders may affect gait. Yet, very little is known about the specific effects of focal postural disorders such as cervical dystonia…
- Trial name
- GAIT-TOX (NCT03938363)
- Testing
- Treadmill, Botulinum Toxin injection, Severity scale of the disease
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Dystonia, Healthy
Brain Anatomy in Dystonia
This study will use high-resolution magnetic resonance imaging (MRI) to look for subtle differences in brain anatomy between patients with focal hand dystonia (also called writer s cramp) and healthy normal volunteers.
- Trial name
- NCT00031369
- Where
- United States
- Volunteers
- 189 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Spasmodic Dysphonia, Singer's Dystonia
Brain Networks in Dystonia
To date, there is only limited knowledge about the distinct neural abnormalities that lead to the development of different forms of focal dystonia.
- Conditions
- Spasmodic Dysphonia, Singer's Dystonia, Writer's Cramp, Musician's Focal Hand Dystonia
- Trial name
- NCT03042962
- Testing
- MRI, Blood draw
- Where
- United States
- Volunteers
- 141 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Dystonia, Dystonia; Idiopathic
Dystonia Genotype-Phenotype Correlation
The purpose of this study is to (1) investigate the effect of known dystonia-causing mutations on brain structure and function, to (2) identify structural brain changes that differ between clinical phenotypes of dystonia, and to…
- Conditions
- Dystonia, Dystonia; Idiopathic, Dystonia, Primary, Dystonia, Secondary
- Trial name
- NCT03428009
- Testing
- Magnetic Resonance Imaging
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Dystonia
Functional Connectivity in Primary Focal Dystonia
In this study we are looking at primary focal dystonias, including dystonias of the limbs, eyes, jaw or face, neck, and vocal chords.
- Trial name
- NCT01761903
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Focal Dystonia, Healthy Volunteers
Loss of Depotentiation in Focal Dystonia
Background Focal dystonia is a brain disorder. It affects a muscle or muscles in a specific part of the body. Researchers think it may be related to excessive training or practice.
- Trial name
- NCT03206112
- Testing
- PAS25, PAS10, PAS25-cTBS150
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Isolated Focal Hand Dystonia
Neuromodulation Therapy for Task-Specific Dystonia
This study aims to apply a non-invasive brain stimulation technology called repetitive Transcranial Magnetic Stimulation (rTMS) in patients with focal hand dystonia (FHD).
- Trial name
- NCT06422104
- Testing
- Repetitive transcranial magnetic stimulation
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Duke University
Focal Dystonia, Healthy Volunteers
Depotentiation in People With Focal Hand Dystonia
Background: Focal hand dystonia (FHD) causes muscles to contract, leading to abnormal movements or postures. Musicians, writers, and athletes often get it.
- Trial name
- NCT02106936
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Essential Tremor, Cervical Dystonia
Neurophysiologic Study of Patient With Essential Tremor and Dystonic Tremor
Background: Essential tremor is when a person has tremor, but no other neurological symptoms. Dystonic tremor is when a person also has dystonia. Dystonia is a condition in which muscle contraction causes changes in posture.
- Conditions
- Essential Tremor, Cervical Dystonia, Focal Dystonia
- Trial name
- NCT03041714
- Where
- United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Focal Dystonia
Electrophysiological and Neuroimaging Correlates of the Effect of Zolpidem in Patients With Focal Dystonia
To study electrophysiological and imaging correlations of the clinical effectiveness of zolpidem in task-specific dystonia and to elucidate mechanisms underlying its therapeutic effects, patients with focal dystonia will be…
- Trial name
- NCT04692285
- Testing
- Zolpidem
- Where
- 2 sites in Serbia, Slovenia
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University Medical Centre Ljubljana
Laryngeal Dystonia, Focal Dystonia
Effects of Neuromodulation in Laryngeal Dystonia
Laryngeal dystonia (LD) causes excessive vocal fold abduction (opening) or adduction (closing) leading to decreased voice quality, job prospects, self-worth and quality of life.
- Trial name
- NCT05095740
- Testing
- repetitive transcranial magnetic stimulation (rTMS)
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- MGH Institute of Health Professions
Focal Dystonia
Neurophysiology of Task-Specificity of Focal Hand Dystonia
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 abnormal postures.
- Trial name
- NCT00309010
- Where
- United States
- Volunteers
- 115 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Dystonic Disorders, Healthy
Surround Inhibition in Patients With Dystonia
This study will use transcranial magnetic stimulation (TMS) to examine how the brain controls muscle movement in dystonia. Dystonia is a movement disorder in which involuntary muscle contractions cause uncontrolled twisting and…
- Trial name
- NCT00029601
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Dystonia
Transcranial Magnetic Stimulation for Focal Hand Dystonia
Background: The brain has natural electrical rhythms of brain activities. These rhythms may be different in people with movement disorders, such as dystonia (involuntary muscle movement, cramps, or tremors).
- Trial name
- NCT01792336
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Dystonia
Brain Function in Focal Dystonia
Objectives The main objectives of this proposal are (1) to characterize motor learning abnormalities in patients with focal dystonia; (2) to show, using transcranial magnetic stimulation, that this abnormal motor learning went…
- Trial name
- NCT00102999
- Where
- United States
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Dystonia, Focal Dystonia
Brain Changes in Blepharospasm
This study will examine the role of certain areas of the brain in blepharospasm, a type of dystonia (abnormality of movement and muscle tone) that causes unwanted or uncontrollable blinking or closing of the eyelids.
- Conditions
- Dystonia, Focal Dystonia, Cerebellar Disease
- Trial name
- NCT00487383
- Where
- United States
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Dystonia
Pathophysiology of Focal Hand Dystonia
Background: Little is known about the problems in brain function in focal hand dystonia (FHD) or complex regional pain syndrome (CRPS) dystonia. It is unclear why some CRPS patients develop dystonia but others do not.
- Trial name
- NCT03223623
- Testing
- TMS, MRI, VASO Imaging
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Parkinson Disease
Study of Motor Inhibition in Parkinson's Disease and Focal Hand Dystonia
The current research protocol aims at studying preparatory inhibition in two populations of patients suffering from movement disorders.
- Trial name
- PD-INHIB (NCT05209516)
- Testing
- Behavioral data, Single-pulse transcranial magnetic stimulation (TMS), Questionnaires
- Where
- Belgium
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Cliniques universitaires Saint-Luc- Université Catholique de Louvain