Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jul 21, 2026, 11:14 AM EDT

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

Showing 1–24 of 85 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Dysphonia Clear all
Completed No phase listed Observational Accepts healthy volunteers

Computational Cranial and Cervical Muscle Network in Normal and Disordered Voice

NCT04713033
View directory record Official record
Conditions
Dysphonia
Interventions
surface electromyogram (sEMG), flexible laryngoscopy
Diagnostic Test
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 88 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 30, 2025 · Synced Jul 21, 2026, 11:14 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Investigation of the Role of Steroids in Enhancing Voice Therapy Outcomes

NCT02286960
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 11, 2020 · Synced Jul 21, 2026, 11:14 AM EDT
Completed Not applicable Interventional Results available

Assessment of Laryngopharyngeal Sensation in Adductor Spasmodic Dysphonia

NCT05158179
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 Jul 21, 2026, 11:14 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 Jul 21, 2026, 11:14 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 Jul 21, 2026, 11:14 AM EDT
Completed Phase 2 Interventional

Firdapse for Post-BOTOX Vocal Weakness

NCT05123053
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Jul 21, 2026, 11:14 AM EDT
Terminated Phase 4 Interventional Results available

Safety and Efficacy of Lansoprazole 30mg Twice Daily in Treatment of Laryngitis Associated With Gastroesophageal Reflux

NCT00369265
View directory record Official record
Conditions
Laryngopharyngeal Reflux
Interventions
Lansoprazole, Sugar pill
Drug · Dietary Supplement
Lead sponsor
American Institute for Voice and Ear Research
Other
Eligibility
18 Years to 89 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
3
States / cities
Detroit, Michigan • Philadelphia, Pennsylvania • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 23, 2012 · Synced Jul 21, 2026, 11:14 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
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 Jul 21, 2026, 11:14 AM EDT
Recruiting Not applicable Interventional

Deconstructing Voice Therapy: Towards Enhanced Communication Outcomes

NCT07176988
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 19, 2025 · Synced Jul 21, 2026, 11:14 AM EDT
Completed Not applicable Interventional

Biofeedback vs Laryngeal Control Therapy in Management of Paradoxical Vocal Fold Motion

NCT05770518
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 Jul 21, 2026, 11:14 AM EDT
Completed Phase 2 Interventional Results available

Controlled Study to Evaluate the Safety and Efficacy of Azficel-T for Vocal Fold Scarring and Age-Related Dysphonia

NCT02120781
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 2, 2021 · Synced Jul 21, 2026, 11:14 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 Jul 14, 2026 · Synced Jul 21, 2026, 11:14 AM EDT
Withdrawn No phase listed Observational

Examining the Spasmodic Dysphonia Diagnosis and Assessment Procedure (SD-DAP) for Measuring Symptom Change

NCT02061943
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 Jul 21, 2026, 11:14 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

A Personalized Voice Restoration Device for Patients With Laryngectomy

NCT05479643
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 Jun 15, 2026 · Synced Jul 21, 2026, 11:14 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 Jul 21, 2026, 11:14 AM EDT
Recruiting Phase 4 Interventional

The Mechanism Versus PPI Trial

NCT06999577
View directory record Official record
Conditions
Laryngopharyngeal Reflux, Cough, Throat Clearing, Dysphonia, Reflux
Interventions
Omeprazole 40 MG, Laryngeal Recalibration Therapy, GERD Lifestyle Recommendations
Drug · Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 89 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
San Deigo, California
Source: ClinicalTrials.gov public record
Updated Jul 31, 2025 · Synced Jul 21, 2026, 11:14 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

The Use of Osteopathic Medical Manipulation to Decrease the Incidence and Severity of Post-Operative Sore Throat

NCT03720301
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 Jul 21, 2026, 11:14 AM EDT
Terminated Not applicable Interventional

Quantifying Effects of Treatment of Pediatric Dysphonia

NCT00237679
View directory record Official record
Conditions
Voice Disorders, Gastroesophageal Reflux
Interventions
Neuromuscular Electrical Stimulation, Unstimulated
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
6 Years to 11 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 13, 2015 · Synced Jul 21, 2026, 11:14 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Effects of Octanoic Acid for Treatment of Essential Voice Tremor

NCT01864525
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 19, 2018 · Synced Jul 21, 2026, 11:14 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 Jul 21, 2026, 11:14 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 Jul 21, 2026, 11:14 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 Jul 21, 2026, 11:14 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 Jul 21, 2026, 11:14 AM EDT
Completed No phase listed Observational

Sensory Function in Idiopathic Voice Disorders

NCT00001922
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 21, 2026, 11:14 AM EDT