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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Language Acquisition Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Thirty Million Words Project: A Feasibility Trial

NCT01754077
View directory record Official record
Conditions
Parental Language Behaviors
Interventions
LENA Linguistic Feedback Reports, Home Visiting Educational Session, Childhood Nutrition Education
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
17 Months to 36 Months
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 4, 2013 · Synced Jul 22, 2026, 10:54 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Sentence Prediction in Developmental Language Disorder

NCT07510854
View directory record Official record
Conditions
Developmental Language Disorder
Interventions
Thematic role, Sentence complexity
Behavioral
Lead sponsor
Father Flanagan's Boys' Home
Other
Eligibility
5 Years to 7 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced Jul 22, 2026, 10:54 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Relationship Between Child Language Proficiency and Language of Treatment on the Outcomes of Bilingual Children with Developmental Language Disorder

NCT06085300
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
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 13, 2025 · Synced Jul 22, 2026, 10:54 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 23, 2020 · Synced Jul 22, 2026, 10:54 AM EDT
Recruiting Not applicable Interventional

Optimizing Feedback-based Learning in Children With Developmental Language Disorder

NCT05678634
View directory record Official record
Conditions
Developmental Language Disorder
Interventions
Declarative learning with immediate feedback, Declarative learning with delayed feedback, Probabilistic learning with immediate feedback, Probabilistic learning with delayed feedback, Word learning task with active feedback, Word learning task with passive feedback
Behavioral
Lead sponsor
MGH Institute of Health Professions
Other
Eligibility
8 Years to 12 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Jul 22, 2026, 10:54 AM EDT
Terminated Not applicable Interventional

Improving STEM Outcomes for Young Children With Language Learning Disabilities

NCT03438760
View directory record Official record
Conditions
Specific Language Impairment
Interventions
Science + Phonological Awareness, Science + Grammar Intervention, Science + Vocabulary Intervention
Behavioral
Lead sponsor
Father Flanagan's Boys' Home
Other
Eligibility
4 Years to 7 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Sep 13, 2020 · Synced Jul 22, 2026, 10:54 AM 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 22, 2026, 10:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

EMT en Español for Spanish-speaking Toddlers With Language Delays

NCT04066049
View directory record Official record
Conditions
Language Development Disorders
Interventions
EMT en Español
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
30 Months to 36 Months
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Jul 22, 2026, 10:54 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 8, 2020 · Synced Jul 22, 2026, 10:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Talk STEM Familia: Dual-Language (TSFII)

NCT04896229
View directory record Official record
Conditions
Vocabulary Acquisition
Interventions
Talk STEM Familia Treatment Condition
Other
Lead sponsor
Oregon Research Behavioral Intervention Strategies, Inc.
Industry
Eligibility
8 Years and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Jul 22, 2026, 10:54 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 1, 2025 · Synced Jul 22, 2026, 10:54 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 11, 2011 · Synced Jul 22, 2026, 10:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Music and Child Health and Development

NCT05868811
View directory record Official record
Conditions
Obesity, Infant, Language Development, Parent-Child Relations
Interventions
Music Together, Play Group
Behavioral
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
9 Months to 24 Months
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 22, 2025 · Synced Jul 22, 2026, 10:54 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Talk With Me Baby to Enhance the Early Home Language Environment

NCT06479278
View directory record Official record
Conditions
Language Development, Speech, Infant Development, Infant Behavior, Language, Child, Language
Interventions
Talk with Me Baby
Behavioral
Lead sponsor
IDeA States Pediatric Clinical Trials Network
Network
Eligibility
0 Months to 9 Months
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Kansas City, Kansas • Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced Jul 22, 2026, 10:54 AM EDT
Recruiting Phase 1Phase 2 Interventional

A Treatment for a Form of Age-Related Central Auditory Processing Disorder Consisting of Clemastine Fumarate Plus Engineered Sound

NCT07304024
View directory record Official record
Conditions
Central Auditory Processing Disorder, Hearing Impaired (Partially), Hearing, Hearing Abnormality, Hearing Disability, Hearing Disorder, Hearing Disorders, Hearing Impairment, Sensorineural, Hearing Handicap, Hearing Impaired, Hearing Impairment, Hearing Loss, Central Auditory Disease, Noise Exposure, Noise Induced Hearing Loss, Noise-Induced Hearing Loss, Sound Perception, Myelin Degeneration, Myelinopathy, Myelin Integrity, Remyelination, Hidden Hearing Loss, Cocktail Party Skill, Cocktail Party Syndrome, CAPD, Age Problem
Interventions
Clemastine Fumarate Combined With Engineered Sound, Clemastine Fumarate Combined With Pink Noise, Placebo Drug With Engineered Sound, Placebo - Placebo
Combination Product · Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
45 Years to 65 Years
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Jul 22, 2026, 10:54 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Exercise Training in Children With Communication Impairments

NCT06340893
View directory record Official record
Conditions
Developmental Language Disorder
Interventions
Exercise, Restful Play
Behavioral
Lead sponsor
Marquette University
Other
Eligibility
5 Years to 9 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 20, 2025 · Synced Jul 22, 2026, 10:54 AM 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 Jul 22, 2026, 10:54 AM EDT
Recruiting Not applicable Interventional

Training Caregivers to Teach Vocabulary to Children With Language Impairment

NCT07519629
View directory record Official record
Conditions
Developmental Language Disorder
Interventions
Robust vocabulary intervention
Behavioral
Lead sponsor
Northern Arizona University
Other
Eligibility
4 Years to 6 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Flagstaff, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Jul 22, 2026, 10:54 AM EDT
Terminated No phase listed Observational

Hereditary Deficits in Auditory Processing Leading to Language Impairment

NCT00004570
View directory record Official record
Conditions
Auditory Perceptual Disorder, Language Delay, Language Disorder
Interventions
Not listed
Lead sponsor
National Institute on Deafness and Other Communication Disorders (NIDCD)
NIH
Eligibility
6 Years to 85 Years
Enrollment
875 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 19, 2018 · Synced Jul 22, 2026, 10:54 AM EDT
Recruiting Not applicable Interventional

How Simplified Language Affects Comprehension and Learning in Young Children With Down Syndrome

NCT06951516
View directory record Official record
Conditions
Down Syndrome
Interventions
Linguistic simplification
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
2 Years to 7 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
East Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Jul 22, 2026, 10:54 AM EDT
Recruiting No phase listed Observational

Sleep and Central Auditory Processing Disorder in Autism Spectrum Disorder

NCT06059352
View directory record Official record
Conditions
Central Auditory Processing Disorder, Autism Spectrum Disorder, Sleep Disturbance
Interventions
Not listed
Lead sponsor
Loma Linda University
Other
Eligibility
6 Years to 17 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Jul 22, 2026, 10:54 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 16, 2025 · Synced Jul 22, 2026, 10:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Digital Literacy Promotion

NCT03121365
View directory record Official record
Conditions
Language Development, Literacy
Interventions
Digital/E-Book Arm, Standard/Board Book Arm
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
5 Months to 7 Months
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 4, 2020 · Synced Jul 22, 2026, 10:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Melodic-based Communication Therapy for Promoting Spoken Language Development in Individuals With Nonverbal Autism

NCT04679974
View directory record Official record
Conditions
Nonverbal and Low Verbal Autism
Interventions
Melodic-based Communication Therapy
Behavioral
Lead sponsor
Loma Linda University
Other
Eligibility
3 Years to 10 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Dec 21, 2020 · Synced Jul 22, 2026, 10:54 AM EDT