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Showing 25–40 of 16 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Phonological Disorder Clear all
Recruiting Not applicable Interventional

Measuring Aided Language Development

NCT06512168
View directory record Official record
Conditions
Down Syndrome, Cerebral Palsy, Apraxia of Speech, Speech Sound Disorder, Speech Disorders in Children, Speech and Language Disorder
Interventions
AAC Generative Language Intervention
Behavioral
Lead sponsor
University of Central Florida
Other
Eligibility
42 Months to 60 Months
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated May 15, 2025 · Synced Jul 23, 2026, 6:06 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, 6:06 AM EDT
Completed Not applicable Interventional Results available

Treating Childhood Apraxia of Speech

NCT03238677
View directory record Official record
Conditions
Childhood Apraxia of Speech
Interventions
Speech Motor Chaining without Biofeedback, Biofeedback, Distributed Practice, Massed --> Distributed Practice
Behavioral
Lead sponsor
Syracuse University
Other
Eligibility
9 Years to 17 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Jun 21, 2023 · Synced Jul 23, 2026, 6:06 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 26, 2025 · Synced Jul 23, 2026, 6:06 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, 6:06 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, 6:06 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 26, 2026 · Synced Jul 23, 2026, 6:06 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 9, 2026 · Synced Jul 23, 2026, 6:06 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, 6:06 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, 6:06 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, 6:06 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 11, 2026 · Synced Jul 23, 2026, 6:06 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 7, 2024 · Synced Jul 23, 2026, 6:06 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 Jul 23, 2026, 6:06 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 12, 2023 · Synced Jul 23, 2026, 6:06 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 11, 2025 · Synced Jul 23, 2026, 6:06 AM EDT