- Conditions
- Adductor Spasmodic Dysphonia, Voice Disorders, Spasmodic Dysphonia
- Interventions
- DaxibotulinumtoxinA
- Drug
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 22 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- San Francisco, California
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Showing 1–24
of 36
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Laryngeal Dystonia, Focal Dystonia
- Interventions
- repetitive transcranial magnetic stimulation (rTMS), sham rTMS
- Device
- Lead sponsor
- MGH Institute of Health Professions
- Other
- Eligibility
- 21 Years to 85 Years
- Enrollment
- 25 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2026
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- 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
- Spastic Dysphonia, Healthy
- Interventions
- airway interruption test
- Device
- Lead sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
- NIH
- Eligibility
- Not listed
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2001 – 2003
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Laryngeal Dystonia, Adductor Spastic Dysphonia of Dystonia
- Interventions
- Deep Brain Stimulation
- Device
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2030
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- Conditions
- Spasmodic Dysphonia
- Interventions
- Lidocaine, Vibrating wand
- Drug · Device
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 32 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2023
- U.S. locations
- 1
- States / cities
- Phoenix, Arizona
- Conditions
- Laryngeal Dystonia, Unaffected Relatives of Laryngeal Dystonia Patients, Voice Tremor, Muscle Tension Dysphonia
- Interventions
- MRI, Blood draw
- Other · Procedure
- Lead sponsor
- Kristina Simonyan
- Other
- Eligibility
- Not listed
- Enrollment
- 410 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2028
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- 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
- 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
- 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
- Laryngeal Dystonia
- Interventions
- Vibrotactile Stimulation (VTS)
- Device
- Lead sponsor
- University of Minnesota
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota
- Conditions
- Dysphonia, Spastic, Dysphonia, Laryngeal Dystonia
- Interventions
- Pyridostigmine Bromide 60 Milligrams (mg)
- Drug
- Lead sponsor
- Eastern Virginia Medical School
- Other
- Eligibility
- 21 Years to 100 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2023
- U.S. locations
- 1
- States / cities
- Norfolk, Virginia
- Conditions
- Spasmodic Dysphonia, Dystonia
- Interventions
- Vocal Exercise
- Behavioral
- Lead sponsor
- NYU Langone Health
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 8 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2013
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Phonation Disorder, Spastic Dysphonia, Voice Disorder
- Interventions
- Not listed
- Lead sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
- NIH
- Eligibility
- 20 Years to 80 Years
- Enrollment
- 370 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 1998
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Laryngeal Dystonia
- Interventions
- neurofeedback brain-computer interface (BCI)
- Device
- Lead sponsor
- Kristina Simonyan
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2027
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- 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
- Conditions
- Spasmodic Dysphonia, Laryngeal Dystonia
- Interventions
- 1Hz repetitive transcranial magnetic stimulation (rTMS)
- Device
- Lead sponsor
- University of Minnesota
- Other
- Eligibility
- 21 Years to 75 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota
- Conditions
- Spasmodic Dysphonia, Singer's Dystonia, Writer's Cramp, Musician's Focal Hand Dystonia, Craniofacial Dystonia, Blepharospasm Oromandibular Dystonia
- Interventions
- MRI, Blood draw
- Other · Procedure
- Lead sponsor
- Massachusetts Eye and Ear Infirmary
- Other
- Eligibility
- 21 Years to 80 Years
- Enrollment
- 141 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2027
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Vocal Weakness(Post-BOTOX Injection)
- Interventions
- Amifampridine
- Drug
- Lead sponsor
- Augusta University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 18 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2025
- U.S. locations
- 1
- States / cities
- Augusta, Georgia
- 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
- Conditions
- Laryngeal Dystonia, Spasmodic Dysphonia, Tremor
- Interventions
- Brain imaging, Laryngeal sensory block with topical bupivacaine
- Other · Drug
- 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
- Conditions
- Spasmodic Dysphonia, Laryngeal Dystonia
- Interventions
- Not listed
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years to 85 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2016
- U.S. locations
- 2
- States / cities
- Atlanta, Georgia • St Louis, Missouri
- Conditions
- Adductor Spasmodic Dysphonia, Abductor Spastic Dysphonia, Laryngeal Dystonia
- Interventions
- vibro-tactile stimulation (VTS)
- Device
- Lead sponsor
- University of Minnesota
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota
- 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