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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Language Developmental Disorders Clear all
Completed No phase listed Observational Accepts healthy volunteers

Development of Normative Ultrasound Databases of Tongue Surface Configuration

NCT00001218
View directory record Official record
Conditions
Healthy, Speech Disorders
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
Not listed
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1987 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 21, 2026, 9:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Video Assisted Speech Technology to Enhance Motor Planning for Speech

NCT04764539
View directory record Official record
Conditions
Autism Spectrum Disorder, Apraxia of Speech
Interventions
Video Assisted Speech Therapy (VAST)
Behavioral
Lead sponsor
iTherapy, LLC
Other
Eligibility
4 Years to 8 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Vallejo, California
Source: ClinicalTrials.gov public record
Updated May 8, 2023 · Synced Jul 21, 2026, 9:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Retrieval-Based Word Learning in Developmental Language Disorder During Book Reading

NCT06026124
View directory record Official record
Conditions
Developmental Language Disorder, Specific Language Impairment, Language Development
Interventions
Retrieval-based word learning: Repeated Spaced Retrieval condition, Retrieval-based word learning: Repeated Study condition
Behavioral
Lead sponsor
Purdue University
Other
Eligibility
48 Months to 71 Months
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
2
States / cities
Indianapolis, Indiana • West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Jul 21, 2026, 9:30 PM EDT
Completed Not applicable Interventional Results available

Kindergarten Children Acquiring Words Through Storybook Reading

NCT03586479
View directory record Official record
Conditions
Language Development Disorders
Interventions
Interactive storybook reading
Behavioral
Lead sponsor
University of Kansas
Other
Eligibility
5 Years to 6 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Lawrence, Kansas
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Jul 21, 2026, 9:30 PM EDT
Completed Not applicable Interventional

A Randomized Clinical Trial for Toddlers With ASD

NCT01008800
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Social communication
Behavioral
Lead sponsor
Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
Other
Eligibility
22 Months to 33 Months
Enrollment
196 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 9, 2021 · Synced Jul 21, 2026, 9:30 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 Jul 21, 2026, 9:30 PM EDT
Recruiting Not applicable Interventional

Peer Interventions for Preschoolers With Autism

NCT05799599
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Stay-Play-Talk Basic, Stay-Play-Talk Plus, Stay-Play-Talk Advanced
Behavioral
Lead sponsor
University of Kansas
Other
Eligibility
3 Years to 6 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
2
States / cities
Kansas City, Kansas • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 27, 2024 · Synced Jul 21, 2026, 9:30 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Development and Assessment of a Spanish-Language Hearing Loss Toolkit for Self-Management

NCT04534387
View directory record Official record
Conditions
Hearing Loss
Interventions
Spanish-Language Hearing Loss Toolkit for Self-Management, American Speech-Language-Hearing Association (ASHA) Audiology Series Spanish Language Handouts
Other
Lead sponsor
University of South Florida
Other
Eligibility
50 Years and older
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 8, 2023 · Synced Jul 21, 2026, 9:30 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Training Inner Speech in Children With Developmental Language Disorder

NCT06880731
View directory record Official record
Conditions
Developmental Language Disorder
Interventions
Modeling with Verbal Mediation, Modeling Only
Behavioral
Lead sponsor
MGH Institute of Health Professions
Other
Eligibility
8 Years to 10 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Jul 21, 2026, 9:30 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Maximizing Outcomes for Preschoolers With Developmental Language Disorders

NCT03782493
View directory record Official record
Conditions
Developmental Language Disorder
Interventions
the Enhanced Milieu Teaching-Sentence Focus
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
27 Months to 31 Months
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
2
States / cities
Evanston, Illinois • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 31, 2025 · Synced Jul 21, 2026, 9:30 PM EDT
Recruiting No phase listed Observational

FOXP1 Syndrome: The Seaver Autism Center for Research and Treatment is Characterizing FOXP1-related Neurodevelopmental Disorders Using Genetic, Medical, and Neuropsychological Measures.

NCT03718923
View directory record Official record
Conditions
FOXP1, Mental Retardation With Language Impairment and With or Without Autistic Features, Autism Spectrum Disorder
Interventions
Not listed
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
2 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Jul 21, 2026, 9:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Promoting Early School Readiness in Primary Health Care

NCT00212576
View directory record Official record
Conditions
Language Development Disorders
Interventions
Video Interaction Project, Building Blocks Project
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
35 Weeks and older
Enrollment
675 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 28, 2019 · Synced Jul 21, 2026, 9:30 PM EDT
Not yet recruiting Not applicable Interventional

Treating Passive Structure Knowledge Deficits in School-Age Children With Developmental Language Disorder

NCT06932016
View directory record Official record
Conditions
Developmental Language Disorders
Interventions
Grammar Treatment
Behavioral
Lead sponsor
Ohio University
Other
Eligibility
8 Years to 11 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
4
States / cities
Tucson, Arizona • Athens, Ohio • Logan, Utah + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Jul 21, 2026, 9:30 PM EDT
Completed Not applicable Interventional

Randomized Controlled Trial of the P.L.A.Y. (Play and Language for Autistic Youngsters) Project Intervention for Autism

NCT01768806
View directory record Official record
Conditions
Autism, Autism Spectrum Disorder
Interventions
PLAY Project Intervention for Autism, Special education pre-school
Behavioral
Lead sponsor
Richard Solomon MD, Plc
Other
Eligibility
3 Years to 5 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 16, 2013 · Synced Jul 21, 2026, 9:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Non-invasive Brain Stimulation on Learning Novel Spoken Words

NCT06387615
View directory record Official record
Conditions
Dyslexia, Dyslexia, Developmental, Learning; Developmental Disorder, Reading
Interventions
Active cTBS, Sham
Other
Lead sponsor
Georgia State University
Other
Eligibility
16 Years to 24 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced Jul 21, 2026, 9:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Retrieval-Based Word Learning in Developmental Language Disorder: Verb Learning

NCT06001866
View directory record Official record
Conditions
Developmental Language Disorder, Specific Language Impairment, Language Development
Interventions
Retrieval-based verb learning: Repeated Spaced Retrieval condition, Retrieval-based verb learning: Repeated Study condition
Behavioral
Lead sponsor
Purdue University
Other
Eligibility
48 Months to 71 Months
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 12, 2025 · Synced Jul 21, 2026, 9:30 PM EDT
Completed Not applicable Interventional

Parent-Child Early Approaches to Raising Language Skills (PEARLS) Intervention

NCT03260062
View directory record Official record
Conditions
Deafness, Bilateral
Interventions
Parent-Child Early Approaches to Raising Language Skills, Standard Care Speech therapy
Behavioral · Other
Lead sponsor
University of Miami
Other
Eligibility
12 Months to 48 Months
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 6, 2021 · Synced Jul 21, 2026, 9:30 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Short-term Verbal Memory Endophenotype for Developmental Language Disorder Language Disorder

NCT06968169
View directory record Official record
Conditions
Developmental Language Disorder, Healthy Subjects
Interventions
Supportive learning, Cascades
Behavioral
Lead sponsor
Father Flanagan's Boys' Home
Other
Eligibility
5 Years to 10 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated May 12, 2025 · Synced Jul 21, 2026, 9:30 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Emergent Bilinguals: Child Language Proficiency and Language of Treatment

NCT06866223
View directory record Official record
Conditions
Developmental Language Disorder, Language Impairment
Interventions
Sentence recast
Behavioral
Lead sponsor
University of Houston
Other
Eligibility
4 Years to 6 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 9, 2025 · Synced Jul 21, 2026, 9:30 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Let's Know!2: Language-focused Intervention for Children at Risk of Comprehension Difficulties

NCT05133479
View directory record Official record
Conditions
Language Disorders in Children
Interventions
Let's Know! small-group or TierL 2 Intervention
Behavioral
Lead sponsor
MGH Institute of Health Professions
Other
Eligibility
5 Years to 12 Years
Enrollment
241 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
2
States / cities
Boston, Massachusetts • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Jul 21, 2026, 9:30 PM EDT
Recruiting Not applicable Interventional

Talk With Me Baby: Leveraging Well-Child Care to Enhance the Early Home Language Environment

NCT07132411
View directory record Official record
Conditions
Child Language, Language Delay, Developmental Milestones
Interventions
Patients in Talk With Me Baby Clinics, Patients in Care-As-Usual Clinics
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
1 Day to 2 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
2
States / cities
Atlanta, Georgia • Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Jul 21, 2026, 9:30 PM EDT
Active, not recruiting Not applicable Interventional

Improving Outcomes Using Technology for Children Who Are DHH

NCT02998164
View directory record Official record
Conditions
Hearing Loss, Language Development, Social Behavior
Interventions
augmentative and alternative communication technology, Usual Care
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
3 Years to 10 Years
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
2
States / cities
Aurora, Colorado • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Jul 21, 2026, 9:30 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Combined Oral Motor Stimulation and Language on Preterm Infant Feeding

NCT05861531
View directory record Official record
Conditions
Language Delay, Language Development, Feeding; Difficult, Newborn, Mother-Infant Interaction, Maternal Behavior
Interventions
Oromotor stimulation, Reading curriculum, LENA recording, LENA linguistic feedback, No oromotor stimulation
Behavioral
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
23 Weeks to 30 Weeks
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 16, 2025 · Synced Jul 21, 2026, 9:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating a Social and Communication Intervention for Preschoolers

NCT01591707
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
ISC+PRT Intervention
Behavioral
Lead sponsor
Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
Other
Eligibility
3 Years to 6 Years
Enrollment
700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2020
U.S. locations
3
States / cities
Newark, Delaware • Baltimore, Maryland • Media, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Jul 21, 2026, 9:30 PM EDT