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ClinicalTrials.gov public records Last synced May 21, 2026, 10:58 PM EDT

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Showing 1–23 of 23 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Language Delay Clear all
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Speech Sound Disorder, Phonology Disorder, Phonology Impairment, Phonological Disorder, Articulation Disorders in Children, Developmental Phonological Disorder, Speech Disorders, Speech Delay, Articulation Disorders, Developmental
Interventions
articulation therapy, phonologic treatment
Behavioral
Lead sponsor
University of Wyoming
Other
Eligibility
4 Years to 8 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Laramie, Wyoming
Source: ClinicalTrials.gov public record
Updated Jun 17, 2020 · Synced May 21, 2026, 10:58 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
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 11, 2019 · Synced May 21, 2026, 10:58 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Intellectual Disabilities, Speech Delay, Language Disorder
Interventions
Pivotal Response Treatment (PRT)
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
2 Years to 17 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jan 11, 2021 · Synced May 21, 2026, 10:58 PM EDT
Enrolling by invitation No phase listed Observational
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 8, 2026 · Synced May 21, 2026, 10:58 PM EDT
Recruiting Not applicable Interventional
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 Apr 19, 2026 · Synced May 21, 2026, 10:58 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Developmental Delays
Interventions
Therapist-Delivered Early Intervention Approach, Caregiver Coaching Early Intervention Approach, Parents Taking Action
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
12 Months to 31 Months
Enrollment
1,269 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced May 21, 2026, 10:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Infant Development, Developmental Delay
Interventions
Enriched Education Program, Typical Education Program
Other
Lead sponsor
University of Delaware
Other
Eligibility
1 Month to 24 Months
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated May 15, 2024 · Synced May 21, 2026, 10:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
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 May 21, 2026, 10:58 PM EDT
Recruiting Not applicable Interventional
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 May 21, 2026, 10:58 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Speech and Language Disorder, Cerebral Palsy, Hemiplegia, Hemiparesis
Interventions
Speech-language therapy (SLT), Modified constraint-induced movement therapy (mCIMT)
Behavioral
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
15 Months to 7 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 20, 2021 · Synced May 21, 2026, 10:58 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Autism Spectrum Disorder, Autistic Disorder, Active Autistic Disorder, Autism, Asperger Syndrome, PDD-NOS, Social Communication Delay, Mixed Expressive Receptive Language Disorder, Other Symbolic Dysfunctions
Interventions
Early Achievements- Parent Coaching Intervention
Behavioral
Lead sponsor
Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
Other
Eligibility
18 Months to 42 Months
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced May 21, 2026, 10:58 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Bilateral Sensorineural Hearing Loss, Speech and Language Development Delay Due to Hearing Loss, Social Communication
Interventions
Parent-Implemented Communication Treatment
Behavioral
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
0 Months to 5 Years
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 4, 2024 · Synced May 21, 2026, 10:58 PM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Developmental Disabilities, Language Development Disorders
Interventions
Age-specific parenting newsletters and developmental toys, Parent-completed Ages & Stages Questionnaires, Clinic-based distribution of children's books
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
4 Months to 7 Months
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2006
U.S. locations
2
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced May 21, 2026, 10:58 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
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 May 21, 2026, 10:58 PM EDT
Terminated No phase listed Observational
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 May 21, 2026, 10:58 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Autism Spectrum Disorder, Moderate Language Delay
Interventions
Direct Instruction-Language for Learning (DI-LL) via telehealth (e.g., Zoom or WebEx), Standard of care delivered via telehealth (e.g., Zoom or WebEx)
Behavioral
Lead sponsor
Emory University
Other
Eligibility
4 Years to 7 Years
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 5, 2021 · Synced May 21, 2026, 10:58 PM EDT
Recruiting No phase listed Observational
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 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 8, 2025 · Synced May 21, 2026, 10:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Child Development, Infant Development, Developmental Delay, Language Development
Interventions
Building Capacity for Infant Achievements in Child Care
Behavioral
Lead sponsor
Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
Other
Eligibility
18 Years to 100 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 22, 2025 · Synced May 21, 2026, 10:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Language Developmental Disorders
Interventions
Enhanced Milieu Teaching
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
24 Months to 42 Months
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 25, 2018 · Synced May 21, 2026, 10:58 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Hearing Loss, Speech and Language Development Delay Due to Hearing Loss
Interventions
Speech-Language Teletherapy
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
0 Months to 27 Months
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
5
States / cities
Oakland, California • Palo Alto, California • San Diego, California + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced May 21, 2026, 10:58 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Language Development, Language Delay, Mother-Infant Interaction, Maternal Behavior
Interventions
Reading intervention, Infant bonding, LENA recording, LENA linguistic feedback, LENA summary
Behavioral
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
23 Weeks to 31 Weeks
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 7, 2020 · Synced May 21, 2026, 10:58 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Asthma
Interventions
Usual care + a-GPS, Usual care
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
Up to 17 Years
Enrollment
185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 15, 2020 · Synced May 21, 2026, 10:58 PM EDT
Terminated No phase listed Observational
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 13, 2022 · Synced May 21, 2026, 10:58 PM EDT