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ClinicalTrials.gov public records Last synced May 22, 2026, 3:47 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Phonation Disorder Clear all
Recruiting Early Phase 1 Interventional Accepts healthy volunteers
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 May 22, 2026, 3:47 AM EDT
Withdrawn Not applicable Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 6, 2025 · Synced May 22, 2026, 3:47 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Dysphagia, Dysphonia, Postoperative Pain
Interventions
Racemic Epinephrine, Placebo (for racemic epinephrine)
Drug
Lead sponsor
Andrew Chung
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 30, 2016 · Synced May 22, 2026, 3:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Parkinson Disease
Interventions
Understand Me For Life
Device
Lead sponsor
Long Island University
Other
Eligibility
30 Years to 85 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Apr 11, 2022 · Synced May 22, 2026, 3:47 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Dysphonia, Aphonia
Interventions
Surface Electromyography
Device
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 110 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2031
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced May 22, 2026, 3:47 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
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 May 22, 2026, 3:47 AM EDT
Completed Phase 1Phase 2 Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced May 22, 2026, 3:47 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Voice Disorders
Interventions
Conversation Training Therapy, Global Voice Prevention and Therapy Model, Modified Conversation Training Therapy, Modified Global Voice Prevention and Therapy Model
Behavioral
Lead sponsor
West Chester University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
West Chester, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 27, 2024 · Synced May 22, 2026, 3:47 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Voice Disorder Due to Iatrogenic Factor
Interventions
Chlor-Trimeton.
Drug
Lead sponsor
Auburn University
Other
Eligibility
18 Years to 35 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Auburn, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 23, 2024 · Synced May 22, 2026, 3:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
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 May 22, 2026, 3:47 AM EDT
Withdrawn No phase listed Observational
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 29, 2016 · Synced May 22, 2026, 3:47 AM EDT
Not yet recruiting Not applicable Interventional
View directory record Official record
Conditions
Pain, Anxiety, Chronic Rhinosinusitis (CRS), Nasal Obstruction, Nasal Polyp, Eustachian Tube Dysfunction, Dysphonia, Subglottic Stenosis (SGS)
Interventions
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 May 19, 2026 · Synced May 22, 2026, 3:47 AM EDT
Completed Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Muscle Tension Dysphonia
Interventions
Airflow Exercises for Voicing
Behavioral
Lead sponsor
University of Arkansas
Other
Eligibility
21 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Dec 17, 2013 · Synced May 22, 2026, 3:47 AM EDT
Not listed Not applicable Interventional
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 May 22, 2026, 3:47 AM EDT
Completed Not applicable Interventional
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 May 22, 2026, 3:47 AM EDT
Completed No phase listed Observational
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced May 22, 2026, 3:47 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Paradoxical Vocal Fold Motion, Vocal Cord Dysfunction
Interventions
Biofeedback, Laryngeal control therapy (LCT)
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 21, 2025 · Synced May 22, 2026, 3:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
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 May 22, 2026, 3:47 AM EDT
Recruiting Not applicable Interventional
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 May 22, 2026, 3:47 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 10, 2024 · Synced May 22, 2026, 3:47 AM EDT
Terminated Not applicable Interventional Results available
View directory record Official record
Conditions
Voice Disorder, Vocal Cord Atrophy, Presbyphonia
Interventions
EMST, PhoRTE
Device · Behavioral
Lead sponsor
Emory University
Other
Eligibility
65 Years to 95 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
Atlanta, Georgia • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 29, 2021 · Synced May 22, 2026, 3:47 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Sore Throat, Dysphagia, Dysphonia
Interventions
Standard inflation of LMA cuff, Pressure check with syringe recoil, Pressure check by pressure transducer
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 99 Years
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
2
States / cities
Gainesville, Florida • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 5, 2015 · Synced May 22, 2026, 3:47 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available
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 May 22, 2026, 3:47 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Pharyngitis, Dysphonia
Interventions
Osteopathic Manipulation Treatment, Sham
Procedure
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years and older
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 24, 2018 · Synced May 22, 2026, 3:47 AM EDT