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ClinicalTrials.gov public records Last synced Oct 19, 2026, 7:16 AM EDT

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Showing 169–192 of 204 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Language Development Clear all
Terminated Phase 2 Interventional Results available

A Trial of the Drug Donepezil for Sleep Enhancement and Behavioral Change in Children With Autism

NCT01887132
View directory record Official record
Conditions
Autism Spectrum Disorders
Interventions
Donepezil, Placebo
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
24 Months to 50 Months
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 25, 2017 · Synced Oct 19, 2026, 7:16 AM EDT
Active, not recruiting Not applicable Interventional

Family ASL: Longitudinal Study of Deaf Children and Hearing Parents Who Receive Services to Support the Learning of ASL

NCT04988451
View directory record Official record
Conditions
Deafness, Hearing Loss
Interventions
ASL Services
Behavioral
Lead sponsor
University of Connecticut
Other
Eligibility
2 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 11, 2025 · Synced Oct 19, 2026, 7:16 AM EDT
Recruiting Not applicable Interventional

Prevent Language Delays and Disorders Among Children of Caregivers With Substance Use Disorders With Community Groups and Individualized Services

NCT07529327
View directory record Official record
Conditions
Language Delay, Substance Use Disorders, Language Disorders in Children, Language Development, Prevention Intervention
Interventions
Comilia Group, Interaction Review Enhancement, Practical Support Enhancement
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
18 Years and older
Enrollment
244 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 19, 2026, 7:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Communication Intervention for Toddlers With Autism

NCT02595697
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
J-EMT for Toddlers with Autism
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
24 Months to 36 Months
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
2
States / cities
Evanston, Illinois • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 6, 2020 · Synced Oct 19, 2026, 7:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Thirty Million Words-Early Childhood Educator (TMW-ECE)

NCT04027673
View directory record Official record
Conditions
Language Development
Interventions
TMW ECE Curriculum
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
432 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 9, 2020 · Synced Oct 19, 2026, 7:16 AM EDT
Completed Not applicable Interventional

Social and Communication Outcomes for Young Children With Autism

NCT00953095
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Joint Attention Intervention
Behavioral
Lead sponsor
Health Resources and Services Administration (HRSA)
Federal
Eligibility
24 Months to 60 Months
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
5
States / cities
Los Angeles, California • Tallahassee, Florida • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2014 · Synced Oct 19, 2026, 7:16 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 19, 2026, 7:16 AM EDT
Active, not recruiting Not applicable Interventional

Evaluation of an Explicit Approach

NCT04902508
View directory record Official record
Conditions
Developmental Language Disorder, Explicit Intervention, Grammatical Language
Interventions
Implicit-only, Explicit-added
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
5 Years to 9 Years
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 19, 2026, 7:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Thirty Million Words- Well Baby Initiative

NCT02812017
View directory record Official record
Conditions
Behavior, Communication, Language
Interventions
Thirty Million Words- Well Baby, Safety Starts at Home
Behavioral · Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
952 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
10
States / cities
Berwyn, Illinois • Chicago, Illinois • Oak Park, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 24, 2020 · Synced Oct 19, 2026, 7:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of Let's Know! First Grade

NCT06945289
View directory record Official record
Conditions
Developmental Language Disorder and Language Impairment
Interventions
Let's Know!
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
6 Years to 8 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 19, 2026, 7:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Maximizing Language Development in Children With Hearing Loss

NCT01963468
View directory record Official record
Conditions
Hearing Loss
Interventions
Early language intervention
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
6 Months to 18 Months
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 29, 2018 · Synced Oct 19, 2026, 7:16 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Using Data Science To Center Patient Perspectives in Mechanism Discovery

NCT06233968
View directory record Official record
Conditions
Posttraumatic Stress Disorder, Complex Post-Traumatic Stress Disorder
Interventions
Not listed
Lead sponsor
Cambridge Health Alliance
Other
Eligibility
18 Years to 75 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Malden, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 19, 2026, 7:16 AM EDT
Recruiting Not applicable Interventional

Promoting Caregiver Implementation of an Effective Early Learning Intervention

NCT06275815
View directory record Official record
Conditions
Developmental Language Disorder, Reading; Difficult
Interventions
Sit Together and Read (STAR), Monetary Reward, Text Encouragement
Other · Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
48 Months to 71 Months
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
2
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Oct 19, 2026, 7:16 AM EDT
Recruiting Not applicable Interventional

How Simplified Language Affects Comprehension and Learning in Young Autistic Children

NCT05707923
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Linguistic simplification
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
1 Year to 4 Years
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
East Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Oct 19, 2026, 7:16 AM EDT
Completed Not applicable Interventional

Effects of TBS on Reading in Adult Struggling Readers

NCT04041960
View directory record Official record
Conditions
Developmental Reading Disorder, Dyslexia, Developmental
Interventions
Transcranial magnetic stimulation (TMS)
Other
Lead sponsor
Georgia State University
Other
Eligibility
18 Years to 50 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 16, 2021 · Synced Oct 19, 2026, 7:16 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study of Toddlers With Language Delay

NCT01339767
View directory record Official record
Conditions
Autism, Language Acquisition, Language Development, Toddlers
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
9 Months to 21 Months
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced Oct 19, 2026, 7:16 AM EDT
Terminated No phase listed Observational

Observational Study of Males With Creatine Transporter Deficiency

NCT02931682
View directory record Official record
Conditions
Creatine Deficiency, X-linked
Interventions
Not listed
Lead sponsor
Ultragenyx Pharmaceutical Inc
Industry
Eligibility
6 Months to 65 Years · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
9
States / cities
La Jolla, California • Chicago, Illinois • Bethesda, Maryland + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 14, 2022 · Synced Oct 19, 2026, 7:16 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Recognition of Second Language Spoken Words, Signs, and Characters Via Perception and Production in Adults

NCT05587218
View directory record Official record
Conditions
Second Language Acquisition in Healthy Young Adults
Interventions
Self-production
Behavioral
Lead sponsor
University of Alabama, Tuscaloosa
Other
Eligibility
18 Years to 35 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Tuscaloosa, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 20, 2022 · Synced Oct 19, 2026, 7:16 AM EDT
Completed Not applicable Interventional Results available

Accelerating Word Learning in Children With Language Impairment

NCT01829360
View directory record Official record
Conditions
Specific Language Impairment
Interventions
Treatment (interactive book reading, dialogic reading, shared book reading)
Behavioral
Lead sponsor
University of Kansas
Other
Eligibility
5 Years to 6 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Lawrence, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 14, 2019 · Synced Oct 19, 2026, 7:16 AM 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 2, 2025 · Synced Oct 19, 2026, 7:16 AM EDT
Completed Not applicable Interventional

The Use of a Language Toolkit for Toddlers

NCT00926510
View directory record Official record
Conditions
Language Acquisition
Interventions
Language toolkit, Safety counseling
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
14 Months to 19 Months
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 12, 2011 · Synced Oct 19, 2026, 7:16 AM EDT
Withdrawn Not applicable Interventional

Using the LENA System in Early Intervention

NCT03164642
View directory record Official record
Conditions
Depression
Interventions
LENA with Feedback, LENA no feedback
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 28, 2018 · Synced Oct 19, 2026, 7:16 AM EDT
Enrolling by invitation No phase listed Observational

Intranasal Insulin for Autism Spectrum Disorder in Children and Young Adults Aged 4 to 21 Years

NCT07521371
View directory record Official record
Conditions
Autism Spectrum Disorder, Autism Spectrum Disorder (ASD), Autism Spectrum Disorder High-Functioning, Autism Spectrum Disorder With Absence of Functional Language, Autism Spectrum Disorder With Impaired Functional Language, Autistic Disorder of Childhood Onset With Full Syndrome, Autistic Disorders Spectrum, Autistic Disorder, Autistic Disorder in Children and Adolescents, Neurodevelopmental Disorders, Neurodevelopmental Disorders (NDD), Neurodevelopmental Disorders and Developmental Abnormalities
Interventions
Not listed
Lead sponsor
Healing Hope International
Other
Eligibility
4 Years to 21 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Spring, Texas
Source: ClinicalTrials.gov public record
Updated Apr 9, 2026 · Synced Oct 19, 2026, 7:16 AM 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 17, 2025 · Synced Oct 19, 2026, 7:16 AM EDT