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ClinicalTrials.gov public records Last synced Oct 25, 2026, 7:34 PM EDT

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Showing 601–624 of 1,883 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Impaired Cognition Clear all
Completed Not applicable Interventional

Cognitive Remediation Therapy (CRT) for Adults Treated for Cancer

NCT03285048
View directory record Official record
Conditions
Cancer of the Prostate, Cancer
Interventions
Cognitive Remediation Therapy
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 22, 2018 · Synced Oct 25, 2026, 7:34 PM EDT
Recruiting Not applicable Interventional

Effects of Transcutaneous Vagal Nerve Stimulation on Post-Surgical Return to Consciousness, Delirium, and Depression

NCT07610655
View directory record Official record
Conditions
Post Operative Delirium, Cognitive Impairment, Vagus Nerve Stimulation, Depression
Interventions
Transcutaneous vagal nerve stimulation, Sham (No Treatment)
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Oct 25, 2026, 7:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Wayfinding Intervention in High-Fidelity Long-Term Memory

NCT04253587
View directory record Official record
Conditions
Long-Term Memory Decline, Mild Cognitive Impairment
Interventions
LabyrinthVR, Placebo Games, Coherence, Tablet
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
62 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 27, 2023 · Synced Oct 25, 2026, 7:34 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Nature Video to Improve Older Adult Health: A Feasibility Study.

NCT03722316
View directory record Official record
Conditions
Mild Dementia, Mild Cognitive Impairment
Interventions
Immersive Nature Video, Neutral Video
Other
Lead sponsor
University of Southern California
Other
Eligibility
65 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
2
States / cities
Glendale, California • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 4, 2022 · Synced Oct 25, 2026, 7:34 PM EDT
Recruiting Not applicable Interventional

Diet and Cognitive Training in Hematologic Cancer Survivors

NCT05708716
View directory record Official record
Conditions
Cognitive Impairment, Hematologic Malignancy
Interventions
Modified ketogenic diet using an exogenous ketogenic formula, Online cognitive training
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
21 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Oct 25, 2026, 7:34 PM EDT
Completed Phase 3 Interventional Results available

The MENDS2 Study, Maximizing the Efficacy of Sedation and Reducing Neurological Dysfunction and Mortality in Septic Patients With Acute Respiratory Failure

NCT01739933
View directory record Official record
Conditions
Sepsis, Delirium, Impaired Cognition
Interventions
Dexmedetomidine, Propofol
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
438 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
11
States / cities
San Francisco, California • Baton Rouge, Louisiana • Boston, Massachusetts + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2021 · Synced Oct 25, 2026, 7:34 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Implications of Amyloid Pathology

NCT00900770
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Not listed
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
60 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 29, 2009 · Synced Oct 25, 2026, 7:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Peer Support for Increasing Physical Activity in People With Serious Mental Illnesses

NCT00458094
View directory record Official record
Conditions
Schizophrenia, Depression, Bipolar Disorder, Anxiety Disorders, Cognitive Disorders, Personality Disorders
Interventions
Physical activity intervention with peer support (PA+PS), Physical activity intervention without peer support (PA)
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 70 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 6, 2017 · Synced Oct 25, 2026, 7:34 PM EDT
Withdrawn No phase listed Observational

SSRI's and the Rate of Progression From MCI to Dementia

NCT04901494
View directory record Official record
Conditions
Mild Cognitive Impairment, Dementia, Alzheimer Disease
Interventions
SSRI
Drug
Lead sponsor
Ohio State University
Other
Eligibility
50 Years and older
Timeline
2021 – 2023
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 11, 2023 · Synced Oct 25, 2026, 7:34 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Clinical Trial of CNS-targeted HAART (CIT2)

NCT00624195
View directory record Official record
Conditions
HIV Infections
Interventions
FDA Approved Antiretroviral Therapy (see list below)
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
5
States / cities
San Diego, California • San Francisco, California • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2014 · Synced Oct 25, 2026, 7:34 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Clinical Characteristics of Dementias That Occur Remotely After Traumatic Brain Injury in Retired Military Personnel

NCT01891383
View directory record Official record
Conditions
Dementia, Traumatic Brain Injury (TBI), Mild Cognitive Impairment (MCI), Chronic Traumatic Encephalopathy (CTE), Post-traumatic Stress Disorder (PTSD)
Interventions
Not listed
Lead sponsor
Uniformed Services University of the Health Sciences
Federal
Eligibility
50 Years to 95 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
2
States / cities
Yountville, California • Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jan 18, 2019 · Synced Oct 25, 2026, 7:34 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Hormones and Cognition in the Menopausal Transition

NCT01429103
View directory record Official record
Conditions
Age-associated Memory Impairment, Alteration of Cognitive Function
Interventions
Not listed
Lead sponsor
University of Rochester
Other
Eligibility
40 Years to 60 Years · Female only
Enrollment
117 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Mar 1, 2017 · Synced Oct 25, 2026, 7:34 PM EDT
Completed Phase 1 Interventional

Allopregnanolone for Mild Cognitive Impairment Due to Alzheimer's Disease or Mild AD

NCT02221622
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer Disease
Interventions
Allopregnanolone injection (intravenous solution), Placebo injection (intravenous solution)
Drug
Lead sponsor
University of Southern California
Other
Eligibility
55 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 5, 2019 · Synced Oct 25, 2026, 7:34 PM EDT
Completed No phase listed Observational

Prospective Evaluation of Neurocognition in Patients Undergoing Transcatheter Aortic Valve Replacement

NCT05614986
View directory record Official record
Conditions
Mild Cognitive Impairment, Aortic Stenosis
Interventions
5 minute Montreal Cognitive Assessment (mini MoCA)
Other
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
4
States / cities
Dallas, Texas • Fort Worth, Texas • Plano, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Oct 25, 2026, 7:34 PM EDT
Completed Phase 2 Interventional Results available

Biomarkers in Schizophrenia

NCT00817336
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
D Serine, Placebo
Drug
Lead sponsor
Nathan Kline Institute for Psychiatric Research
Other
Eligibility
18 Years to 64 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Orangeburg, New York
Source: ClinicalTrials.gov public record
Updated Aug 2, 2017 · Synced Oct 25, 2026, 7:34 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Interventions in Mathematics and Cognitive Skills

NCT05201534
View directory record Official record
Conditions
Math Learning Disability, Child Development, Developmental Disability, Learning Disabilities, Learning Disabled, Learning Curve, Mathematics Disorder, Dyscalculia, Dyscalculia, Primary, Dyscalculia, Acquired, Specific Learning Disorder, With Impairment in Mathematics, Individuality, Behavior, Child, Behavior and Behavior Mechanisms, Behavior, Decision Making, Neuronal Plasticity, Cognition, Cognition Disorder, Cognitive Dysfunction, Cognitive Change, Cognitive Impairment, Mild, Cognitive Developmental Delay, Cognitive Orientation, Cognitive Delay, Mild, Cognitive Deficits, Mild, Cognitive Abnormality, Neuroscience
Interventions
Interventions in Mathematics and Cognitive Skills - Experimental, Interventions in Mathematics and Cognitive Skills - Active Comparator
Other
Lead sponsor
Stanford University
Other
Eligibility
6 Years to 12 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 25, 2026, 7:34 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Kids With Iron Deficiency and Scoliosis

NCT06042699
View directory record Official record
Conditions
Adolescent Idiopathic Scoliosis, Neuromuscular Scoliosis, Perioperative/Postoperative Complications, Iron Deficiencies, Anemia, Spinal Fusion, Postoperative Cognitive Dysfunction
Interventions
Oral ferrous sulfate, Oral placebo tablet
Dietary Supplement
Lead sponsor
Columbia University
Other
Eligibility
10 Years to 26 Years
Enrollment
275 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 25, 2026, 7:34 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cognitive Dysfunction in Postural Tachycardia Syndrome

NCT01366963
View directory record Official record
Conditions
Postural Tachycardia Syndrome
Interventions
Seated Measurements, Standing Measurements, Self-Administered Surveys
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 17, 2016 · Synced Oct 25, 2026, 7:34 PM EDT
Completed Not applicable Interventional Results available

Use of Socially Assistive Robots for Long Term Care Older Adults With Cognitive Impairment and Apathy

NCT05178992
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Socially Assistive Robot Activity
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
60 Years and older
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 23, 2026 · Synced Oct 25, 2026, 7:34 PM EDT
Completed Not applicable Interventional

The Mental Activity and eXercise Trial for Seniors

NCT00522899
View directory record Official record
Conditions
Cognitive Impairment
Interventions
Group 1, Group 2, Group 3, Group 4
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
65 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 9, 2012 · Synced Oct 25, 2026, 7:34 PM EDT
Completed Not applicable Interventional Results available

Hearing Aid and Individuals With Cognitive Disorders

NCT04049643
View directory record Official record
Conditions
Presbycusis, Bilateral, Alzheimer Disease 2 Due to Apoe4 Isoform, Mild Cognitive Impairment
Interventions
Audiologist-based fitting, Service-only Fitting, Device-only fitting
Device
Lead sponsor
Yu-Hsiang Wu
Other
Eligibility
55 Years to 85 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
2
States / cities
Iowa City, Iowa • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 17, 2025 · Synced Oct 25, 2026, 7:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Prospective, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Effects of LasoperinTM on Cognitive Function in Healthy Adults

NCT05994391
View directory record Official record
Conditions
Cognitive Impairment, Cognitive Decline, Cognition Disorders in Old Age, Well-Being, Psychological, Inflammation, Cognitive Fun
Interventions
LasoperinTM, Placeo
Dietary Supplement
Lead sponsor
Lindenwood University
Other
Eligibility
30 Years to 60 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 16, 2023 · Synced Oct 25, 2026, 7:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Brain Vascular and Neurocognitive Health

NCT06497413
View directory record Official record
Conditions
Cognitive Decline, Cognitive Dysfunction, Alzheimer Disease, Vascular Disease, Peripheral
Interventions
Transcranial Photobiomodulation, Transcranial Photobiomodulation helmet (Neuradiant 1070 Plus) with no light administered
Device
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
18 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Arlington, Texas
Source: ClinicalTrials.gov public record
Updated Oct 6, 2025 · Synced Oct 25, 2026, 7:34 PM EDT
Recruiting Not applicable Interventional

Cognitive Remediation

NCT07171450
View directory record Official record
Conditions
Aging, Inflammation, Cognitive Remediation, Cognitive Dysfunction, Postviral Syndrome, Digital Medicine
Interventions
Computerized Cognitive Remediation, Alternative Computer Activities
Other
Lead sponsor
Cutter Lindbergh
Other
Eligibility
60 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Oct 25, 2026, 7:34 PM EDT