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Showing 25–32 of 32 matching trials from the live ClinicalTrials.gov search.
Conditions
Adductor Spasmodic Dysphonia
Interventions
Voice Exercise
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years to 70 Years · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Madison, Wisconsin
Completed No phase listed Observational Accepts healthy volunteers

Brain Mapping of Voice Control

NCT00066911
Conditions
Voice Disorders
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
20 Years to 70 Years
Enrollment
174 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Spasmodic Dysphonia, Focal Dystonia
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
21 Years to 80 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Voice Disorders
Interventions
Dextromethorphan, Lorazepam
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 80 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Recruiting No phase listed Observational Accepts healthy volunteers

Characterization of Clinical Phenotypes of Laryngeal Dystonia and Voice Tremor

NCT05150106
Conditions
Laryngeal Dystonia, Spasmodic Dysphonia, Tremor
Interventions
Clinical assessments of laryngeal function
Other
Lead sponsor
Massachusetts Eye and Ear Infirmary
Other
Eligibility
18 Years to 80 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Zinc Supplementation Prior to Botox Injections for Spasmodic Dysphonia

NCT05892770
Conditions
Spasmodic Dysphonia
Interventions
Zinc gluconate supplement, Botulinum toxin type A
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 99 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Voice Tremor in Spasmodic Dysphonia: Central Mechanisms and Treatment Response

NCT01961297
Conditions
Spasmodic Dysphonia, Voice Tremor
Interventions
Sodium oxybate
Drug
Lead sponsor
Kristina Simonyan
Other
Eligibility
21 Years to 80 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
New York, New York
Conditions
Spasmodic Dysphonia, Adductor Spasmodic Dysphonia, Voice Disorders
Interventions
Sensation testing
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 85 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
San Francisco, California