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Showing 1–24 of 1,458 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Mental Impairment Clear all
Completed Not applicable Interventional

Treatment for Word Retrieval Impairments in Aphasia

NCT00764400
View directory record Official record
Conditions
Stroke
Interventions
Word Retrieval Treatments for Aphasia
Behavioral
Lead sponsor
Old Dominion University
Other
Eligibility
21 Years to 90 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Sep 23, 2026, 5:30 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Home Sleep Therapy for Older Adults With MCI

NCT05771844
View directory record Official record
Conditions
Mild Cognitive Impairment, Sleep, Transcranial Electrical Stimulation, Machine Learning, Memory
Interventions
Transcranial Electrical Stimulation
Device
Lead sponsor
Brain Electrophysiology Laboratory Company
Industry
Eligibility
40 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
2
States / cities
Winston-Salem, North Carolina • Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 16, 2025 · Synced Sep 23, 2026, 5:30 PM EDT
Recruiting Not applicable Interventional

Brief Interventions to Reduce Comorbid Alcohol and Cannabis Misuse and Sleep Impairment in Young Adults (Rest-Up RCT)

NCT06736444
View directory record Official record
Conditions
Insomnia, Alcohol Use, Marijuana Use
Interventions
Brief Behavioral Therapy for Insomnia (BBTI), Brief Alcohol Screening and Intervention for College Students (BASICS), Attention Control
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 29 Years
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Sep 23, 2026, 5:30 PM EDT
Not yet recruiting Not applicable Interventional

Sleep Interventions and Neurocognitive Outcomes

NCT05987007
View directory record Official record
Conditions
Sleep Disturbance, Amnestic Mild Cognitive Impairment
Interventions
Acoustic slow-wave activity enhancement, Cognitive behavioral therapy for insomnia
Device · Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
60 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 2, 2026 · Synced Sep 23, 2026, 5:30 PM EDT
Completed Not applicable Interventional

Improving Thinking in Everyday Life: Pilot Study A

NCT03873844
View directory record Official record
Conditions
Cognitive Impairment
Interventions
Speed of Processing Training, Transfer Package from CI Therapy
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 27, 2024 · Synced Sep 23, 2026, 5:30 PM EDT
Completed Not applicable Interventional

Effect of Medium Chain Triglyceride Oil Supplementation in Mild Cognitive Impairment

NCT01669200
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Medium Chain Triglyceride Oil, Placebo Oil
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
50 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 28, 2022 · Synced Sep 23, 2026, 5:30 PM EDT
Completed No phase listed Observational

Family Involvement Hospital Ethnography

NCT06374992
View directory record Official record
Conditions
Dementia
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
32 participants
Timeline
2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 23, 2026, 5:30 PM EDT
Completed Phase 2 Interventional Results available

Treatment Study for Cognitive Deficits in Schizophrenia

NCT00505076
View directory record Official record
Conditions
Schizophrenia
Interventions
MK-0777, placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 60 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
8
States / cities
Los Angeles, California • Catonsville, Maryland • Boston, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 30, 2014 · Synced Sep 23, 2026, 5:30 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Evaluation of [18F]APN-1607 PET Uptake in Alzheimer's Disease Patients Compared With Healthy Subjects

NCT04141150
View directory record Official record
Conditions
Alzheimer's Disease, Mild Cognitive Impairment Due to Alzheimer's Disease, Healthy Volunteers
Interventions
[18F]APN-1607
Drug
Lead sponsor
APRINOIA Therapeutics, LLC
Industry
Eligibility
50 Years to 85 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
3
States / cities
New Haven, Connecticut • Mount Arlington, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 14, 2023 · Synced Sep 23, 2026, 5:30 PM EDT
Completed Not applicable Interventional Results available

Problem Adaptation Therapy (PATH) vs. Supportive Therapy in Treating Depressed, Cognitively Impaired Older Adults

NCT00368940
View directory record Official record
Conditions
Depression
Interventions
PATH, ST-CI
Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
65 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
White Plains, New York
Source: ClinicalTrials.gov public record
Updated Jul 23, 2017 · Synced Sep 23, 2026, 5:30 PM EDT
Completed Not applicable Interventional

Promoting Independence With Compensatory Cognitive Rehabilitation

NCT04820335
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer Disease
Interventions
Structured External Memory Aid Treatment (SEMAT)
Behavioral
Lead sponsor
University of Delaware
Other
Eligibility
60 Years to 90 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Sep 23, 2026, 5:30 PM EDT
Recruiting No phase listed Observational

Alzheimer's National Registry for Treatment and Diagnostics(ALZ-NET)

NCT06170268
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Routine Care Documentation
Other
Lead sponsor
Alzheimer's Disease and Related Disorders Association, Inc
Other
Eligibility
18 Years and older
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2032
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 13, 2023 · Synced Sep 23, 2026, 5:30 PM EDT
Completed Phase 4 Interventional Results available

Solriamfetol's Effect on Cognitive Health in Apnea Participants During a Randomized Placebo-controlled Study

NCT04789174
View directory record Official record
Conditions
Excessive Daytime Sleepiness, Obstructive Sleep Apnea, Impaired Cognitive Function
Interventions
Solriamfetol, Placebo
Drug
Lead sponsor
Axsome Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
15
States / cities
Los Angeles, California • Santa Ana, California • Jacksonville, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced Sep 23, 2026, 5:30 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

An Innovative Platform for Objective Monitoring of Instrumental Activities of Daily Living

NCT05703490
View directory record Official record
Conditions
Dementia, Cognitive Impairment, Alzheimer Disease
Interventions
IADLSys system
Diagnostic Test
Lead sponsor
Bijan Najafi, PhD
Other
Eligibility
50 Years to 95 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 12, 2025 · Synced Sep 23, 2026, 5:30 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1, Non-Randomized, Open-Label, Single-Dose Study To Evaluate The Pharmacokinetics, Safety, And Tolerability Of Dimebon [PF 01913539] In Subjects With Severely-Impaired And Normal Renal Function

NCT00824590
View directory record Official record
Conditions
Alzheimer's Disease, Huntington's Disease
Interventions
Dimebon
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
2
States / cities
Miami, Florida • Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 29, 2009 · Synced Sep 23, 2026, 5:30 PM EDT
Recruiting No phase listed Observational

Determinants of Incident Stroke Cognitive Outcomes and Vascular Effects on RecoverY

NCT04916210
View directory record Official record
Conditions
Ischemic Stroke, Intracerebral Hemorrhage, Subarachnoid Hemorrhage, Dementia, Vascular, Mild Cognitive Impairment, Vascular Cognitive Impairment
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
8,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
31
States / cities
Phoenix, Arizona • Los Angeles, California • San Diego, California + 24 more
Source: ClinicalTrials.gov public record
Updated Sep 13, 2026 · Synced Sep 23, 2026, 5:30 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Linus Health CDS Retrospective Validation Study

NCT05900310
View directory record Official record
Conditions
Cognitive Impairment, Motor Disorders, Dementia
Interventions
Core Cognitive Evaluation (CCE)
Diagnostic Test
Lead sponsor
Linus Health, Inc.
Industry
Eligibility
55 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 11, 2023 · Synced Sep 23, 2026, 5:30 PM EDT
Terminated Not applicable Interventional Results available

Assessment of Medication Optimization in Rural Kentucky Appalachian Patients With Mild Cognitive Impairment or Dementia

NCT05078437
View directory record Official record
Conditions
Dementia, Mild Cognitive Impairment
Interventions
Medication therapy management
Behavioral
Lead sponsor
Daniela Moga
Other
Eligibility
60 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 22, 2024 · Synced Sep 23, 2026, 5:30 PM EDT
Terminated Phase 2 Interventional Results available

Study of the Efficacy and Safety of Various Anti-inflammatory Agents in Participants With Mild Cognitive Impairment or Mild Alzheimer's Disease

NCT04795466
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer Disease
Interventions
Canakinumab, Placebo
Biological · Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
45 Years to 90 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
2
States / cities
Charlestown, Massachusetts • Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Oct 15, 2025 · Synced Sep 23, 2026, 5:30 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Preoperative Cognitive Screening of Surgical Patients 65 Years of Age or Older

NCT02570451
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Patient Survey, Mini Cog, Independent Activities of Daily Living Score Sheet, Activities of Daily Living Score Sheet, Geriatric Depression Scale Short Form, Confusion Assessment Method (CAM), RAND 36-Item Short Form Health Survey, Grip Strength
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
65 Years and older
Enrollment
711 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 14, 2021 · Synced Sep 23, 2026, 5:30 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Improved Diagnosis of Alzheimer's Disease Using the Synchronous Neural Interaction™ Test

NCT00666445
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Not listed
Lead sponsor
Orasi Medical, Inc.
Industry
Eligibility
18 Years to 90 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
3
States / cities
Minneapolis, Minnesota • Plymouth, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 12, 2010 · Synced Sep 23, 2026, 5:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Framework For Linking Sequential Pattern Rules in DLD: Perception in Adults

NCT04996472
View directory record Official record
Conditions
Developmental Language Disorder, Speech Sound Disorder, Specific Language Impairment
Interventions
Sensitivity to phonological rules: Adults, Sensitivity to semantic category cues: Adults
Behavioral
Lead sponsor
Father Flanagan's Boys' Home
Other
Eligibility
18 Years to 30 Years
Enrollment
933 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
2
States / cities
Tucson, Arizona • Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 26, 2025 · Synced Sep 23, 2026, 5:30 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Development and Validation of a PTSD-Related Functional Impairment Scale

NCT00651872
View directory record Official record
Conditions
Stress Disorders, Post-Traumatic
Interventions
Not listed
Lead sponsor
Boston VA Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
740 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
2
States / cities
Silver Springs, Maryland • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 5, 2014 · Synced Sep 23, 2026, 5:30 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Thermoregulation and Cognition During Cool Ambient Exposure in Tetraplegia

NCT02379156
View directory record Official record
Conditions
Tetraplegia, Hypothermia, Mild Cognitive Impairment
Interventions
Midodrine Hydrochloride, Cool Temperature
Drug · Other
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 68 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2022
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Mar 20, 2025 · Synced Sep 23, 2026, 5:30 PM EDT