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Showing 1–24 of 94 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cognitive Disability Clear all
Recruiting No phase listed Observational

Characterization of Dysmorphology in Subjects With Creatine Transporter Deficiency

NCT05600946
View directory record Official record
Conditions
Cognitive Disorder, Metabolic Disease, Autism Spectrum Disorder
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
2 Years to 40 Years · Male only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Jul 22, 2026, 2:44 PM EDT
Completed Not applicable Interventional

Cognitive Training for Fragile X Syndrome

NCT02747394
View directory record Official record
Conditions
Fragile X Syndrome
Interventions
Working Memory Training
Other
Lead sponsor
University of California, Davis
Other
Eligibility
8 Years to 18 Years
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 2, 2019 · Synced Jul 22, 2026, 2:44 PM EDT
Terminated Phase 3 Interventional Results available

Evaluating The Efficacy And Safety Of Donepezil Hydrochloride (Aricept) In The Treatment Of The Cognitive Dysfunction Exhibited By Children With Down Syndrome, Aged 6 To 10

NCT00754013
View directory record Official record
Conditions
Down Syndrome, Cognitive Dysfunction
Interventions
Aricept (Donepezil hydrochloride), Placebo
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
6 Years to 10 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
2
States / cities
San Antonio, Texas • Herndon, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 27, 2020 · Synced Jul 22, 2026, 2:44 PM EDT
Completed Not applicable Interventional

Deep Brain Stimulation for the Treatment of Alzheimer's Disease

NCT01559220
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Deep Brain Stimulation
Device
Lead sponsor
Ali Rezai, MD
Other
Eligibility
45 Years to 85 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 29, 2017 · Synced Jul 22, 2026, 2:44 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Facing Your Fears: Adolescents With ASD and Intellectual Disability

NCT05131425
View directory record Official record
Conditions
Autism Spectrum Disorder, Intellectual Disability, Anxiety, Emotion Regulation
Interventions
Facing Your Fears: ASD/ID, Treatment as Usual
Behavioral · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
12 Years to 18 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
2
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 7, 2025 · Synced Jul 22, 2026, 2:44 PM EDT
Completed Not applicable Interventional

Cognitive Rehabilitation in Sickle Cell Disease

NCT01793740
View directory record Official record
Conditions
Sickle Cell Disease, Cognitive Impairment
Interventions
Cogmed
Behavioral
Lead sponsor
Duke University
Other
Eligibility
8 Years to 16 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 19, 2014 · Synced Jul 22, 2026, 2:44 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Rivastigmine Study in Adolescents With Down Syndrome

NCT01084135
View directory record Official record
Conditions
Down Syndrome
Interventions
Rivastigmine, Liquid Placebo
Drug · Other
Lead sponsor
Duke University
Other
Eligibility
10 Years to 17 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
2
States / cities
Baltimore, Maryland • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 5, 2015 · Synced Jul 22, 2026, 2:44 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Examining Social, Emotional, and Cognitive Functioning in People With Fragile X and Down Syndromes

NCT00879515
View directory record Official record
Conditions
Anxiety Disorders, Child Developmental Disorders, Pervasive
Interventions
Not listed
Lead sponsor
University of California, Davis
Other
Eligibility
5 Years to 25 Years
Enrollment
511 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced Jul 22, 2026, 2:44 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Psychotherapy for Anxiety in Children With Autism Spectrum Disorder

NCT02028247
View directory record Official record
Conditions
Autism Spectrum Disorders, Autism, Asperger's Syndrome, Pervasive Developmental Disability - Not Otherwise Specified, Obsessive-compulsive Disorder, Social Phobia, Generalized Anxiety Disorder, Specific Phobia, Separation Anxiety Disorder
Interventions
Personalized Cognitive-behavioral therapy, Standard Practice Cognitive-behavioral therapy, Treatment as Usual
Behavioral
Lead sponsor
University of South Florida
Other
Eligibility
7 Years to 13 Years
Enrollment
214 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
St. Petersburg, Florida
Source: ClinicalTrials.gov public record
Updated Nov 14, 2021 · Synced Jul 22, 2026, 2:44 PM EDT
Completed Phase 4 Interventional Results available

Effectiveness of Methylphenidate in Improving Cognition and Function in Older Adults With Depression

NCT00602290
View directory record Official record
Conditions
Depression
Interventions
Citalopram, Methylphenidate (MPH), Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
60 Years and older
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 10, 2018 · Synced Jul 22, 2026, 2:44 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

100-Year Human Aging Study

NCT07563777
View directory record Official record
Conditions
Aging, Aging Well, All-Cause Mortality, Mortality, Metabolic Syndrome, Cardiovascular Diseases, Cognitive Dysfunction, Musculoskeletal Diseases, Neoplasms, Frailty, Activities of Daily Living, Health-Related Quality of Life, Disability Physical, Neuro-Degenerative Disease, Dementia
Interventions
Comprehensive Multi-System Clinical Screening
Diagnostic Test
Lead sponsor
Longevity Metrics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,000,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2099
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Jul 22, 2026, 2:44 PM EDT
Not yet recruiting Not applicable Interventional

Reduction of Depression in People With Disabilities Through Dual Treatment: Digital CBT & NBHWC Coaching

NCT07195292
View directory record Official record
Conditions
Hearing Disability, Depression, Mobility Disability
Interventions
Sham Digital Program - General health education and interactive quizzes unrelated to depression or CBT., Toivoa-002 - A digital Cognitive Behavioral Therapy program combined with NBHWC-certified coaching.
Device
Lead sponsor
Toivoa Inc
Industry
Eligibility
22 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
4
States / cities
Dover, Delaware • East Orange, New Jersey • Cleveland, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Jul 22, 2026, 2:44 PM EDT
Terminated Not applicable Interventional

Reducing Suicide Risk in Older Veterans Using Problem Solving Therapy

NCT04763330
View directory record Official record
Conditions
Suicidal Ideation, Depressive Disorder, Anxiety Disorders, Post Traumatic Stress Disorder
Interventions
Enhanced Usual Care (EUC), Problem Solving Therapy (PST) plus EUC
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
55 Years and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
2
States / cities
Palo Alto, California • Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Jul 22, 2026, 2:44 PM EDT
Completed Not applicable Interventional

Cognitive and Aerobic Resilience for the Brain

NCT02390453
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Combined Cognitive and Physical, Cognitive, Physical, Active Control
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
65 Years and older
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 6, 2023 · Synced Jul 22, 2026, 2:44 PM EDT
Available No phase listed Expanded access

Post-trial Access Program of Idursulfase-IT Along With Elaprase in Children With Hunter Syndrome

NCT05795361
View directory record Official record
Conditions
Hunter Syndrome
Interventions
Idursulfase-IT
Drug
Lead sponsor
Takeda
Industry
Eligibility
Male only
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
17
States / cities
Phoenix, Arizona • Oakland, California • Wilmington, Delaware + 14 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Jul 22, 2026, 2:44 PM EDT
Completed Not applicable Interventional Results available

Parent Nurse Controlled Analgesic in Pediatric Patients With Developmental Delay

NCT00743730
View directory record Official record
Conditions
Post Operative Pain
Interventions
Pain and standard side effect management for PNCA with basal method., Pain and standard side effect management with PNCA without basal, Pain and standard side effect management with IV on an as needed basis method.
Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
4 Years to 18 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 27, 2019 · Synced Jul 22, 2026, 2:44 PM EDT
Completed Not applicable Interventional Results available

Bronx MBCT-Migraine

NCT02443519
View directory record Official record
Conditions
Migraine
Interventions
MBCT for Migraine
Behavioral
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 11, 2020 · Synced Jul 22, 2026, 2:44 PM EDT
Active, not recruiting No phase listed Observational

Measuring Outcomes of Activity in Intensive Care

NCT03115840
View directory record Official record
Conditions
Critical Illness, Sepsis, Mechanical Ventilation, Physical Activity, Disability Physical, Muscle Weakness, Cognitive Impairment
Interventions
Not listed
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2030
U.S. locations
2
States / cities
Columbus, Ohio • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Jul 22, 2026, 2:44 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving Aging in Place in Subsidized Housing

NCT04212442
View directory record Official record
Conditions
Physical Disability, Cognitive Impairment, Physical Activity
Interventions
Independent Living Program for Affordable Housing.
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
62 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
13
States / cities
Camden, New Jersey • Cape May, New Jersey • Pennsauken, New Jersey + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 14, 2024 · Synced Jul 22, 2026, 2:44 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Retinal Imaging in Neurodegenerative Disease

NCT03233646
View directory record Official record
Conditions
Alzheimer's Disease, Mild Cognitive Impairment, Parkinson's Disease, Multiple Sclerosis, Huntington Disease, Lewy Body Dementia, Frontotemporal Dementia, Amyotrophic Lateral Sclerosis (ALS), APOE-4 Positive, Traumatic Brain Injury, Concussion, Post-Traumatic Stress Disorder, Down Syndrome, Neuro-Degenerative Disease, Normal Cognition
Interventions
Retinal and Choroidal Imaging
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Jul 22, 2026, 2:44 PM EDT
Completed Phase 4 Interventional Results available

Efficacy and Safety of Memantine Hydrochloride in Enhancing the Cognitive Abilities of Young Adults With Down Syndrome

NCT01112683
View directory record Official record
Conditions
Down Syndrome
Interventions
Memantine, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 32 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 31, 2013 · Synced Jul 22, 2026, 2:44 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Baltimore Experience Corps Study

NCT00380562
View directory record Official record
Conditions
Aging, Generativity
Interventions
Experience Corps
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
60 Years and older
Enrollment
702 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 18, 2013 · Synced Jul 22, 2026, 2:44 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Evaluating Cognitive Outcomes in Down Syndrome

NCT04208685
View directory record Official record
Conditions
Down Syndrome
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Years to 35 Years
Enrollment
202 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
2
States / cities
Fort Collins, Colorado • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 25, 2023 · Synced Jul 22, 2026, 2:44 PM EDT
Completed Not applicable Interventional

Reducing Disabilities in Alzheimer's Disease (RDAD) Translation in Area Agencies on Aging (AAAs)

NCT01708304
View directory record Official record
Conditions
Alzheimer's Disease, Dementia, Memory Impairment, Cognitive Impairment
Interventions
RDAD
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
65 Years and older
Enrollment
510 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 14, 2017 · Synced Jul 22, 2026, 2:44 PM EDT