Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Nov 11, 2026, 9:43 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 167 matching trials from the live ClinicalTrials.gov search.
Conditions
Developmental Language Disorder, Speech Sound Disorder, Specific Language Impairment
Interventions
Sensitivity to phonological rules & referents OR: Toddlers, Sensitivity to phonological rules & referents FR: Toddlers
Other
Lead sponsor
Father Flanagan's Boys' Home
Other
Eligibility
19 Months to 36 Months
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Omaha, Nebraska
Conditions
Developmental Language Disorders
Interventions
Grammar Treatment
Behavioral
Lead sponsor
Ohio University
Other
Eligibility
8 Years to 11 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
4
States / cities
Tucson, Arizona • Athens, Ohio • Logan, Utah + 1 more
Conditions
Autism Sibling
Interventions
tele-ImPACT
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
6 Months to 24 Months
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
2
States / cities
Nashville, Tennessee • Austin, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Phonotactic Probability and Orthography on Vocabulary Learning

NCT06935851
Conditions
DLD
Interventions
VOCAB +
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
8 Years to 9 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
Down Syndrome
Interventions
Babble Boot Camp
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
0 Months to 12 Months
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Tempe, Arizona
Completed Phase 1Phase 2 Interventional

Building Complex Language

NCT01337232
Conditions
Language Development Disorders, Learning Disorders
Interventions
Complex sentence treatment protocol
Behavioral
Lead sponsor
Governors State University
Other
Eligibility
10 Years to 14 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
2
States / cities
Chicago, Illinois • University Park, Illinois
Conditions
Psychosis, Schizophrenia, Schizo Affective Disorder, Bipolar Disorder, Depressive Disorder
Interventions
CBTpro
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 100 Years
Enrollment
601 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
13
States / cities
Los Angeles, California • Morgan Hill, California • San Jose, California + 8 more
Conditions
Autism Spectrum Disorder, Depression - Major Depressive Disorder, Anxiety, Generalized, Bipolar Disorder (BD), Attention Deficit Hyperactivity Disorder (ADHD), Schizophrenia Spectrum &Amp; Other Psychotic Disorders, Post Traumatic Stress Disorder, Obsessive Compulsive Disorder (OCD)
Interventions
Solicue Machine Learning Models, Mercuria Machine Learning Models
Diagnostic Test
Lead sponsor
Psyrin Inc.
Industry
Eligibility
13 Years to 60 Years
Enrollment
500 participants
Timeline
2025 – 2026
U.S. locations
2
States / cities
Brookline, Massachusetts • Zanesville, Ohio
Completed Not applicable Interventional Results available

The Effect of Prior Learning on Treatment of Morpheme Errors

NCT05953077
Conditions
Developmental Language Disorder
Interventions
Conversational recasting
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
4 Years to 6 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Tucson, Arizona
Completed Not applicable Interventional

Stimulus-Stimulus Pairing Study

NCT02464527
Conditions
Autism Spectrum Disorder
Interventions
Stimulus-stimulus pairing, Vocal recorder
Behavioral · Other
Lead sponsor
Emory University
Other
Eligibility
24 Months to 47 Months
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Atlanta, Georgia
Completed Not applicable Interventional Accepts healthy volunteers

The Influence of Immersive Virtual Field Trips on Academic Vocabulary

NCT05242575
Conditions
Developmental Language Disorder, Language Disorders in Children
Interventions
The information provided in the iVFT and control book parallel one another.
Behavioral
Lead sponsor
Salus University
Other
Eligibility
6 Years to 8 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Elkins Park, Pennsylvania
Conditions
Joint Engagement + Enhanced Milieu Training, Joint Engagement + Enhanced Milieu Training+Augmentative Communication (AAC)
Interventions
JAE Intervention
Behavioral
Lead sponsor
Autism Speaks
Other
Eligibility
5 Years to 8 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
3
States / cities
Los Angeles, California • Baltimore, Maryland • Nashville, Tennessee
Recruiting Not applicable Interventional Accepts healthy volunteers

Training Inner Speech in Children With Developmental Language Disorder

NCT06880731
Conditions
Developmental Language Disorder
Interventions
Modeling with Verbal Mediation, Modeling Only
Behavioral
Lead sponsor
MGH Institute of Health Professions
Other
Eligibility
8 Years to 10 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Social Cognitive Development in Young Children With Autism

NCT01425918
Conditions
Autism Spectrum Disorder
Interventions
Social Enhancement Intervention, Parent Education
Behavioral
Lead sponsor
Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
Other
Eligibility
24 Months to 42 Months
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of Let's Know! First Grade

NCT06945289
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
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
Conditions
Hearing Loss, Language Development, Social Behavior
Interventions
augmentative and alternative communication technology, Usual Care
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
3 Years to 10 Years
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
2
States / cities
Aurora, Colorado • Cincinnati, Ohio
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
Conditions
Autism Spectrum Disorder
Interventions
Playgroup, Parent Training
Behavioral
Lead sponsor
Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
Other
Eligibility
11 Months to 21 Months
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Terminated Not applicable Interventional Accepts healthy volunteers

Training Early Social Language in Autism

NCT03427138
Conditions
Autism Spectrum Disorder
Interventions
Jasper, Parent Education
Behavioral
Lead sponsor
Boston University Charles River Campus
Other
Eligibility
18 Months to 59 Months
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
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
Conditions
Developmental Dyslexia
Interventions
Lindamood-Bell training for dyslexia
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
8 Years to 12 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2005
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed Not applicable Interventional Accepts healthy volunteers Results available

Strategies for Teaching Verbs

NCT03441685
Conditions
Language Development Disorders, Down Syndrome, Child Language
Interventions
Semantic cues (perform action), syntactic cues (sentence frame), or combined semantic and syntactic cues
Behavioral
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
3 Years to 17 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Active, not recruiting No phase listed Observational

CNKSR2 Natural History Study

NCT06500260
Conditions
Developmental Dysphasia, Epileptic Encephalopathy, Childhood-Onset, X-Linked Intellectual Disability
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
6 Years to 21 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
San Francisco, California