Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jul 21, 2026, 11:10 AM EDT

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Showing 1–24 of 425 matching trials from the live ClinicalTrials.gov search.
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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
Recruiting Not applicable Interventional Accepts healthy volunteers

Language Processing and TMS

NCT05425615
Conditions
Stroke, Aphasia, Language
Interventions
Transcranial Magnetic Stimulation
Device
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 85 Years
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2032
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Aphasia, Stroke
Interventions
Constraint Induced Language Therapy
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
1
States / cities
Houston, Texas
Completed No phase listed Observational

Genetic Linkage Studies of Stuttering

NCT00001604
Conditions
Stuttering
Interventions
Not listed
Lead sponsor
National Institute on Deafness and Other Communication Disorders (NIDCD)
NIH
Eligibility
6 Years and older
Enrollment
3,044 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Recruiting No phase listed Observational

Language in Primary Progressive Aphasia

NCT00537004
Conditions
Primary Progressive Aphasia
Interventions
Not listed
Lead sponsor
Northwestern University
Other
Eligibility
Not listed
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Completed No phase listed Observational Accepts healthy volunteers

Auditory Masking Effects on Speech Fluency in Aphasia and Apraxia of Speech

NCT02094014
Conditions
Apraxia of Speech, Aphasia, Cerebrovascular Accident
Interventions
Normal Auditory Feedback, Masked Auditory Feedback, Altered Auditory Feedback
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Recruiting Not applicable Interventional Accepts healthy volunteers

Transcranial Alternating Current Stimulation (tACS) in Aphasia

NCT04375722
Conditions
Aphasia, Stroke
Interventions
tACS
Device
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2030
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Parkinson's Disease
Interventions
Combined speech and exercise intervention, Health education
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years to 89 Years
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Stroke and Aphasia
Interventions
Communal singing
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2026
U.S. locations
1
States / cities
New York, New York
Conditions
Stuttering, Adult
Interventions
Transcranial Magnetic Stimulation
Device
Lead sponsor
Kansas State University
Other
Eligibility
18 Years to 65 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Manhattan, Kansas
Completed Not applicable Interventional Results available

Comparison of Treatment for Hoarding Disorder

NCT02040805
Conditions
Hoarding Disorder
Interventions
Group Cognitive Behavioral Therapy, Peer Facilitated Support Group
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
323 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
2
States / cities
San Francisco, California
Conditions
Hearing Loss, Language Impairment
Interventions
Feedback with massed trials, Feedback with spaced trials, No feedback with massed trials, No feedback with spaced trials
Behavioral
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
5 Years to 9 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Withdrawn Phase 1 Interventional Accepts healthy volunteers

The Effects of Tactile Speech Feedback on Stuttering Frequency

NCT01315730
Conditions
Stuttering
Interventions
Tactile Stimulation
Device
Lead sponsor
University of Mississippi, Oxford
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2011
U.S. locations
1
States / cities
University, Mississippi
Conditions
Primary Progressive Aphasia, Semantic Dementia, Semantic Memory Disorder, Logopenic Progressive Aphasia, Nonfluent Aphasia, Progressive, Aphasia, Aphasia, Progressive
Interventions
Multicomponent Lexical Retrieval Training (Multi-LRT), Multicomponent Video Implemented Script Training in Aphasia (Multi-VISTA), Multicomponent Communication Partner Training (Multi-CPT)
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
Not listed
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Austin, Texas
Conditions
Nonfluent Variant Primary Progressive Aphasia (nfvPPA)
Interventions
Neflamapimod, Placebo
Drug
Lead sponsor
EIP Pharma Inc
Industry
Eligibility
40 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
5
States / cities
Chicago, Illinois • Rochester, Minnesota • New York, New York + 2 more
Conditions
Language Disorder
Interventions
AMALS, DTA
Behavioral
Lead sponsor
Lamar University
Other
Eligibility
4 Years to 6 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
3
States / cities
Orange, Texas • Port Arthur, Texas
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
Healthy Subjects, Stuttering, Developmental
Interventions
Delaying speech initiation, Auditory errors and pre-speech auditory modulation, Contributions of the speech premotor cortex to pre-speech auditory modulation, Delaying auditory feedback
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
3 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
2
States / cities
Tempe, Arizona • Seattle, Washington
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
Conditions
Alzheimer Disease, Early Onset, Alzheimer Disease, Alzheimer Disease, Late Onset, Dementia, Alzheimer Type, Logopenic Progressive Aphasia, Primary Progressive Aphasia, Visuospatial/Perceptual Abilities, Posterior Cortical Atrophy, Executive Dysfunction, Corticobasal Degeneration, Ideomotor Apraxia
Interventions
Not listed
Lead sponsor
University of California, Los Angeles
Other
Eligibility
50 Years to 85 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Recruiting Not applicable Interventional Accepts healthy volunteers

tACS to Enhance Language Abilities

NCT06092814
Conditions
Stroke, Aphasia, Acquired, Aphasia
Interventions
Active transcranial alternating current stimulation (tACS)
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 85 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Recruiting No phase listed Observational Accepts healthy volunteers

The Development of Stuttering in Young Children

NCT06578416
Conditions
Stuttering, Stuttering, Childhood, Stuttering, Developmental
Interventions
Standardized assessments of speech and language abilities
Diagnostic Test
Lead sponsor
Michigan State University
Other
Eligibility
3 Years to 6 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
East Lansing, Michigan
Recruiting Not applicable Interventional Accepts healthy volunteers

Neurocognitive Mechanisms of Sentence Production Impairment in Aphasia

NCT06405594
Conditions
Aphasia, Acquired, Stroke, Healthy Aging
Interventions
Language Condition
Behavioral
Lead sponsor
University of Maryland, College Park
Other
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
College Park, Maryland