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ClinicalTrials.gov public records Last synced May 21, 2026, 7:21 PM EDT

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

Showing 1–24 of 158 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Developmental Delay Clear all
Completed Phase 2 Interventional
View directory record Official record
Conditions
Developmental Delay
Interventions
delayed cord clamping
Procedure
Lead sponsor
University of Rhode Island
Other
Eligibility
24 Weeks to 31 Weeks
Enrollment
208 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Dec 4, 2014 · Synced May 21, 2026, 7:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Behavior Problem, Development Delay, Emotional Disturbances, Family Conflict, Relation, Mother-Child
Interventions
Family Nurture Intervention
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
24 Months to 78 Months
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Norwalk, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 8, 2020 · Synced May 21, 2026, 7:21 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Developmental Delay, Mental Health Disorder
Interventions
H3 Services
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
Up to 16 Years
Enrollment
277 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 29, 2019 · Synced May 21, 2026, 7:21 PM EDT
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, 7:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Behavior Problem, Development Delay, Emotional Disturbance, Family Conflict
Interventions
Family Nurture Intervention, Nutrition and Play Intervention
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
24 Months to 54 Months
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Cos Cob, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 14, 2023 · Synced May 21, 2026, 7:21 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, 7:21 PM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Deafness, Hearing Loss
Interventions
cochlear implantation, hearing aids
Device
Lead sponsor
Stanford University
Other
Eligibility
1 Day to 5 Years
Enrollment
303 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
2
States / cities
Stanford, California • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 14, 2016 · Synced May 21, 2026, 7:21 PM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Short Stature, Constitutional Delay of Growth and Development, Dwarfism, Pituitary
Interventions
Growth Hormone Therapy
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
7 Years to 10 Years · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 21, 2026, 7:21 PM EDT
Completed No phase listed Observational Results available
View directory record Official record
Conditions
Cerebral Palsy
Interventions
Not listed
Lead sponsor
University of Washington
Other
Eligibility
18 Months to 12 Years
Enrollment
724 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
4
States / cities
Atlanta, Georgia • Oklahoma City, Oklahoma • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 18, 2019 · Synced May 21, 2026, 7:21 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, 7:21 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, 7:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Behavior Problem, Developmental Delay, Emotional Disturbances, Family Conflict
Interventions
Nutrition and Play Intervention, Family Nurture Intervention
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
24 Months to 54 Months
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Stamford, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 7, 2019 · Synced May 21, 2026, 7:21 PM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Constitutional Growth Delay, Nutrition Disorders, Growth Disorders
Interventions
Pediasure, GH
Drug
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
7 Years to 10 Years · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 11, 2011 · Synced May 21, 2026, 7:21 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Cerebral Palsy
Interventions
Dynamic Supported Mobility, Conventional Therapy
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
12 Months to 36 Months
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 3, 2025 · Synced May 21, 2026, 7:21 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, 7:21 PM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Mental Retardation, Developmental Delay Disorder
Interventions
risperidone, clozapine, olanzapine
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
6 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2001
U.S. locations
1
States / cities
Lawrence, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced May 21, 2026, 7:21 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Developmental Delay
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
9 Months to 65 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2031
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced May 21, 2026, 7:21 PM EDT
Recruiting Early Phase 1 Interventional
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Pickleball Program (Community-Based)
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 45 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Middletown, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced May 21, 2026, 7:21 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Development; Delayed, Mental, Anxiety, Situational Anxiety, Fear of Other Medical Care, Behavior, Coping, Behavior Disorders, Psychological Disorder, Behavior Disorders in Children
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
3 Years to 21 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 25, 2019 · Synced May 21, 2026, 7:21 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, 7:21 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Problem Behavior, Developmental Delay, Developmental Disability
Interventions
Function-based assessment and intervention
Behavioral
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
0 Months to 5 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced May 21, 2026, 7:21 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, 7:21 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, 7:21 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Autism, Development Delay, Typical Development
Interventions
Virtual Reality, Standard of Care
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
8 Years to 19 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 14, 2019 · Synced May 21, 2026, 7:21 PM EDT