Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 13, 2026, 12:33 AM EDT

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Showing 1–24 of 85 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
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
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
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
Terminated No phase listed Observational

Neurogenic Dysphonia/Dysphagia Registry

NCT02493491
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

No Post Intubation Laryngeal Symptoms

NCT05383417
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
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
Recruiting Not applicable Interventional

tDCS for Laryngeal Dystonia

NCT06830174
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
Conditions
Voice Disorders, Vocal Fold Polyp, Vocal Nodules in Adults, Muscle Tension Dysphonia
Interventions
Ambulatory Voice Monitoring with Biofeedback (AVM-B), Conversation Training Therapy
Device · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
2
States / cities
Boston, Massachusetts
Conditions
Spasmodic Dysphonia, Laryngeal Dystonia
Interventions
Vibro-tactile stimulation
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
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
Heart Failure
Interventions
Daily Voice Recording
Other
Lead sponsor
Noah Labs
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Francisco, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Laryngeal Vibration for Spasmodic Dysphonia

NCT03746509
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
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Improving Voice Production for Adults With Age-related Dysphonia

NCT03702322
Conditions
Presbylarynx, Age-Related Dysphonia
Interventions
Voice therapy: respiratory, Voice therapy: glottal closure, Voice therapy: loud, Voice therapy: Semiocclusion
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
65 Years and older
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
2
States / cities
Scottsdale, Arizona • Tucson, Arizona
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
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
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
Completed Phase 2Phase 3 Interventional Results available

Spasmodic Dysphonia Pain

NCT04648891
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
Completed Phase 2Phase 3 Interventional Results available

Sodium Oxybate in Spasmodic Dysphonia and Voice Tremor

NCT03292458
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
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Usefulness and Feasibility of Ultrasound in Office Laryngology Procedures

NCT06579989
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
Conditions
Healthy
Interventions
SARS-CoV-2/Influenza/RSV RT-PCR
Diagnostic Test
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
9,151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Orleans, Louisiana
Conditions
Oral Complications of Radiation Therapy, Stage I Laryngeal Cancer, Stage II Laryngeal Cancer
Interventions
laser therapy, questionnaire administration
Procedure · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
Not listed
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Completed Not applicable Interventional Results available

The Effects of Respiratory Training on Voice

NCT04710862
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
Completed Phase 1Phase 2 Interventional Results available

Effects of Octanoic Acid for Treatment of Essential Voice Tremor

NCT01864525
Conditions
Essential Voice Tremor, Vocal Tremor, Voice Tremor, Essential Tremor of Voice
Interventions
Octanoic acid, Inactive capsule
Drug
Lead sponsor
Syracuse University
Other
Eligibility
21 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Syracuse, New York
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

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

NCT04650893
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