Clinical trials: Spastic Dysphonia
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 Disease, Spastic Dysphonia
Characteristics of Idiopathic Familial Voice Disorders
The purpose the study is to determine the genetic causes of specific voice disorders that run in families. Researchers are particularly interested in two conditions; 1. Spasmodic dysphonia 2.
- Conditions
- Laryngeal Disease, Spastic Dysphonia, Voice Disorder
- Trial name
- NCT00001552
- Where
- 4 sites in United States, United Kingdom
- Volunteers
- 270 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Spastic Dysphonia, Healthy
Study of Air Stream in Voice Production
This study will investigate and compare the air stream during voice production in patients with abductor spasmodic dysphonia and in normal volunteers.
- Trial name
- NCT00015795
- Testing
- airway interruption test
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Laryngeal Dystonia, Spasmodic Dysphonia
Cortical Silent Period in Laryngeal Dystonia
The goal of this observational study is to evaluate the cortical silent period (cSP) in cricothyroid muscle (CT) in laryngeal dystonia and control healthy subjects.
- Trial name
- cSPDystonia (NCT05580302)
- Testing
- Transcranial Magnetic Stimulation (TMS)
- Where
- Croatia
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Split, School of Medicine
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
Dysphonia
BOTOX® Drug Use Investigation (Spasmodic Dysphonia)
This study is a drug use investigation program of BOTOX. The objective of this investigation is to collect and assess information on the safety and efficacy of BOTOX injections in subjects with a diagnosis of spasmodic dysphonia…
- Trial name
- NCT03543150
- Testing
- BOTOX
- Where
- Japan
- Volunteers
- 400 people
- Sponsor
- GlaxoSmithKline