Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 20, 2026, 3:39 PM EDT

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Showing 961–984 of 1,065 matching trials from the live ClinicalTrials.gov search.
Conditions
Mild Cognitive Impairment
Interventions
Intervention (videoconferencing)
Other
Lead sponsor
University of Michigan
Other
Eligibility
55 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Menopause, Sleep Disturbance, Anxiety, Depression, Cognitive Function, Fatigue, Libido
Interventions
Radicle Revive Placebo Control Form 4.1, Radicle Revive Active Study Product 4.1 Usage
Dietary Supplement
Lead sponsor
Radicle Science
Industry
Eligibility
21 Years to 105 Years · Female only
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Del Mar, California
Terminated Not applicable Interventional Accepts healthy volunteers

Vitamin D Supplementation and Metabolism in Vitamin D Deficient Elderly

NCT01145703
Conditions
Vitamin D Deficiency, Metabolic Syndrome
Interventions
RDA Vitamin D3 only, Vitamin D2/3 Repletion only, Vitamin D2/3 Repletion + AEX, Vitamin D2/3 Repletion + RT
Dietary Supplement · Other
Lead sponsor
Baltimore VA Medical Center
Federal
Eligibility
40 Years to 85 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Aging, Cognitive Decline, Older Adults, Cardiovascular, Sedentary Behaviors, Immune Senescence, Motor Function
Interventions
Risk managment, Dasatinib, Quercetin (dietary supplement), Vortioxetine
Behavioral · Drug · Dietary Supplement
Lead sponsor
Washington University School of Medicine
Other
Eligibility
50 Years to 70 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Congenital Heart Defect, Executive Function, Children, Neurodevelopmental Disorders, Working Memory, Infant Open Heart Surgery
Interventions
Cogmed Working Memory Training
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
7 Years to 12 Years
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Not listed No phase listed Observational Accepts healthy volunteers

Neural and Cognitive Consequences of COVID-19 Survival

NCT06208943
Conditions
COVID Long-Haul, COVID-19, COVID-19 Pandemic, Brain Fog, Memory Deficits, Concentration Ability Impaired, Fatigue
Interventions
cross-sectional MRI and EEG assessments (NO INTERVENTION)
Other
Lead sponsor
San Francisco Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
San Francisco, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Daily Stress and Vascular Function in Midlife as a Risk Factor for Cognitive Decline

NCT06466655
Conditions
Middle-aged Adults, Major Depressive Disorder
Interventions
MitoTempol, Lactated Ringer's (control)
Drug
Lead sponsor
University of Delaware
Other
Eligibility
40 Years to 55 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Newark, Delaware
Conditions
Diabetes, Executive Dysfunction
Interventions
Cholecalciferol
Drug
Lead sponsor
Loyola University
Other
Eligibility
18 Years to 75 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Maywood, Illinois
Conditions
Postoperative Delirium, PD, Postoperative Cognitive Dysfunction, POCD
Interventions
Precedex (Dexmedetomidine), Placebo
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
68 Years and older
Enrollment
404 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
10
States / cities
Miami, Florida • Baltimore, Maryland • College Park, Maryland + 7 more
Conditions
Autism Spectrum Disorder (ASD)
Interventions
Omega-3 Fatty Acid
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
6 Years to 17 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Transcranial Magnetic Stimulation to the Cerebellum on Cognition

NCT00740701
Conditions
Cognitive Performance
Interventions
Cerebellar transcranial magnetic stimulation
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
19 Years to 30 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2005
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Cognitive Function
Interventions
Clarity Product Placebo Control, Clarity Active Product 1
Dietary Supplement
Lead sponsor
Radicle Science
Industry
Eligibility
21 Years to 105 Years
Enrollment
850 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Del Mar, California
Conditions
Multiple Sclerosis
Interventions
Aerobic exercise, Stretching and toning exercise
Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 59 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Substance Abuse, Substance Dependence, Alcohol Abuse, Drug Use, Relapse
Interventions
Dual Processing, Relapse Prevention
Behavioral
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Falls Church, Virginia
Recruiting Not applicable Interventional Accepts healthy volunteers

Parent-Child EF Intervention

NCT06924307
Conditions
Cognitive Intervention to Promote Healthy Development of Executive Function (EF) Skills in Young Children
Interventions
Executive Function Intervention
Device
Lead sponsor
Koronis Biomedical Technologies
Industry
Eligibility
2 Years to 5 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Minneapolis, Minnesota • New York, New York
Conditions
Alzheimer Disease, Alzheimer Dementia, Vascular Dementia, Lewy Body Disease, Lewy Body Dementia With Behavioral Disturbance (Disorder), Dementia, Mixed, Parkinson-Dementia Syndrome, Chronic Traumatic Encephalopathy, Huntington's Dementia, Wernicke Korsakoff Syndrome, Traumatic Brain Injury, Dementia, Multi-Infarct, Autism, Autism Spectrum Disorder, Autistic Behavior, Autistic Disorder, Current or Active State, Cadasil, LATE Limbic-predominant Age-related TDP-43 Encephalopathy
Interventions
Intravenous Bone Marrow Stem Cell (BMSC) Fraction, Intranasal Topical Bone Marrow Stem Cell (BMSC) Fraction, Near Infrared Light
Procedure
Lead sponsor
MD Stem Cells
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
2
States / cities
Westport, Connecticut • Coral Springs, Florida
Conditions
Diabetic Kidney Disease, Cognitive Function, Weight Loss, Diabetic Control, Type2 Diabetes
Interventions
mHealth + low-fat diet, mHealth + low-carb/ketogenic diet
Other
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
San Antonio, Texas
Conditions
Attention, Mood
Interventions
Cranberry Juice Product
Dietary Supplement
Lead sponsor
Ocean Spray Cranberries, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Parkinson's Disease, Freezing of Gait, Cognitive Ability, General
Interventions
Droxidopa, sugar pill
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
30 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
2
States / cities
Chicago, Illinois • West Bloomfield, Michigan
Conditions
Healthy Aging, Alzheimer's Disease (AD)
Interventions
Web-based Cognitive Training (with strategy), Web-based Cognitive Training (without strategy)
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
60 Years to 75 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Newark, New Jersey
Conditions
Healthy Aging
Interventions
Astaxanthin Oral Capsule, Olive Oil Placebo
Dietary Supplement
Lead sponsor
University of North Alabama
Other
Eligibility
60 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Florence, Alabama
Completed Not applicable Interventional Results available

Exercise Program in Cancer and Cognition

NCT02793921
Conditions
Breast Cancer
Interventions
Moderate-Intensity Aerobic Exercise Intervention
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 75 Years · Female only
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Intellectual Disability, Exercise, Obesity
Interventions
Resistance Training for Empowerment (RT-POWER), A traditional RT intervention
Behavioral
Lead sponsor
University of Delaware
Other
Eligibility
18 Years to 44 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Newark, Delaware
Conditions
Psychiatric Illness, Healthy
Interventions
GLYX-13, Placebo
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 40 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Chicago, Illinois