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 Sep 25, 2026, 9:10 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.
Local D1 index available.
Filters: Condition: Articulation Disorder Clear all
Completed Not applicable Interventional

Intensive Dysarthria Sessions in Adults and Children With Down Syndrome

NCT01684670
View directory record Official record
Conditions
Dysarthria, Down Syndrome
Interventions
Speech sessions
Behavioral
Lead sponsor
Duke University
Other
Eligibility
8 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 22, 2016 · Synced Sep 25, 2026, 9:10 AM EDT
Recruiting Not applicable Interventional

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

NCT07599696
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Sep 25, 2026, 9:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study of Brain Activity During Speech Production and Speech Perception

NCT00004991
View directory record Official record
Conditions
Developmental Articulation Disorder, Stuttering
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
6 Years to 65 Years
Enrollment
411 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 25, 2026, 9:10 AM EDT
Recruiting Not applicable Interventional

Treatment for /s/ Production Errors in Children With Speech Sound Errors

NCT07214480
View directory record Official record
Conditions
Speech Sound Disorder
Interventions
Motor-based speech treatment
Behavioral
Lead sponsor
Syracuse University
Other
Eligibility
7 Years to 11 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Oct 8, 2025 · Synced Sep 25, 2026, 9:10 AM EDT
Completed Not applicable Interventional

Evaluating the Efficacy of Opti-Speech for Speech Treatment

NCT02705326
View directory record Official record
Conditions
Articulation Disorder, Dysarthria, Prelingual Deafness
Interventions
Opti-Speech
Device
Lead sponsor
Vulintus, Inc.
Industry
Eligibility
12 Years to 85 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
2
States / cities
Cleveland, Ohio • Richardson, Texas
Source: ClinicalTrials.gov public record
Updated Dec 30, 2018 · Synced Sep 25, 2026, 9:10 AM EDT
Completed No phase listed Observational

The Effect of Oral Candidiasis on the Speech Production, Feeding Skills, and Self-Concept of Children and Adolescents With Symptomatic HIV Infection

NCT00001448
View directory record Official record
Conditions
Candidiasis, Oral, Eating Disorders, HIV Infections, Speech Disorders
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 25, 2026, 9:10 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Delineation of Sensorimotor Subtypes Underlying Residual Speech Errors

NCT03736213
View directory record Official record
Conditions
Speech Sound Disorder
Interventions
Visual-acoustic biofeedback, Ultrasound biofeedback
Behavioral
Lead sponsor
New York University
Other
Eligibility
9 Years to 15 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
3
States / cities
Bloomfield, New Jersey • New York, New York • Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Dec 10, 2023 · Synced Sep 25, 2026, 9:10 AM EDT
Active, not recruiting Not applicable Interventional

Dysarthria Management for Minor Groups

NCT06593860
View directory record Official record
Conditions
Parkinson Disease, Dysarthria
Interventions
Remote speech rehabilitation
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
25 Years to 85 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 25, 2026, 9:10 AM EDT
Completed Not applicable Interventional Results available

An RCT of a Telemedicine Intervention for Hypokinetic Dysarthria in PD

NCT04617496
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Combined speech and exercise intervention, Health education
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years to 89 Years
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 25, 2026, 9:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Intelligibility Assessment for Parkinson's Disease

NCT04829006
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 Sep 25, 2026, 9:10 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Role of Cerebellum in Speech

NCT03972202
View directory record Official record
Conditions
Cerebellar Ataxia, Dysarthria, Healthy
Interventions
MRI, TMS, Speech-motor behavioral testing
Diagnostic Test · Device · Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 75 Years
Enrollment
660 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2030
U.S. locations
3
States / cities
Berkeley, California • San Francisco, California • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 23, 2025 · Synced Sep 25, 2026, 9:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of Voice Treatment for Parkinson's Disease

NCT00123084
View directory record Official record
Conditions
Parkinson's Disease, Dysphagia, Dysarthria
Interventions
Voice/Respiration Treatment, Speech/Articulation Treatment
Behavioral
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
45 Years to 85 Years
Enrollment
620 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2012
U.S. locations
2
States / cities
Denver, Colorado • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 30, 2018 · Synced Sep 25, 2026, 9:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Perceptual Training to Improve Listeners' Ability to Understand Speech Produced by Individuals With Dysarthria

NCT04897711
View directory record Official record
Conditions
Dysarthria, Intelligibility, Speech
Interventions
Perceptual Training
Behavioral
Lead sponsor
Utah State University
Other
Eligibility
18 Years to 80 Years
Enrollment
217 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
Tallahassee, Florida • Logan, Utah
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 25, 2026, 9:10 AM EDT
Completed Not applicable Interventional

Emotional Prosody Treatment in Parkinson's

NCT01956266
View directory record Official record
Conditions
Parkinson Disease
Interventions
Emotional prosodic treatment
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
45 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 17, 2019 · Synced Sep 25, 2026, 9:10 AM EDT
Recruiting Not applicable Interventional

Speech and Arm Combined Exergame

NCT06817941
View directory record Official record
Conditions
Cerebral Palsy (CP), Dysarthria
Interventions
Speech only, Hand/Arm only, Speech and arm combined
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
8 Years to 17 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 25, 2026, 9:10 AM EDT
Recruiting Not applicable Interventional

Feasibility of the BrainGate2 Neural Interface System in Persons With Tetraplegia (BG-Speech-02)

NCT06094205
View directory record Official record
Conditions
Anarthria, Dysarthria, Tetraplegia, Spinal Cord Injuries, Amyotrophic Lateral Sclerosis, Brain Stem Infarctions, Locked-in Syndrome, Muscular Dystrophies
Interventions
BrainGate Neural Interface System
Device
Lead sponsor
Leigh R. Hochberg, MD, PhD.
Other
Eligibility
18 Years to 80 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Nov 30, 2025 · Synced Sep 25, 2026, 9:10 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Cochlear Implants in Young Children With SSD

NCT05775367
View directory record Official record
Conditions
Single Sided Deafness, Unilateral Deafness, Hearing Loss, Unilateral, Hearing Loss, Congenital Hearing Loss, Deafness One Ear
Interventions
Cochlear Implant
Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
7 Months to 71 Months
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2030
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Sep 25, 2026, 9:10 AM EDT
Recruiting Not applicable Interventional

Connect-One: Early Feasibility Study of Connexus® Brain-Computer Interface (BCI)

NCT07357428
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis, Neuromuscular Disease, Stroke, Tetraplegia/Tetraparesis, Cervical Spinal Cord Injury, Dysarthria
Interventions
Connexus Brain-Computer Interface
Device
Lead sponsor
Paradromics
Industry
Eligibility
22 Years to 75 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
3
States / cities
Sacramento, California • Boston, Massachusetts • Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Sep 25, 2026, 9:10 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Cognitive Reserve and Response to Speech-Language Intervention in Bilingual Speakers With Primary Progressive Aphasia

NCT05741853
View directory record Official record
Conditions
Primary Progressive Aphasia, Dementia, Dementia, Frontotemporal, Alzheimer Disease, Neurodegenerative Diseases, Frontotemporal Lobar Degeneration, Apraxia, Motor, Dysarthria, Communication Disorders, Language Disorders, Speech Disorders, Neurocognitive Disorders, Aphasia, Bilingual Aphasia
Interventions
Video-Implemented Script Training for Aphasia (VISTA), Lexical Retrieval Training (LRT)
Behavioral
Lead sponsor
Stephanie Grasso
Other
Eligibility
40 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Sep 25, 2026, 9:10 AM EDT
Completed No phase listed Observational

Effects of Sleep Deprivation and Recovery on Cognitive Functions

NCT00179322
View directory record Official record
Conditions
Sleep Deprivation
Interventions
Not listed
Lead sponsor
National Institute on Deafness and Other Communication Disorders (NIDCD)
NIH
Eligibility
20 Years to 40 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Sep 25, 2026, 9:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Ultrasound Evaluation of Tongue Movements in Speech and Swallowing

NCT00001167
View directory record Official record
Conditions
Otorhinolaryngologic Disease, Otorhinolaryngologic Neoplasm, Pharyngeal Neoplasm, Polymyositis, Speech Disorder
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
Not listed
Enrollment
570 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1979 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 25, 2026, 9:10 AM EDT
Not yet recruiting Not applicable Interventional

Early Intervention in Infants With Unrepaired Cleft Palate: Language, Palatal Function, and Articulation.

NCT07219901
View directory record Official record
Conditions
Cleft Lip and Cleft Palate, Cleft Lip Palate, Cleft Lip and/or Palate, Cleft Palate, Cleft Palate Children, Cleft Palates, Cleft Palate Repair
Interventions
Early intervention for language, articulation and palatal function skills
Behavioral
Lead sponsor
Old Dominion University
Other
Eligibility
6 Months to 12 Months
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 21, 2025 · Synced Sep 25, 2026, 9:10 AM EDT
Recruiting Not applicable Interventional

BiOfeedback, Online for Sibilant Treatment

NCT07041723
View directory record Official record
Conditions
Speech Sound Disorder
Interventions
Visual-acoustic biofeedback for Sibilants
Behavioral
Lead sponsor
Montclair State University
Other
Eligibility
8 Years to 17 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Bloomfield, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 25, 2026, 9:10 AM EDT
Completed No phase listed Observational

Screening in Oculopharyngeal Muscular Dystrophy

NCT02877784
View directory record Official record
Conditions
Oculopharyngeal Muscular Dystrophy
Interventions
Videofluoroscopic swallowing study, Functional Oral Intake Scale, Eating Assessment Tool-10
Procedure · Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 26, 2020 · Synced Sep 25, 2026, 9:10 AM EDT