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ClinicalTrials.gov public records Last synced Oct 22, 2026, 1:35 AM EDT

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Showing 1–24 of 40 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Phonological Disorder Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

A Developmental Framework For Linking Phonological And Morpho-syntactic Sequential Pattern Rules In DLD: Production

NCT04558541
View directory record Official record
Conditions
Developmental Language Disorder, Speech Sound Disorder, Specific Language Impairment
Interventions
Sensitivity to phonological rules, Sensitivity to semantic category cues.
Other
Lead sponsor
Father Flanagan's Boys' Home
Other
Eligibility
4 Years to 8 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
2
States / cities
Tucson, Arizona • Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Oct 22, 2026, 1:35 AM EDT
Not yet recruiting Not applicable Interventional

Speech Intervention Via Telepractice for Children With Repaired Cleft Palate

NCT07434375
View directory record Official record
Conditions
Cleft Palate Children, Speech Sound Disorder
Interventions
Speech therapy via teleprace, Face-to-face speech therapy
Behavioral
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
5 Years to 11 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 22, 2026, 1:35 AM EDT
Completed Phase 1 Interventional Results available

Comparing Traditional and Biofeedback Telepractice Treatment for Residual Speech Errors

NCT04625062
View directory record Official record
Conditions
Speech Sound Disorder
Interventions
Visual-acoustic biofeedback, Motor-based treatment
Behavioral
Lead sponsor
New York University
Other
Eligibility
9 Years to 15 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Bloomfield, New Jersey • Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Feb 13, 2023 · Synced Oct 22, 2026, 1:35 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 31, 2018 · Synced Oct 22, 2026, 1:35 AM EDT
Recruiting Phase 2 Interventional

Visual-acoustic Intervention With Service Delivery In-person and Via Telepractice Trial

NCT06517225
View directory record Official record
Conditions
Speech Sound Disorder
Interventions
Visual-acoustic biofeedback
Behavioral
Lead sponsor
New York University
Other
Eligibility
9 Years to 17 Years · Female only
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
3
States / cities
Bloomfield, New Jersey • New York, New York • Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Jun 25, 2025 · Synced Oct 22, 2026, 1:35 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

AI-Assisted Treatment for Residual Speech Sound Disorders

NCT05988515
View directory record Official record
Conditions
Speech Sound Disorder
Interventions
Speech-Language Pathologist-led Speech Motor Chaining, Artificial Intelligence-led Speech Motor Chaining (CHAINING-AI)
Behavioral
Lead sponsor
Syracuse University
Other
Eligibility
9 Years to 17 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Oct 22, 2026, 1:35 AM EDT
Terminated Not applicable Interventional

Evaluating the Effectiveness of Hybrid and Traditional Speech Therapy for /ɹ/ and /s/ Sound Production

NCT07061730
View directory record Official record
Conditions
Speech Sound Disorder
Interventions
Traditional Therapy, Hybrid therapy
Behavioral
Lead sponsor
Syracuse University
Other
Eligibility
5 Years to 17 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Oct 22, 2026, 1:35 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Visual Acoustic Biofeedback for RSE Via Telepractice

NCT04858022
View directory record Official record
Conditions
Speech Sound Disorder
Interventions
Visual-Acoustic Biofeedback Treatment, No Treatment
Behavioral · Other
Lead sponsor
Montclair State University
Other
Eligibility
9 Years to 15 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Upper Montclair, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 22, 2026, 1:35 AM EDT
Recruiting Phase 1 Interventional

Treatment Targets in Spanish and English Bilingual Speech Intervention

NCT06416306
View directory record Official record
Conditions
Speech Sound Disorder
Interventions
Speech Intervention
Behavioral
Lead sponsor
Philip Combiths
Other
Eligibility
3 Years to 8 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Sep 5, 2025 · Synced Oct 22, 2026, 1:35 AM EDT
Completed Not applicable Interventional

Anomia Treatment Predictors

NCT06619756
View directory record Official record
Conditions
Anomia (Word-Finding Impairment), Aphasia
Interventions
Phonomotor Treatment (PMT), Phonological Components Analysis (PCA)
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Oct 22, 2026, 1:35 AM EDT
Recruiting No phase listed Observational

Orthognathic Speech Pathology: Phonetic Contrasts of Patients With Dental Discrepancies Pre- and Post-Treatment Analyses

NCT04117360
View directory record Official record
Conditions
Dentofacial Abnormalities, Dentofacial Deformities, Dentofacial Anomalies, Including Malocclusion, Malocclusion, Malocclusion in Children, Dentofacial Disharmony, Skeletal Malocclusion, Skeletal Malformation, Speech Sound Disorder, Speech Disorders
Interventions
Orthognathic surgery and Orthodontics
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
15 Years to 40 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 22, 2026, 1:35 AM EDT
Not listed Not applicable Interventional

Simplified Ultrasound Feedback for Speech Remediation

NCT06366256
View directory record Official record
Conditions
Speech Sound Disorder
Interventions
Traditional ultrasound biofeedback, Simplified ultrasound biofeedback
Behavioral
Lead sponsor
University of Cincinnati
Other
Eligibility
7 Years to 17 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 15, 2024 · Synced Oct 22, 2026, 1:35 AM EDT
Recruiting Not applicable Interventional

Transcranial Alternating Current Stimulation (tACS) for the Recovery of Phonological Short-Term Memory in Patients With Aphasia After Stroke

NCT06048159
View directory record Official record
Conditions
Stroke, Aphasia
Interventions
HD-tACS, Sham HD-tACS
Device
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2033
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 22, 2026, 1:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Framework For Linking Sequential Pattern Rules in DLD: Perception in Toddlers

NCT04531514
View directory record Official record
Conditions
Developmental Language Disorder, Speech Sound Disorder, Specific Language Impairment
Interventions
Sensitivity to phonological rules & referents OR: Toddlers, Sensitivity to phonological rules & referents FR: Toddlers
Other
Lead sponsor
Father Flanagan's Boys' Home
Other
Eligibility
19 Months to 36 Months
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Oct 22, 2026, 1:35 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Language Processing and TMS

NCT05425615
View directory record Official record
Conditions
Stroke, Aphasia, Language
Interventions
Transcranial Magnetic Stimulation
Device
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 85 Years
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2032
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 22, 2026, 1:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Framework For Linking Sequential Pattern Rules in DLD: Perception in Adults

NCT04996472
View directory record Official record
Conditions
Developmental Language Disorder, Speech Sound Disorder, Specific Language Impairment
Interventions
Sensitivity to phonological rules: Adults, Sensitivity to semantic category cues: Adults
Behavioral
Lead sponsor
Father Flanagan's Boys' Home
Other
Eligibility
18 Years to 30 Years
Enrollment
933 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
2
States / cities
Tucson, Arizona • Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Oct 22, 2026, 1:35 AM EDT
Completed Not applicable Interventional Results available

staRt: Enhancing Speech Treatment With Smartphone-delivered Biofeedback

NCT04474691
View directory record Official record
Conditions
Speech Sound Disorder
Interventions
Traditional articulation treatment, Visual-acoustic biofeedback
Behavioral
Lead sponsor
New York University
Other
Eligibility
8 Years to 15 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 3, 2023 · Synced Oct 22, 2026, 1:35 AM EDT
Completed Not applicable Interventional

Multimodal Treatment of Phonological Alexia: Behavioral & fMRI Outcomes

NCT00827268
View directory record Official record
Conditions
Aphasia, Stroke, Dyslexia, Acquired
Interventions
One-on-one treatment of reading difficulties
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 30, 2017 · Synced Oct 22, 2026, 1:35 AM EDT
Completed Not applicable Interventional Results available

Manipulating Linguistic Complexity to Improve Child Language Treatment Outcomes

NCT03977701
View directory record Official record
Conditions
Language Development Disorders, Speech Sound Disorder
Interventions
Phonological treatment, Morpheme treatment
Behavioral
Lead sponsor
San Diego State University
Other
Eligibility
3 Years to 6 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Mar 9, 2023 · Synced Oct 22, 2026, 1:35 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 2, 2017 · Synced Oct 22, 2026, 1:35 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 2, 2017 · Synced Oct 22, 2026, 1:35 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Building Sentences With Preschoolers Who Use AAC

NCT03538925
View directory record Official record
Conditions
Down Syndrome, Speech and Language Disorder, Speech Disorders in Children, Speech Intelligibility, Speech Sound Disorder
Interventions
AAC Generative Language Intervention, Standard of Care / Business as Usual
Behavioral
Lead sponsor
University of Central Florida
Other
Eligibility
3 Years to 4 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
2
States / cities
Orlando, Florida • Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jan 8, 2024 · Synced Oct 22, 2026, 1:35 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 9, 2025 · Synced Oct 22, 2026, 1:35 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Neural Indices of Intervention Outcomes in Children With Speech Sound Disorders

NCT03623100
View directory record Official record
Conditions
Speech Sound Disorder
Interventions
Speech Production Treatment., Speech Production + Speech Perception Treatment.
Behavioral
Lead sponsor
Idaho State University
Other
Eligibility
4 Years to 6 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2026
U.S. locations
1
States / cities
Meridian, Idaho
Source: ClinicalTrials.gov public record
Updated May 9, 2025 · Synced Oct 22, 2026, 1:35 AM EDT