Clinical trials: Spasmodic Dysphonia, active
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
Laryngeal Dystonia, Adductor Spastic Dysphonia of Dystonia
Deep Brain Stimulation for Laryngeal Dystonia: From Mechanism to Optimal Application
Deep Brain Stimulation (DBS) is a neurosurgical procedure used to treat tremors, and dystonia. This study will enroll people who have a form of focal dystonia that affects their vocal cords called Adductor Laryngeal dystonia…
- Trial name
- NCT05506085
- Testing
- Deep Brain Stimulation
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Indiana University
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
Laryngeal Dystonia, Spasmodic Dysphonia
Understanding Disorder-specific Neural Pathophysiology in Laryngeal Dystonia and Voice Tremor
The researchers will examine functional neural correlates that differentiate between laryngeal dystonia and voice tremor and contribute to disorder-specific pathophysiology using a cross-disciplinary approach of multimodal brain…
- Conditions
- Laryngeal Dystonia, Spasmodic Dysphonia, Tremor
- Trial name
- NCT05216770
- Testing
- Brain imaging, Laryngeal sensory block with topical bupivacaine
- Where
- United States
- Volunteers
- 165 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Vocal Fold Paresis, Laryngeal Dystonia
Monitoring of the Safety and the Performance of the Endoscopic Cap Electrode (ECE50)
The objective of this registry is to confirm the safety and the performance of the ECE50 in medical routine by collecting data.
- Trial name
- ECE50 (NCT05245942)
- Where
- Austria
- Volunteers
- 384 people
- Sponsor
- MED-EL Elektromedizinische Geräte GmbH
Laryngeal Dystonia, Unaffected Relatives of Laryngeal Dystonia Patients
Imaging Genetics of Laryngeal Dystonia
The contribution of genetic risk factors to the development of focal dystonias is evident. However, understanding of how variations in the causative gene expression lead to variations in brain abnormalities in different…
- Conditions
- Laryngeal Dystonia, Unaffected Relatives of Laryngeal Dystonia Patients, Voice Tremor, Muscle Tension Dysphonia
- Trial name
- NCT03042975
- Testing
- MRI, Blood draw
- Where
- United States
- Volunteers
- 410 people
- Sponsor
- Kristina Simonyan
Spasmodic Dysphonia
EMG-Guided Versus Endoscopic-Catheter Botulinum Toxin Injection for Spasmodic Dysphonia
This randomized, controlled non-inferiority trial will compare two established botulinum toxin injection techniques for adductor spasmodic dysphonia: percutaneous electromyography-guided injection and transnasal endoscopic…
- Trial name
- NCT07894172
- Testing
- Intervention A - Electromyography (EMG)-Guided BTX Injection, Intervention B - Endoscopic Catheter BTX Injection
- Volunteers
- 17 people
- Sponsor
- Chinese University of Hong Kong
Laryngeal Dystonia, Spasmodic Dysphonia
Characterization of Clinical Phenotypes of Laryngeal Dystonia and Voice Tremor
The researchers will systematically evaluate current and novel clinical voice assessment tools and measures to elucidate distinct clinical phenotypes of those with laryngeal dystonia and voice tremor.
- Conditions
- Laryngeal Dystonia, Spasmodic Dysphonia, Tremor
- Trial name
- NCT05150106
- Testing
- Clinical assessments of laryngeal function
- Where
- United States
- Volunteers
- 165 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Laryngeal Dystonia
Brain Network Changes After Vibro-tactile Stimulation in Laryngeal Dystonia
Laryngeal dystonia (LD) is a focal dystonia affecting laryngeal muscles, causing involuntary spasms that impair speech production.
- Trial name
- Neuro-VTS-LD (NCT07443891)
- Testing
- Vibrotactile Stimulation (VTS)
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Laryngeal Dystonia
tDCS for Laryngeal Dystonia
This project will apply transcranial direct current stimulation (tDCS) to multiple brain areas to evaluate the effects as a potential treatment for laryngeal dystonia (formerly spasmodic dysphonia).
- Trial name
- NCT06830174
- Testing
- Starstim system
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Yale University
Laryngeal Dystonia
Brain-Computer Interfaces in Laryngeal Dystonia
The researchers will develop and evaluate the use of adaptive closed-loop brain-computer interface therapeutic intervention in laryngeal dystonia.
- Trial name
- NCT04421365
- Testing
- neurofeedback brain-computer interface (BCI)
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Kristina Simonyan
Laryngeal Dystonia, Spasmodic Dysphonia
Transcranial Magnetic Stimulation in Laryngeal Dystonia
This randomized clinical trial with a crossover design aims to investigate the effects of neuromodulation through repetitive transcranial magnetic stimulation (rTMS) applied to patients diagnosed with laryngeal dystonia.
- Trial name
- NCT07683767
- Testing
- Active rTMS, Speech-Language Therapy
- Volunteers
- 20 people
- Sponsor
- Universidade Federal de Pernambuco
Laryngeal Dystonia, Spasmodic Dysphonia
Deep Brain Stimulation in Laryngeal Dystonia and Voice Tremor
The goals of this project are 1) to determine the incidence of neurological voice disorders in patients with dystonia and essential tremor undergoing deep brain stimulation (DBS), 2) investigate the neuroimaging and intracranial…
- Conditions
- Laryngeal Dystonia, Spasmodic Dysphonia, Tremor, Dystonia
- Trial name
- NCT05150093
- Testing
- Deep Brain Stimulation
- Where
- United States
- Volunteers
- 120 people
- Sponsor
- Massachusetts Eye and Ear Infirmary
Spasmodic Dysphonia, Laryngeal Dystonia
Extended-release Sodium Oxybate (Lumryz) in Spasmodic Dysphonia and Voice Tremor
Using a comprehensive approach of clinico-behavioral testing and neuroimaging, the researchers will examine the clinical effects of the extended-release formulation of sodium oxybate on voice symptoms in spasmodic dysphonia in an…
- Conditions
- Spasmodic Dysphonia, Laryngeal Dystonia, Voice Tremor
- Trial name
- NCT07041203
- Testing
- sodium oxybate
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- Kristina Simonyan