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Showing 1–24 of 85 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Hoarseness Clear all
Not listed No phase listed Observational Accepts healthy volunteers

A Study to Analyze Symptoms Prevalent in Early PD (Dysphonia, Tremor)

NCT04288804
View directory record Official record
Conditions
Parkinson Disease
Interventions
Smartphone microphone sensor, Smartphone accelerometer sensor
Device
Lead sponsor
Goalspal LLC
Other
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Pleasanton, California
Source: ClinicalTrials.gov public record
Updated Aug 2, 2022 · Synced Jun 27, 2026, 2:23 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Withdrawn Phase 2 Interventional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 Jun 27, 2026, 2:23 AM EDT
Recruiting No phase listed Observational

Deep Brain Stimulation for Laryngeal Dystonia: From Mechanism to Optimal Application

NCT05506085
View directory record Official record
Conditions
Laryngeal Dystonia, Adductor Spastic Dysphonia of Dystonia
Interventions
Deep Brain Stimulation
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 70 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2030
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 16, 2025 · Synced Jun 27, 2026, 2:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Laryngeal Vibration for Spasmodic Dysphonia

NCT03746509
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 3, 2025 · Synced Jun 27, 2026, 2:23 AM EDT
Terminated Not applicable Interventional Results available

Retrospective TIF Study for Treatment of Gastroesophageal Reflux Disease (GERD). The RetroTIF Study

NCT01327963
View directory record Official record
Conditions
Gastroesophageal Reflux Disease (GERD)
Interventions
Transoral Incisionless Fundoplication
Device
Lead sponsor
EndoGastric Solutions
Industry
Eligibility
18 Years to 85 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
2
States / cities
Ocala, Florida • Salem, Kentucky
Source: ClinicalTrials.gov public record
Updated Dec 2, 2020 · Synced Jun 27, 2026, 2:23 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 Jun 27, 2026, 2:23 AM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

Translaryngeal Vibration for Hyperfunctional Voice Disorders

NCT07145086
View directory record Official record
Conditions
Dysphonia, Muscle Tension Dysphonia
Interventions
Voice therapy with vibration
Behavioral
Lead sponsor
Texas Christian University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Aug 27, 2025 · Synced Jun 27, 2026, 2:23 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Prophylactic Racemic Epinephrine in Anterior Cervical Discectomy and Fusion

NCT02724761
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 Jun 27, 2026, 2:23 AM EDT
Completed Phase 1 Interventional

Dextromethorphan to Treat Patients With Voice Spasms

NCT00055549
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jun 27, 2026, 2:23 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 Jun 27, 2026, 2:23 AM EDT
Not listed Phase 4 Interventional

Reversal of Botulinum Neurotoxin Injection Related Dysphonia With Pyridostigmine

NCT05110417
View directory record Official record
Conditions
Dysphonia, Spastic, Dysphonia, Laryngeal Dystonia
Interventions
Pyridostigmine Bromide 60 Milligrams (mg)
Drug
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
21 Years to 100 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 26, 2022 · Synced Jun 27, 2026, 2:23 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 Jun 27, 2026, 2:23 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Usability of Vibro-tactile Stimulation to Treat Spasmodic Dysphonia

NCT06111027
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 Jun 24, 2026 · Synced Jun 27, 2026, 2:23 AM EDT
Completed Not applicable Interventional

Serial Platelet-Rich Plasma Injections for Vocal Fold Atrophy, Scar, and/or Sulcus Vocalis

NCT03749863
View directory record Official record
Conditions
Presbylarynx, Atrophy; Larynx, Dysphonia, Vocal Cord Atrophy, Presbylarynges, Vocal Fold Scar, Sulcus Vocalis of Vocal Cord
Interventions
Serial PRP injections
Procedure
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Jun 27, 2026, 2:23 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 Jun 27, 2026, 2:23 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 Jun 27, 2026, 2:23 AM EDT
Recruiting Early Phase 1 Interventional

Project 4: Ambulatory Biofeedback and Voice Therapy for Patients With Vocal Hyperfunction

NCT05970562
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 10, 2025 · Synced Jun 27, 2026, 2:23 AM EDT
Completed Not applicable Interventional

Pulsed Dye Laser in Treating Patients With Post Radiation Dysphonia

NCT02198131
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 25, 2023 · Synced Jun 27, 2026, 2:23 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 Jun 27, 2026, 2:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of Air Stream in Voice Production

NCT00015795
View directory record Official record
Conditions
Spastic Dysphonia, Healthy
Interventions
airway interruption test
Device
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jun 27, 2026, 2:23 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 Jun 27, 2026, 2:23 AM EDT
Not yet recruiting Not applicable Interventional

Assessment of Laryngopharyngeal Sensation: Cancer Survivor Cohort

NCT06078527
View directory record Official record
Conditions
Presbylarynx, Aspiration, Spasmodic Dysphonia, Globus Pharyngeus, Larynx Paralysis, Laryngeal Disease, Vocal Cord Paralysis, Iatrogenic Injury, Sensory Neuropathy
Interventions
Cheung-Bearelly Aesthesiometer, Transnasal Laryngoscopy, Questionnaires
Device · Procedure · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 22, 2025 · Synced Jun 27, 2026, 2:23 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 Jun 27, 2026, 2:23 AM EDT
Terminated Phase 4 Interventional Results available

Dietary Control Alone Versus Dietary Control Plus Use of Proton Pump Inhibitors to Treat Pediatric Hoarseness

NCT00637416
View directory record Official record
Conditions
Dysphonia
Interventions
Lansoprazole, Placebo
Drug · Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
3 Years to 18 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 22, 2017 · Synced Jun 27, 2026, 2:23 AM EDT