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ClinicalTrials.gov public records Last synced Nov 14, 2026, 8:58 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–21 of 21 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: voice acoustics Clear all

Conditions: Vocal Fold Nodules
Interventions: Adventures in Voice: Pediatric Voice Therapy; Behavioral
Lead sponsor: University of Pittsburgh; Other
Eligibility: 4 Years to 11 Years
Enrollment: 12 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015
U.S. locations: 2
States / cities: Pittsburgh, Pennsylvania

Conditions: Depressive Disorder, Major
Interventions: electronic diary, Sertraline, Placebo, voice acoustics; Procedure · Drug
Lead sponsor: Pfizer; Industry
Eligibility: 18 Years to 65 Years
Enrollment: 165 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2007
U.S. locations: 12
States / cities: Norwich, Connecticut • Aventura, Florida • Jacksonville, Florida + 7 more

Conditions: Dysphonia
Interventions: Online Voice quality education module, Vocal hygiene module; Other
Lead sponsor: NYU Langone Health; Other
Eligibility: 18 Years to 100 Years
Enrollment: 42 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2024
U.S. locations: 1
States / cities: New York, New York

Conditions: Phonotrauma
Interventions: Acoustic voice analysis, High-speed videoendoscopy; Diagnostic Test
Lead sponsor: University of Texas Southwestern Medical Center; Other
Eligibility: 18 Years to 65 Years
Enrollment: 100 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2026
U.S. locations: 1
States / cities: Dallas, Texas

Conditions: Voice Disorders
Interventions: Microlaryngoscopy, Voice Evaluation, Airway Reconstruction; Procedure
Lead sponsor: Children's Hospital Medical Center, Cincinnati; Other
Eligibility: 3 Years to 30 Years
Enrollment: 2 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2016 – 2019
U.S. locations: 1
States / cities: Cincinnati, Ohio

Conditions: Cochlear Implants
Interventions: Cochlear Implants; Device
Lead sponsor: Father Flanagan's Boys' Home; Other
Eligibility: 19 Years to 80 Years
Enrollment: 8 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2022
U.S. locations: 1
States / cities: Omaha, Nebraska

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: Prader-Willi Syndrome
Interventions: Safe and Sound Protocol; Behavioral
Lead sponsor: Indiana University; Other
Eligibility: 3 Years to 17 Years
Enrollment: 10 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019
U.S. locations: 1
States / cities: Aurora, Colorado

Conditions: Depression
Interventions: Not listed
Lead sponsor: Boston Medical Center; Other
Eligibility: 18 Years and older
Enrollment: 89 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009 – 2011
U.S. locations: 2
States / cities: Boston, Massachusetts

Conditions: Vocal Cord Atrophy
Interventions: Cone Beam Computed Tomography, Acoustic/Auerodynamic testing, Laryngovideostroboscopy; Other · Diagnostic Test
Lead sponsor: Duke University; Other
Eligibility: 65 Years to 80 Years
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2020
U.S. locations: 1
States / cities: Durham, North Carolina

Conditions: Transgender Women, Voice Alteration
Interventions: Visual-acoustic biofeedback: experimental; Behavioral
Lead sponsor: University of Cincinnati; Other
Eligibility: 18 Years and older · Male only
Enrollment: 6 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025
U.S. locations: 1
States / cities: Cincinnati, Ohio

Conditions: Parkinson Disease, Atypical Parkinsonism
Interventions: Behavioral speech strategies + speech amplification; Behavioral
Lead sponsor: Michigan State University; Other
Eligibility: 50 Years and older
Enrollment: 100 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2028
U.S. locations: 1
States / cities: East Lansing, Michigan

Conditions: Voice Disorders
Interventions: C2 (200mg of caffeine; 1/2 L of water), C3(200mg of caffeine; 1 L of water), C1 (200mg of caffeine, no water), Placebo (no caffeine, no water).; Drug
Lead sponsor: Southern Illinois University Carbondale; Other
Eligibility: 18 Years to 35 Years
Enrollment: 80 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010 – 2013
U.S. locations: 1
States / cities: Carbondale, Illinois

Conditions: PTSD - Post Traumatic Stress Disorder
Interventions: Frequency Filtered Music, Unfiltered Music, Cognitive Processing Therapy for PTSD; Other · Behavioral
Lead sponsor: Ohio State University; Other
Eligibility: 18 Years and older
Enrollment: 100 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2028
U.S. locations: 2
States / cities: Columbus, Ohio • Dayton, Ohio

Conditions: Attention Deficit Hyperactivity Disorder (ADHD)
Interventions: Voice of Sleep "MamaBee" training modules (Fairy Tales); Device
Lead sponsor: Pisareva Citadel Group LLC; Other
Eligibility: 8 Years to 18 Years
Enrollment: 2 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026 – 2027
U.S. locations: 1
States / cities: NewYork, New York

Conditions: Deglutition Disorder
Interventions: Not listed
Lead sponsor: University of Nebraska; Other
Eligibility: 19 Years to 60 Years
Enrollment: 30 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2018
U.S. locations: 1
States / cities: Omaha, Nebraska

Conditions: Parkinson Disease, Cognitive Impairment, Mild, Speech
Interventions: Cognitive Battery, Voice, Speech and Language Analysis, Questionnaires and Clinical Assessments, DNA Analysis; Diagnostic Test · Behavioral · Genetic
Lead sponsor: University of Massachusetts, Worcester; Other
Eligibility: 18 Years and older
Enrollment: 58 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2020 – 2025
U.S. locations: 1
States / cities: Worcester, Massachusetts

Conditions: Presbyphonia
Interventions: PhoRTE Program, University of California Los Angeles (UCLA) Loneliness Scale, Social Disconnectedness Scale, Patient Health Questionnaire 9, Aging Voice Index, The Edmonton Frail Scale, Vocal Effort Scale, Montreal Cognitive Assessment, Voice Handicap Index-10, Voice Problem Impact Scales, Cough Severity Index, Laryngoscopy, Acoustic, perceptual, and aerodynamic assessments; Other · Procedure
Lead sponsor: Matthew R. Hoffman; Other
Eligibility: 65 Years and older
Enrollment: 25 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2026
U.S. locations: 1
States / cities: Iowa City, Iowa

Conditions: Voice Disorders
Interventions: Not listed
Lead sponsor: Southern Illinois University Carbondale; Other
Eligibility: 18 Years and older
Enrollment: 8 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2018
U.S. locations: 1
States / cities: Carbondale, Illinois

Conditions: Prader-Willi Syndrome
Interventions: Listening Project Protocol; Behavioral
Lead sponsor: Indiana University; Other
Eligibility: 13 Years to 25 Years
Enrollment: 5 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2023
U.S. locations: 1
States / cities: Brewster, Massachusetts

Conditions: Auditory Perceptual Disorders, Stress Disorder
Interventions: Listening Project Protocol; Behavioral
Lead sponsor: University of North Carolina, Chapel Hill; Other
Eligibility: 6 Years to 17 Years
Enrollment: 15 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2018
U.S. locations: 1
States / cities: Los Angeles, California

Search by objective public record fields.

Prospective Study of Voice Therapy in Children: A Pilot Study

Study for Evaluating Different Methods of Measuring Depression Treatment Response

Assessing the Effects of Patient Self-Rating of Voice Quality on Voice Therapy Attendance and Outcomes

Patients With and Without Phonotrauma

Development of Imaging Biomarkers for Voice After Pediatric Airway Reconstruction

Stream Segregation and Speech Recognition in Noise in Individuals With Cochlear Implants

Characterization of Clinical Phenotypes of Laryngeal Dystonia and Voice Tremor

Home-based SSP on Individuals With PWS

Use of Conversation and Acoustic Signals in Measuring Depression Severity

Modeling the Effects of Vocal Cord Atrophy on Airflow and Voice Quality in Elderly Individuals

Gender-affirming Voice Training With Visual Feedback

Speech Amplification Devices for Parkinson Disease: Talker- and Technology-Driven Enhancements

Interaction of Caffeine and Hydration on Voice

A Frequency-Modulated Music Intervention to Enhance Cognitive Processing Therapy (CPT) for PTSD

Methodology of Super-Early Training of Developer Engineers and Leading Analysts With a Diagnosis of ADHD/ASD for Ensuring the Engineering Sovereignty of the State: Time Horizon: 2026-2038-2050

Effect of Different Viscous Foods and Liquids on Swallowing Sounds

Speech, Linguistic and Acoustic Markers in Parkinson's Disease

Characterizing the Impact of Presbyphonia on Social Interaction

Vocal Demands Among Classroom Teachers

Optimizing the Social Engagement System in Prader-Willi Syndrome: Insights From the Polyvagal Theory

The Listening Project at Reiss-Davis/Vista Del Mar Child and Family Services