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Showing 1–24 of 157 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Normal Cognition Clear all
Completed Early Phase 1 Interventional

Docosahexaenoic Acid (DHA) To Prevent Development of Cognitive Dysfunction Due to Chemotherapy

NCT02517502
View directory record Official record
Conditions
Cognitive Dysfunction
Interventions
DHA, Placebo
Drug
Lead sponsor
Carol Fabian, MD
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
2
States / cities
Decatur, Illinois • Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 23, 2022 · Synced Jul 22, 2026, 8:36 AM EDT
Completed Not applicable Interventional

RISE - Reduce Sitting Time Among Breast Cancer Survivors

NCT05260723
View directory record Official record
Conditions
Sedentary Behavior, Sedentary Time, Breast Cancer
Interventions
Behavioral: Sit Less
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
50 Years and older · Female only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated May 11, 2023 · Synced Jul 22, 2026, 8:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Establishment of a Bank of Biospecimens for Future Research on Age-related Cognitive Disorders

NCT00911690
View directory record Official record
Conditions
Dementia, Alzheimers Disease
Interventions
Not listed
Lead sponsor
Corewell Health East
Other
Eligibility
60 Years to 90 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 3, 2016 · Synced Jul 22, 2026, 8:36 AM EDT
Completed Phase 1 Interventional

Computer-Based Training in Patients With Post-Chemotherapy Cognitive Impairment

NCT00387062
View directory record Official record
Conditions
Breast Cancer, Cognitive Symptoms, Memory Disorders
Interventions
Computer-based Cognitive Training
Device
Lead sponsor
Posit Science Corporation
Industry
Eligibility
21 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 23, 2008 · Synced Jul 22, 2026, 8:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Skeletal and Cognitive Effects of Nutrition From Eggs

NCT03739424
View directory record Official record
Conditions
Bone Health, Cognitive Health
Interventions
Whole egg powder, Whole milk powder, Gelatin food product
Other
Lead sponsor
University of Georgia
Other
Eligibility
9 Years to 13 Years
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 2, 2020 · Synced Jul 22, 2026, 8:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cognitive Dysfunction and Breast Cancer Coping Strategies Impact on QOL

NCT03476226
View directory record Official record
Conditions
Breast Cancer
Interventions
Cognitive Dysfunction Coping Strategy Teaching Sheet
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
6
States / cities
Barrington, Illinois • Chicago, Illinois • Elgin, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 3, 2024 · Synced Jul 22, 2026, 8:36 AM EDT
Completed Not applicable Interventional

Meditation and Cognitive Function in Women With Breast Cancer

NCT00556218
View directory record Official record
Conditions
Breast Cancer
Interventions
Tibetan Meditation Program, No Meditation
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 29, 2022 · Synced Jul 22, 2026, 8:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Test of A Model of Representational Knowledge Stored in the Human Prefrontal Cortex

NCT00024908
View directory record Official record
Conditions
Intracranial Central Nervous System Disorder, Mental Disorder, Healthy
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
6 Years to 90 Years
Enrollment
949 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 22, 2026, 8:36 AM EDT
Completed Not applicable Interventional

Integrated Intervention for Breast Cancer Survivors With Diabetes

NCT05092477
View directory record Official record
Conditions
Diabetes, Breast Cancer
Interventions
Integrated Intervention for Breast Cancer Survivors with Diabetes, Attention Control
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
55 Years and older · Female only
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
3
States / cities
Chicago, Illinois • New Hyde Park, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 22, 2023 · Synced Jul 22, 2026, 8:36 AM EDT
Recruiting Not applicable Interventional

The RolE of Prolonged Nightly faSTing to Improve Sleep and cOgnition in bREast Cancer Survivors

NCT06938555
View directory record Official record
Conditions
Breast Cancer Survivor, Cancer Related Cognitive Difficulties, Sleep, Quality of Life
Interventions
Prolonged Nightly Fasting, Health Education Videos
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Jul 22, 2026, 8:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Eye-Hand Coordination in Children With Spastic Diplegia

NCT00024791
View directory record Official record
Conditions
Diplegia, Spastic
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 22, 2026, 8:36 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

Advancing Postmenopausal Preventive Therapy

NCT04103476
View directory record Official record
Conditions
Atherosclerosis, Cognitive Decline
Interventions
Oral bazedoxifene 20 mg / conjugated estrogens 0.45 mg, Placebo
Combination Product · Other
Lead sponsor
University of Southern California
Other
Eligibility
45 Years to 59 Years · Female only
Enrollment
385 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 4, 2024 · Synced Jul 22, 2026, 8:36 AM EDT
Completed Not applicable Interventional

Computerized Cognitive Retraining in Improving Cognitive Function in Breast Cancer Survivors

NCT02662335
View directory record Official record
Conditions
Cancer Survivor, Stage 0 Breast Cancer, Stage IA Breast Cancer, Stage IB Breast Cancer, Stage IIA Breast Cancer, Stage IIB Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer
Interventions
Computer-Assisted Cognitive Training, Questionnaire Administration, Standard Follow-Up Care
Other · Procedure
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 12, 2017 · Synced Jul 22, 2026, 8:36 AM EDT
Completed Phase 3 Interventional Results available

Brain Function in Premenopausal Women Receiving Tamoxifen With or Without Ovarian Function Suppression for Early-Stage Breast Cancer on Clinical Trial IBCSG 24-02

NCT00659373
View directory record Official record
Conditions
Breast Cancer, Fatigue, Sleep Disorders
Interventions
Tamoxifen, triptorelin, Exemestane
Drug
Lead sponsor
ETOP IBCSG Partners Foundation
Network
Eligibility
Up to 120 Years · Female only
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2016
U.S. locations
13
States / cities
Sacramento, California • Fort Collins, Colorado • Norwalk, Connecticut + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 24, 2016 · Synced Jul 22, 2026, 8:36 AM EDT
Completed Phase 4 Interventional Results available

Lurasidone Effects on Tissue Glutamate in Schizophrenia

NCT02199743
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Lurasidone, Haloperidol, Perphenazine
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 28, 2021 · Synced Jul 22, 2026, 8:36 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Imaging Tau in Alzheimer's Disease and Normal Aging

NCT03373604
View directory record Official record
Conditions
Alzheimer Disease
Interventions
18F-MK-6240, Lumbar Puncture (optional)
Drug · Procedure
Lead sponsor
Patrick Lao
Other
Eligibility
50 Years to 100 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 7, 2025 · Synced Jul 22, 2026, 8:36 AM EDT
Completed No phase listed Observational

Studies of Frontal Lobe Brain Functioning in Schizophrenia

NCT00001258
View directory record Official record
Conditions
Healthy Subjects, Schizophrenia, Parkinson Disease
Interventions
Oxygen-15 Water
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 90 Years
Enrollment
1,039 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1993
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Jul 22, 2026, 8:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Feasibility of an 8-week Tai Chi Chuan Intervention for Breast Cancer Survivors

NCT03196037
View directory record Official record
Conditions
Cancer, Breast, Cognitive Impairment
Interventions
Tai Chi
Behavioral
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 6, 2019 · Synced Jul 22, 2026, 8:36 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Valproic Acid in Subjects With Intact Cognition - Proof of Concept Study

NCT01729598
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Valproic Acid, Placebo
Drug
Lead sponsor
Gregory Jicha, 323-5550
Other
Eligibility
65 Years to 90 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 8, 2019 · Synced Jul 22, 2026, 8:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

At-Home Research Study for Patients With Autoimmune, Inflammatory, Genetic, Hematological, Infectious, Neurological, CNS, Oncological, Respiratory, Metabolic Conditions

NCT01931644
View directory record Official record
Conditions
All Diagnosed Health Conditions, ADD/ADHD, Alopecia Areata, Ankylosing Spondylitis, Asthma, Atopic Dermatitis Eczema, Beta Thalassemia, Bipolar Disorder, Breast Cancer, Celiac Disease, Cervical Cancer, Chronic Inflammatory Demyelinating Polyneuropathy, Chronic Kidney Diseases, Chronic Obstructive Pulmonary Disease, Colon Cancer, Colorectal Cancer, Crohn's Disease, Cystic Fibrosis, Depression, Diabetes Mellitus, Duchenne Muscular Dystrophy, Endometriosis, Epilepsy, Facioscapulohumeral Muscular Dystrophy, G6PD Deficiency, General Anxiety Disorder, Hepatitis B, Hereditary Hemorrhagic Telangiectasia, HIV/AIDS, Human Papilloma Virus, Huntington's Disease, Idiopathic Thrombocytopenic Purpura, Insomnia, Kidney Cancer, Leukemia, Lung Cancer, Lupus Nephritis, Lymphoma, Melanoma, Multiple Myeloma, Multiple Sclerosis, Myositis, Myotonic Dystrophy, Ovarian Cancer, Pancreatic Cancer, Parkinson's Disease, Polycystic Kidney Diseases, Prostate Cancer, Psoriasis, Psoriatic Arthritis, Rosacea, Scleroderma, Sickle Cell Anemia, Sickle Cell Trait, Sjogren's Syndrome, Skin Cancer, Spinal Muscular Atrophy, Systemic Lupus Erythematosus, Thrombotic Thrombocytopenic Purpura, Trisomy 21, Ulcerative Colitis
Interventions
Not listed
Lead sponsor
Sanguine Biosciences
Industry
Eligibility
18 Years to 100 Years
Enrollment
17,667 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 17, 2024 · Synced Jul 22, 2026, 8:36 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase I Study To Estimate The Effect Of Ketoconazole And Omeprazole On The Pharmacokinetics Of Dimebon In Healthy Subjects Who Are Normal Or Poor CYP2D6 Metabolizers

NCT00931073
View directory record Official record
Conditions
Alzheimer's Disease, Huntington's Disease
Interventions
Dimebon alone, Dimebon + Ketoconazole, Dimebon + Omeprazole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Kalamazoo, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 17, 2009 · Synced Jul 22, 2026, 8:36 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Wisconsin Brain Donor Program

NCT00585572
View directory record Official record
Conditions
Alzheimer's Disease, Mild Cognitive Impairment
Interventions
Not listed
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
9,999 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2050
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Jul 22, 2026, 8:36 AM EDT
Completed Not applicable Interventional

Treating Cancer-Related Fatigue Through Systematic Light Exposure

NCT01873794
View directory record Official record
Conditions
Hematopoietic Stem Cell Transplantation, Breast Cancer, Fatigue, Mild Cognitive Impairment, Light, Quality of Life, Sleep
Interventions
Bright white light, Dim red light
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
2
States / cities
Hackensack, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 10, 2017 · Synced Jul 22, 2026, 8:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Meditation on Cognitive Function and Quality of Life

NCT02162329
View directory record Official record
Conditions
Breast Cancer
Interventions
Questionnaires, Electroencephalography (EEG), Magnetic Resonance Imaging (fMRI, Meditation Classes
Behavioral · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
35 Years to 65 Years · Female only
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 19, 2022 · Synced Jul 22, 2026, 8:36 AM EDT