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ClinicalTrials.gov public records Last synced Jul 23, 2026, 11:16 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Articulation Disorder Clear all
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 Jul 23, 2026, 11:16 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 Jul 23, 2026, 11:16 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 Jul 23, 2026, 11:16 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 Jul 23, 2026, 11:16 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 Jul 23, 2026, 11:16 AM EDT
Recruiting Not applicable Interventional

Feasibility of the BrainGate2 Neural Interface System in Persons With Tetraplegia

NCT05724173
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
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
Stanford, California • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Jul 23, 2026, 11:16 AM EDT
Completed Phase 1 Interventional

Improve Speech Using an In-the-ear Device in Parkinson's Disease

NCT00488657
View directory record Official record
Conditions
Parkinson's Disease, Dysarthria
Interventions
SpeechEasy Model ITC
Device
Lead sponsor
Rush University Medical Center
Other
Eligibility
25 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 17, 2013 · Synced Jul 23, 2026, 11:16 AM EDT
Terminated Not applicable Interventional

Post Approval Study: NOVATION Ceramic Articulation Hip System

NCT00715143
View directory record Official record
Conditions
Total Hip Replacement (Non-inflammatory)
Interventions
Novation Ceramic
Device
Lead sponsor
Exactech
Industry
Eligibility
21 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2021
U.S. locations
5
States / cities
Fort Lauderdale, Florida • Cumming, Georgia • Worcester, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2022 · Synced Jul 23, 2026, 11:16 AM EDT
Recruiting Not applicable Interventional

VOICE: An Early Feasibility Study of a Precise Robotically Implanted Brain-Computer Interface for Communication Restoration

NCT07224256
View directory record Official record
Conditions
Tetraplegia/Tetraparesis, Quadriplegia, Cervical Spinal Cord Injury, Amyotrophic Lateral Sclerosis, Quadriplegia/Tetraplegia, Tetraplegic; Paralysis, Stroke
Interventions
N1 Implant, R1 Robot
Device
Lead sponsor
Neuralink Corp
Industry
Eligibility
22 Years to 75 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 3, 2025 · Synced Jul 23, 2026, 11:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pediatric Speech Therapy Session Frequency and Speech Outcomes

NCT05900180
View directory record Official record
Conditions
Speech Therapy, Language Disorders in Children, Articulation Disorders in Children, Communication Disorder, Childhood, Pediatric, Mode of Therapy, Frequency of Therapy
Interventions
Speech Therapy
Behavioral
Lead sponsor
Connecticut Children's Medical Center
Other
Eligibility
18 Months to 16 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Jul 23, 2026, 11:16 AM EDT
Recruiting Not applicable Interventional

Project PAIR: Parent-implemented Articulation Intervention With Recast

NCT06936696
View directory record Official record
Conditions
Hearing Impaired Children
Interventions
Broad Target Speech Recast, Traditional Speech Therapy
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
4 Years to 10 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 28, 2025 · Synced Jul 23, 2026, 11:16 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 Jul 23, 2026, 11:16 AM EDT
Recruiting Not applicable Interventional

Listener Training for Improved Intelligibility of People With Parkinson's Disease

NCT06815263
View directory record Official record
Conditions
Dysarthria, Hypokinetic
Interventions
Listener Training
Behavioral
Lead sponsor
Utah State University
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
2
States / cities
Tallahassee, Florida • Logan, Utah
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Jul 23, 2026, 11:16 AM EDT
Recruiting Phase 2 Interventional

Generalization With AI Navigation Using StaRt

NCT06884943
View directory record Official record
Conditions
Speech Sound Disorder
Interventions
AI-guided maintenance training with visual-acoustic biofeedback, Treatment as Usual (TAU)
Behavioral
Lead sponsor
New York University
Other
Eligibility
9 Years to 17 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
2
States / cities
Bloomfield, New Jersey • Syracuse, New York
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Jul 23, 2026, 11:16 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Characteristics of Idiopathic Familial Speech Disorders

NCT00001551
View directory record Official record
Conditions
Developmental Articulation Disorder, Speech Disorder, Stuttering
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
375 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1996
U.S. locations
2
States / cities
College Park, Maryland • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 23, 2026, 11:16 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 Jul 23, 2026, 11:16 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Central Mechanisms in Speech Motor Control Studied With H215O PET

NCT00001308
View directory record Official record
Conditions
Communication Disorder, Healthy, Stuttering, Tourette Syndrome, Voice Disorder
Interventions
Not listed
Lead sponsor
National Institute on Deafness and Other Communication Disorders (NIDCD)
NIH
Eligibility
18 Years to 85 Years
Enrollment
1,163 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1992 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Jul 23, 2026, 11:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Systematic Investigation of Phonetic Complexity Effects on Articulatory Motor Performance in Progressive Dysarthria

NCT03613038
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis, Parkinson Disease
Interventions
Phonetic complexity effects on speech motor performance
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
19 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
2
States / cities
Fairway, Kansas • Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated May 16, 2022 · Synced Jul 23, 2026, 11:16 AM EDT
Recruiting Not applicable Interventional

Online Rotating Delivery of Perception/Production Enhanced Treatment for Rhotics

NCT06969521
View directory record Official record
Conditions
Speech Sound Disorder
Interventions
Visual acoustic biofeedback: ORDER, Perception Training: ORDER
Behavioral
Lead sponsor
Montclair State University
Other
Eligibility
8 Years to 17 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Montclair, New Jersey
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Jul 23, 2026, 11:16 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 Jul 23, 2026, 11:16 AM EDT
Active, not recruiting Not applicable Interventional

HD-tDCS for Phonological Impairment in Aphasia

NCT06010030
View directory record Official record
Conditions
Aphasia, Stroke
Interventions
Targeted Transcranial Direct Current Stimulation, Speech Therapy
Device · Behavioral
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 85 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2033
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Jul 23, 2026, 11:16 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 Jul 23, 2026, 11:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Correcting Residual Errors With Spectral, Ultrasound, Traditional Speech Therapy

NCT03737318
View directory record Official record
Conditions
Speech Sound Disorder
Interventions
Biofeedback-ultrasound, Biofeedback--visual-acoustic, Traditional articulation treatment
Behavioral
Lead sponsor
New York University
Other
Eligibility
9 Years to 15 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
2
States / cities
Bloomfield, New Jersey • Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Jan 4, 2026 · Synced Jul 23, 2026, 11:16 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Multidimensional Study on Articulation Deficits in Parkinsons Disease

NCT05754086
View directory record Official record
Conditions
Parkinson Disease, Dysarthria, Hypokinetic
Interventions
Clear Speech, Less Clear Speech
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Aug 26, 2024 · Synced Jul 23, 2026, 11:16 AM EDT