- Conditions
- Spasmodic Dysphonia, Laryngeal Dystonia, Voice Tremor
- Interventions
- sodium oxybate
- Drug
- Lead sponsor
- Kristina Simonyan
- Other
- Eligibility
- 21 Years to 80 Years
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
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Showing 25–36
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- 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, 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
- 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
- Spasmodic Dysphonia
- Interventions
- Laryngeal Vibration (Treatment), Laryngeal Vibration (Comparator)
- Device
- Lead sponsor
- University of Minnesota
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 42 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2022
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota
- 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, Spasmodic Dysphonia, Tremor, Dystonia
- Interventions
- Deep Brain Stimulation
- Procedure
- Lead sponsor
- Massachusetts Eye and Ear Infirmary
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 120 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2027
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- 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
- 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
- Dystonia
- Interventions
- Not listed
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 3,265 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2020
- U.S. locations
- 34
- States / cities
- Birmingham, Alabama • Scottsdale, Arizona • Fountain Valley, California + 26 more
- 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
- Communication Disorder, Healthy, Stuttering, Tourette Syndrome, Voice Disorder
- Interventions
- Not listed
- Lead sponsor
- National Institute on Deafness and Other Communication Disorders (NIDCD)
- NIH
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 1,163 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 1992 – 2016
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland