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Showing 25–40 of 16 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Phonological Disorder Clear all
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 8, 2025 · Synced Sep 23, 2026, 5:51 PM EDT
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 26, 2025 · Synced Sep 23, 2026, 5:51 PM 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 23, 2026, 5:51 PM 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 23, 2026, 5:51 PM EDT
Active, not recruiting Not applicable Interventional

Dose Frequency RCT on DTTC in Children With CAS

NCT05675306
View directory record Official record
Conditions
Childhood Apraxia of Speech
Interventions
Dynamic Temporal and Tactile Cueing Treatment
Behavioral
Lead sponsor
Marquette University
Other
Eligibility
30 Months to 95 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 20, 2025 · Synced Sep 23, 2026, 5:51 PM 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 23, 2026, 5:51 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Phonological Treatment Paired With Intensive Speech Therapy Promotes Reading Recovery in Chronic Aphasia

NCT02799017
View directory record Official record
Conditions
Aphasia, Language
Interventions
Intensive Phonology Treatment, Intensive SFA Treatment
Other
Lead sponsor
Austin Speech Labs
Other
Eligibility
20 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 23, 2026, 5:51 PM EDT
Completed Not applicable Interventional

Therapy for Reading Problems in Adults After Brain Injury

NCT00064805
View directory record Official record
Conditions
Dyslexia, Acquired, Brain Injuries, Cerebrovascular Accident
Interventions
Cognitive Therapy to Improve Reading
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 14, 2014 · Synced Sep 23, 2026, 5:51 PM 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 Sep 23, 2026, 5:51 PM 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 8, 2023 · Synced Sep 23, 2026, 5:51 PM EDT
Completed Not applicable Interventional Results available

Phonomotor Treatment of Word Retrieval Deficits in Individuals With Aphasia

NCT01163461
View directory record Official record
Conditions
Aphasia
Interventions
speech therapy
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 80 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 30, 2017 · Synced Sep 23, 2026, 5:51 PM EDT
Completed Phase 1 Interventional

Ultrasound Biofeedback for Speech Sound Disorders

NCT01905449
View directory record Official record
Conditions
Speech Sound Disorders
Interventions
Ultrasound visual feedback
Behavioral
Lead sponsor
Yale University
Other
Eligibility
8 Years to 50 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 2, 2020 · Synced Sep 23, 2026, 5:51 PM 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 2, 2023 · Synced Sep 23, 2026, 5:51 PM 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 Sep 23, 2026, 5:51 PM 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 Aug 27, 2026 · Synced Sep 23, 2026, 5:51 PM 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 23, 2026, 5:51 PM EDT