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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Voice Hoarseness Clear all
Completed Phase 2Phase 3 Interventional Results available

Sodium Oxybate in Spasmodic Dysphonia and Voice Tremor

NCT03292458
View directory record Official record
Conditions
Spasmodic Dysphonia, Voice Tremor
Interventions
Sodium Oxybate
Drug
Lead sponsor
Kristina Simonyan
Other
Eligibility
21 Years to 80 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 29, 2025 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Not applicable Interventional

Dysphonia, Distress, and Perceived Control: Technology Based Assessment and Intervention

NCT03576365
View directory record Official record
Conditions
Functional Dysphonia, Voice Disorders, Dysphonia
Interventions
VOICE Intervention Arm, Information-Only Arm
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 80 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
2
States / cities
Maple Grove, Minnesota • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 9, 2025 · Synced Sep 17, 2026, 5:15 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Brain-Computer Interfaces in Laryngeal Dystonia

NCT04421365
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Sep 17, 2026, 5:15 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Central Mechanisms in Speech Motor Control Studied With H215O PET

NCT00001308
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Sep 17, 2026, 5:15 AM EDT
Terminated No phase listed Observational

Neurogenic Dysphonia/Dysphagia Registry

NCT02493491
View directory record Official record
Conditions
Neurogenic Dysphonia, Neurogenic Dysphagia
Interventions
Not listed
Lead sponsor
Merz North America, Inc.
Industry
Eligibility
18 Years and older
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
12
States / cities
La Jolla, California • Sacramento, California • Augusta, Georgia + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2016 · Synced Sep 17, 2026, 5:15 AM EDT
Recruiting No phase listed Observational

Imaging Genetics of Laryngeal Dystonia

NCT03042975
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Sep 17, 2026, 5:15 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

The Effect of IV NSAID's and Corticosteroids on Dysphasia and Dysphonia Following ASDF

NCT04650893
View directory record Official record
Conditions
Dysphagia, Dysphonia
Interventions
Intravenous Ketorolac, Intravenous Dexamethasone, Placebo
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 22, 2024 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate Effects of Gargle Phonation in Voice

NCT04766658
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 18, 2022 · Synced Sep 17, 2026, 5:15 AM EDT
Not listed Not applicable Interventional

Treating Laryngeal Hyperfunction With Flow Phonation

NCT01988207
View directory record Official record
Conditions
Muscle Tension Dysphonia
Interventions
Vocal Hygiene Training, Flow Phonation Exercises
Behavioral
Lead sponsor
University of Central Arkansas
Other
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Conway, Arkansas
Source: ClinicalTrials.gov public record
Updated Nov 19, 2013 · Synced Sep 17, 2026, 5:15 AM EDT
Withdrawn Phase 2 Interventional

Laryngeal Vibro-tactile Stimulation as a Non-invasive Symptomatic Treatment for Spasmodic Dysphonia

NCT05467228
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 15, 2025 · Synced Sep 17, 2026, 5:15 AM EDT
Recruiting Not applicable Interventional

tDCS for Laryngeal Dystonia

NCT06830174
View directory record Official record
Conditions
Laryngeal Dystonia
Interventions
Starstim system
Device
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 8, 2026 · Synced Sep 17, 2026, 5:15 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Usefulness and Feasibility of Ultrasound in Office Laryngology Procedures

NCT06579989
View directory record Official record
Conditions
Cough, Vocal Cord Atrophy, Vocal Cord Paresis, Vocal Cord Paralysis, Dysphagia, Dysphonia
Interventions
Ultrasound for cough, Ultrasound for vocal fold atrophy or vocal fold paresis/paralysis, Ultrasound for dysphagia, Ultrasound for dysphonia
Diagnostic Test
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 99 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2030
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Screening for Barrett's Esophagus in Otolaryngology Patients

NCT00695227
View directory record Official record
Conditions
Extraesophageal Symptoms, Cough, Throat Clearing, Hoarseness, Difficulty Swallowing
Interventions
Screening for Barrett's Esophagus
Diagnostic Test
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 90 Years
Enrollment
295 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2011
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 5, 2018 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Voice Tremor in Spasmodic Dysphonia: Central Mechanisms and Treatment Response

NCT01961297
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 21, 2017 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Not applicable Interventional

Silk Protein Microparticle-based Filler for Injection Augmentation

NCT03790956
View directory record Official record
Conditions
Vocal Cord Paralysis Unilateral, Dysphonia, Dysphagia, Oropharyngeal
Interventions
Silk Microparticle Filler Injection
Procedure
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

No Post Intubation Laryngeal Symptoms

NCT05383417
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Not applicable Interventional Results available

The Effects of Respiratory Training on Voice

NCT04710862
View directory record Official record
Conditions
Muscle Tension Dysphonia
Interventions
Breathing training without a device, Breathing training with a device
Behavioral
Lead sponsor
Syracuse University
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Jul 23, 2025 · Synced Sep 17, 2026, 5:15 AM EDT
Completed No phase listed Observational

Neuropathology of Spasmodic Dysphonia

NCT00118586
View directory record Official record
Conditions
Voice Disorders, Spasmodic Dysphonia, Healthy, Movement Disorder, Focal Dystonia
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
21 Years and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 7, 2022 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Not applicable Interventional

Intensive Versus Traditional Voice Therapy

NCT03129880
View directory record Official record
Conditions
Dysphonia
Interventions
Weekly Voice Therapy, Intensive Voice Therapy
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 15, 2024 · Synced Sep 17, 2026, 5:15 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Understanding Disorder-specific Neural Pathophysiology in Laryngeal Dystonia and Voice Tremor

NCT05216770
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Sep 17, 2026, 5:15 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Straw Phonation Exercise Program for Pitch Extension

NCT05357222
View directory record Official record
Conditions
Voice Fatigue, Voice Disorders, Voice Hoarseness
Interventions
Straw phontion
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Phase 1Phase 2 Interventional Results available

DaxibotulinumtoxinA Injection for Treatment of Adductor Spasmodic Dysphonia

NCT05158166
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Sep 17, 2026, 5:15 AM EDT
Recruiting Not applicable Interventional

Voice Therapy Per the Rehabilitation Treatment Specification System

NCT06152627
View directory record Official record
Conditions
Muscle Tension Dysphonia
Interventions
Standard of care voice therapy with novice clinician RTSS-Voice documentation, Standard of care voice therapy with expert clinician RTSS-Voice documentation
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
14 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
5
States / cities
Atlanta, Georgia • Boston, Massachusetts • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Sep 17, 2026, 5:15 AM EDT
Not yet recruiting Not applicable Interventional

Active vs. Passive VR During Office-based ENT Procedures

NCT07599826
View directory record Official record
Conditions
Pain, Anxiety, Chronic Rhinosinusitis (CRS), Nasal Obstruction, Nasal Polyp, Eustachian Tube Dysfunction, Dysphonia, Subglottic Stenosis (SGS)
Interventions
Passive virtual reality headset or goggles, Active virtual reality headset or goggles
Device
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 17, 2026, 5:15 AM EDT