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ClinicalTrials.gov public records Last synced Oct 21, 2026, 7:56 PM EDT

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Showing 313–336 of 1,870 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Neurocognitive Dysfunction Clear all
Completed Not applicable Interventional Results available

Palliative Care for Persons With ADRD and CI in SNF

NCT05308004
View directory record Official record
Conditions
Advance Care Planning, Palliative Care, Skilled Nursing Facility, Cognitive Impairment
Interventions
Palliative Care Consultation
Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
60 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 27, 2024 · Synced Oct 21, 2026, 7:56 PM EDT
Active, not recruiting Not applicable Interventional

Neurofeedback to Improve Working Memory in Mild Cognitive Impairment

NCT04566900
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Neurofeedback, Placebo
Behavioral · Other
Lead sponsor
University of California, San Diego
Other
Eligibility
50 Years to 85 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 21, 2026, 7:56 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Link Between Anemia and Deficits in Memory and Attention in Individuals With Sickle Cell Disease

NCT00451919
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
21 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 19, 2016 · Synced Oct 21, 2026, 7:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vision-based Speed of Processing Cognitive Training and Mild Cognitive Impairment

NCT02559063
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Vision-based speed of processing training, Mental leisure activities
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
60 Years and older
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Oct 2, 2019 · Synced Oct 21, 2026, 7:56 PM EDT
Completed No phase listed Observational

Chemotherapy-related Cognitive Impairment and Acute Leukemia

NCT04644419
View directory record Official record
Conditions
Acute Myeloid Leukemia
Interventions
none (observational study)
Other
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 6, 2023 · Synced Oct 21, 2026, 7:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Cognitive Ageing Nutrition and Neurogenesis (CANN) Trial

NCT02525198
View directory record Official record
Conditions
Mild Cognitive Impairment, Subjective Memory Impairment
Interventions
fatty acid/flavonoid blend, Placebo
Dietary Supplement
Lead sponsor
University of East Anglia
Other
Eligibility
55 Years and older
Enrollment
259 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated May 14, 2024 · Synced Oct 21, 2026, 7:56 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Disease Modifying Potential of 5mg of Melatonin on Cognition and Brain Health in Aging

NCT03954899
View directory record Official record
Conditions
Mild Cognitive Impairment, Cognitive Decline, Healthy Aging
Interventions
melatonin, placebo
Dietary Supplement · Other
Lead sponsor
Natalie Denburg
Other
Eligibility
56 Years to 85 Years
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 21, 2026, 7:56 PM EDT
Recruiting No phase listed Observational

Characterizing Cognitive Decline in Late Life Depression: The ADNI Depression Project

NCT02434393
View directory record Official record
Conditions
Major Depression, Late Life Depression (LLD)
Interventions
Not listed
Lead sponsor
University of Southern California
Other
Eligibility
65 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
2
States / cities
San Francisco, California • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Oct 21, 2026, 7:56 PM EDT
Recruiting Phase 2 Interventional

Pathways Relating Amnestic MCI to a Mild Traumatic Brain Injury History

NCT05446584
View directory record Official record
Conditions
Mild Cognitive Impairment, Amnestic Mild Cognitive Disorder, Amnestic Mild Cognitive Impairment, Mild Traumatic Brain Injury, Concussion, Brain
Interventions
High Definition Transcranial Direct Current Stimulation
Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
55 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 21, 2026, 7:56 PM EDT
Active, not recruiting No phase listed Observational

Long Term Follow up of Children Enrolled in the REDvent Study

NCT03709199
View directory record Official record
Conditions
Respiratory Distress Syndrome, Adult, Ventilator-Induced Lung Injury, Neurocognitive Dysfunction, Quality of Life, Respiration Disorders
Interventions
Ventilation Inhomogeneity, Diaphragm Ultrasound, Respiratory Inductance Plethysmography, Spirometry, Functional Residual Capacity, MIP/MEP, 6 minute walk test, Neurocognitive Testing, Emotional Health Assessment, Health Related Quality of Life, Functional Status, Respiratory Status Questionnaire
Diagnostic Test
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
1 Month to 18 Years
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 17, 2025 · Synced Oct 21, 2026, 7:56 PM EDT
Completed Phase 2Phase 3 Interventional

Trial of Memantine for Cognitive Impairment in Multiple Sclerosis

NCT00300716
View directory record Official record
Conditions
Multiple Sclerosis, Cognition Disorders
Interventions
Memantine
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 65 Years
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
4
States / cities
Los Angeles, California • Portland, Oregon • Dallas, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2019 · Synced Oct 21, 2026, 7:56 PM EDT
Completed Phase 4 Interventional Results available

Rasagiline in the Treatment of Persistent Negative Symptoms of Schizophrenia

NCT00492336
View directory record Official record
Conditions
Schizophrenia
Interventions
rasagiline (Pharmacodynamics), Placebo
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 64 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
5
States / cities
Baltimore, Maryland • Catonsville, Maryland • Dundalk, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 25, 2019 · Synced Oct 21, 2026, 7:56 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Assessment and Rehabilitation of Cognitive Impairments in Pediatric Survivors of Cancer

NCT00490334
View directory record Official record
Conditions
Neoplasms
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
9 Years to 16 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 21, 2015 · Synced Oct 21, 2026, 7:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Prevention of Depression in Spouses of People With Cognitive Impairment

NCT00321971
View directory record Official record
Conditions
Depression
Interventions
PST-MCI/AD Caregiving, NT-MCI/AD Caregiving
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 3, 2018 · Synced Oct 21, 2026, 7:56 PM EDT
Completed Phase 1Phase 2 Interventional Results available

NAD Therapy for Improving Memory and Brain Blood Flow in Older Adults With Mild Cognitive Impairment

NCT03482167
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Niagen®, Placebo
Drug · Other
Lead sponsor
University of Delaware
Other
Eligibility
60 Years to 90 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Apr 4, 2025 · Synced Oct 21, 2026, 7:56 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Targeted Transcranial Magnetic Stimulation to Improve Hippocampal-dependent Declarative Memory Abilities

NCT03574207
View directory record Official record
Conditions
Mild Cognitive Impairment, Memory Loss
Interventions
Transcranial magnetic stimulation
Device
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2027
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Mar 25, 2026 · Synced Oct 21, 2026, 7:56 PM EDT
Completed No phase listed Observational

Relationships Among Cognitive Function, Lifestyle, and Exercise After Cancer Treatment

NCT02523677
View directory record Official record
Conditions
Breast Cancer, Cognitive Impairment
Interventions
Not listed
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
21 Years and older · Female only
Enrollment
456 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 6, 2017 · Synced Oct 21, 2026, 7:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Home-Based Assessment for Alzheimer Disease Prevention

NCT00546767
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer's Disease
Interventions
Mail and Live Phone, Interactive Voice Response (IVR), Home-based Computer Kiosk, Traditional Evaluation Instruments
Behavioral
Lead sponsor
Alzheimer's Disease Cooperative Study (ADCS)
Other
Eligibility
75 Years and older
Enrollment
640 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
28
States / cities
Birmingham, Alabama • Sun City, Arizona • Irvine, California + 23 more
Source: ClinicalTrials.gov public record
Updated Sep 16, 2014 · Synced Oct 21, 2026, 7:56 PM EDT
Completed Not applicable Interventional Results available

Involving Family to Improve Communication in Primary Care

NCT02986958
View directory record Official record
Conditions
Cognitive Impairment
Interventions
Pre-visit patient-family agenda-setting checklist, Usual care
Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
65 Years and older
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
3
States / cities
Aberdeen, Maryland • Baltimore, Maryland • Westminster, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 31, 2018 · Synced Oct 21, 2026, 7:56 PM EDT
Active, not recruiting Phase 2 Interventional

Transcranial Photobiomodulation for Alzheimer's Disease (TRAP-AD)

NCT04784416
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer Disease
Interventions
Active tPBM-2.0, Sham tPBM-2.0, 18F-MK-6240
Device · Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
65 Years to 85 Years
Enrollment
196 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
3
States / cities
Boston, Massachusetts • New York, New York • Orangeburg, New York
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Oct 21, 2026, 7:56 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Remote Sensing for ADRD-Specific Activities Identification in Older Adults

NCT07120347
View directory record Official record
Conditions
Alzheimer Disease and Related Dementias (ADRD), Mild Cognitive Impairment (MCI)
Interventions
Remote Ambient Sensor System
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
50 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 13, 2025 · Synced Oct 21, 2026, 7:56 PM EDT
Completed Phase 1Phase 2 Interventional Results available

A Safety and Dose Ranging Study of Idursulfase (Intrathecal) Administration Via an Intrathecal Drug Delivery Device in Pediatric Patients With Hunter Syndrome Who Have Central Nervous System Involvement and Are Receiving Treatment With Elaprase®

NCT00920647
View directory record Official record
Conditions
Hunter Syndrome
Interventions
Control, Idursulfase IT (1 mg), Idursulfase IT (10 mg), Idursulfase IT (30 mg)
Other · Drug
Lead sponsor
Shire
Industry
Eligibility
3 Years to 18 Years · Male only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 28, 2021 · Synced Oct 21, 2026, 7:56 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Reversal of General Anesthesia With Methylphenidate

NCT02051452
View directory record Official record
Conditions
Post Operative Cognitive Dysfunction, Emergence From Anesthesia
Interventions
Methylphenidate, Saline
Drug · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 22, 2019 · Synced Oct 21, 2026, 7:56 PM EDT
Completed Not applicable Interventional Results available

Cognitive Dysfunction in Parkinson's Disease

NCT02346708
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Real TMS, Sham TMS
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
40 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 9, 2021 · Synced Oct 21, 2026, 7:56 PM EDT