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ClinicalTrials.gov public records Last synced May 21, 2026, 10:00 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–14 of 14 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Speech 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, 10:00 PM EDT
Withdrawn No phase listed Observational
View directory record Official record
Conditions
Autism, Autism Spectrum Disorder, Autistic Disorder, Autism, Akinetic, Autism; Atypical, Autism; Psychopathy, Autism Fragile Syndrome X, Autism With High Cognitive Abilities, Autism-Related Speech Delay, Autism, Susceptibility to, 6, Autism Spectrum Disorder High-Functioning, Autistic Thinking, Autism, Susceptibility to, X-Linked 6, Autistic Behavior
Interventions
No Intervention
Other
Lead sponsor
ProgenaBiome
Other
Eligibility
6 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced May 21, 2026, 10:00 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, 10:00 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Developmental Delay
Interventions
Bright By Three (BB3), Texts for Child Safety (TCS)
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
12 Months to 15 Months
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 3, 2020 · Synced May 21, 2026, 10:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Behavior and Behavior Mechanisms
Interventions
Families Talking Together Plus (FTT +)
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
12 Years to 17 Years
Enrollment
1,227 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 9, 2024 · Synced May 21, 2026, 10:00 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, 10:00 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Klinefelter Syndrome, Trisomy X, XYY Syndrome, XXXY and XXXXY Syndrome, Xxyy Syndrome, Xyyy Syndrome, Xxxx Syndrome, Xxxxx Syndrome, Xxxyy Syndrome, Xxyyy Syndrome, Xyyyy Syndrome, Male With Sex Chromosome Mosaicism
Interventions
Assessments of Development and Growth
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
6 Weeks to 13 Months
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
2
States / cities
Aurora, Colorado • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced May 21, 2026, 10:00 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, 10:00 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, 10:00 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, 10:00 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, 10:00 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, 10:00 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, 10:00 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Speech, Memory, Delayed, Sensorineural Hearing Loss
Interventions
Sentence stimulus, Speaking style
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
60 Years to 90 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 12, 2025 · Synced May 21, 2026, 10:00 PM EDT