- 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
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Showing 25–48
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- Conditions
- Voice Disorders, Muscle Tension Dysphonia, Speech Therapy
- Interventions
- Gargle Phonation, Water swallow
- Other
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years to 89 Years
- Enrollment
- 36 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021
- U.S. locations
- 2
- States / cities
- Scottsdale, Arizona • Rochester, Minnesota
- 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
- Transgender Women, Voice Alteration
- Interventions
- Visual-acoustic biofeedback: experimental
- Behavioral
- Lead sponsor
- University of Cincinnati
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 6 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Cincinnati, Ohio
- 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
- Sore-throat, Dysphonia, Dysphagia, Intubation Complication, Anesthesia Intubation Complication, Anesthesia Morbidity, Anesthesia Complication, Anesthesia; Adverse Effect, Anesthesia; Reaction, Throat Disorder, Throat; Wound, Throat Injury
- Interventions
- EndoClip
- Device
- Lead sponsor
- University of California, San Diego
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- La Jolla, California
- 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
- Dysphonia
- Interventions
- Online Voice quality education module, Vocal hygiene module
- Other
- Lead sponsor
- NYU Langone Health
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 42 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Dysphagia, Dysphonia
- Interventions
- Voice and Swallowing evaluations
- Other
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 19 Years and older
- Enrollment
- 200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2026
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- Vocal Fold Nodules, Muscle Tension Dysphonia
- Interventions
- Ambulatory voice biofeedback
- Behavioral
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 39 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2024
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- 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
- 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, 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
- Post Operative Sore Throat, Dysphagia, Hoarseness
- Interventions
- cuff manometer
- Device
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 141 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- San Francisco, California
- 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
- 36 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Dysphonia Resulting From Vocal Fold Scarring, Age-related Dysphonia
- Interventions
- Azficel-T (autologous fibroblasts), Placebo
- Biological · Drug
- Lead sponsor
- Castle Creek Biosciences, LLC.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 21 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2016
- U.S. locations
- 3
- States / cities
- Los Angeles, California • Stanford, California • New York, New York
- 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
- Conversation Training Therapy
- Behavioral
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 67 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2018
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- 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
- Voice and Resonance Disorders, Vocal Fold Polyp, Vocal Cord Cyst, Vocal Cord Polyp, Atrophy of Vocal Cord
- Interventions
- Inclusion of semi-occluded mask in voice therapy
- Device
- Lead sponsor
- Jacqueline Gartner-Schmidt
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 11 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Dysphonia, Primary Muscle Tension Dysphonia (MTD)
- Interventions
- Hierarchical method, Non Hierarchical method
- Other
- Lead sponsor
- Emory University
- Other
- Eligibility
- 16 Years to 65 Years
- Enrollment
- 120 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2029
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Dysphonia, Unilateral Vocal Cord Paralysis
- Interventions
- Standard of care voice therapy, Expiratory muscle strength training (EMST)
- Other
- Lead sponsor
- University of Miami
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Miami, Florida
- Conditions
- Atrophy of Vocal Cord, Presbyphonia, Dysphonia, Glottic Insufficiency, Voice Change, Voice Disorder, Adults, Aging, Speech Therapy, Voice Alteration
- Interventions
- exuberant voice therapy
- Behavioral
- Lead sponsor
- University of Southern California
- Other
- Eligibility
- 54 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026
- U.S. locations
- 4
- States / cities
- Arcadia, California • Beverly Hills, California • Glendale, California + 1 more
- Conditions
- Dysphonia
- Interventions
- Steroid, Lactose Pills
- Drug · Dietary Supplement
- Lead sponsor
- NYU Langone Health
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 36 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2018
- U.S. locations
- 1
- States / cities
- New York, New York