Clinical trials: Adductor Spasmodic Dysphonia
Adductor Spasmodic Dysphonia
The 'Lombard Effect' in Patients Affected by Adductor Laryngeal Dystonia
Adductory spasmodic dysphonia (AdSD) is a rare condition characterised by irregular and uncontrolled voice interruptions, most commonly affecting women around the age of 45.
- Trial name
- LoQVAdSD (NCT06402214)
- Testing
- Lombard test
- Where
- Italy
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
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
Adductor Spasmodic Dysphonia
The Effect of Vocal Rest Versus Vocalization Following Xeomin® Injections in Spasmodic Dysphonia
This study will compare the effects of vocal rest versus continuous vocalization for one hour immediately following botulinum toxin injections for adductor spasmodic dysphonia.
- Trial name
- NCT03129087
- Testing
- Vocal rest versus vocalization
- Where
- Canada
- Volunteers
- 20 people
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Adductor Spasmodic Dysphonia
Effects of Vocal Exercises for Spasmodic Dysphonia
The purpose of this study is to assess the effect of voice exercise and voice rest on subject's perception of vocal handicap and communicative participation following Botox injections for adductor spasmodic dysphonia.
- Trial name
- NCT03349086
- Testing
- Voice Exercise
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- University of Wisconsin, Madison
Adductor Spasmodic Dysphonia, Voice Disorders
DaxibotulinumtoxinA Injection for Treatment of Adductor Spasmodic Dysphonia
Spasmodic Dysphonia (SD) is a neurologic condition causing inappropriate contraction of the laryngeal musculature, leading to abnormal voicing.
- Conditions
- Adductor Spasmodic Dysphonia, Voice Disorders, Spasmodic Dysphonia
- Trial name
- NCT05158166
- Testing
- DaxibotulinumtoxinA
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- University of California, San Francisco
Adductor Spasmodic Dysphonia, Abductor Spastic Dysphonia
Laryngeal Vibro-tactile Stimulation as a Non-invasive Symptomatic Treatment for Spasmodic Dysphonia
The general aim of the research is to provide scientific evidence that vibro-tactile stimulation (VTS) represents a non-invasive form of neuromodulation that can induce measurable improvements in the speech of patients with…
- Conditions
- Adductor Spasmodic Dysphonia, Abductor Spastic Dysphonia, Laryngeal Dystonia
- Trial name
- NCT05467228
- Testing
- vibro-tactile stimulation (VTS)
- Where
- United States
- Sponsor
- University of Minnesota
Spasmodic Dysphonia, Adductor Spasmodic Dysphonia
Assessment of Laryngopharyngeal Sensation in Adductor Spasmodic Dysphonia
Study investigators have completed a study testing laryngopharyngeal sensation at specific laryngopharyngeal subsites using a novel buckling force aesthesiometer in a series of 22 healthy adults at this institution.
- Conditions
- Spasmodic Dysphonia, Adductor Spasmodic Dysphonia, Voice Disorders
- Trial name
- SDTT (NCT05158179)
- Testing
- Sensation testing
- Where
- United States
- Volunteers
- 13 people
- Sponsor
- University of California, San Francisco
Adductor Spasmodic Dysphonia
Treatment for Adductor Spasmodic Dysphonia by Type 2 Thyroplasty Using Titanium Bridges
For adductor spasmodic dysphonia, there is a need for establishing a new therapy under the present circumstance where no standard therapy has been established yet and existing therapies fail to provide permanent effect.
- Trial name
- NCT02528006
- Testing
- Type 2 Thyroplasty using Titanium Bridges
- Where
- 4 sites in Japan
- Volunteers
- 20 people
- Sponsor
- Kumamoto University