Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 19, 2026, 11:44 AM EDT

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Showing 385–408 of 1,062 matching trials from the live ClinicalTrials.gov search.
Conditions
Insomnia, Mild Cognitive Impairment
Interventions
Cognitive BehavioralTherapy for Insomnia (CBT-I), SleepSMART
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
San Diego, California
Conditions
Cognitive Disorders, HIV Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
25
States / cities
Menlo Park, California • San Diego, California • San Francisco, California + 17 more
Conditions
Delirium, Sleep Disorders, Circadian Rhythm
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
45 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
San Francisco, California
Conditions
TBI, Cognitive Dysfunction
Interventions
BrainStrong-GSR, BrainStrong-OPT
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years to 60 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Sacramento, California
Completed Early Phase 1 Interventional Accepts healthy volunteers

Acetazolamide and Exercise Performance at Altitude

NCT03525561
Conditions
Hypoxia, Exercise Performance, Cognitive Function, Dexterity
Interventions
Acetazolamide Pill, Placebo pill
Drug
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 45 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Natick, Massachusetts
Conditions
Mild Cognitive Impairment
Interventions
Growth Hormone Releasing Hormone (GHRH), Placebo Growth Hormone Releasing Hormone
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
55 Years to 85 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Galveston, Texas
Conditions
Resistance Exercise Performance, Cognitive Functions, Anaerobic Performance, Dietary Supplementation Athletic Performance
Interventions
Low-dose Ashwagandha Supplement, High-dose Ashwagandha Supplement, Maltodextrin (Placebo)
Dietary Supplement
Lead sponsor
Jacksonville State University
Other
Eligibility
18 Years to 40 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Jacksonville, Alabama
Conditions
Functional Abdominal Pain Syndrome, Anxiety
Interventions
ADAPT
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
9 Years to 14 Years
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Glycemic Response, Appetitive Behavior
Interventions
Concord Grape Juice, Low flavonoid low essence beverage, Low flavonoid beverage
Other
Lead sponsor
Purdue University
Other
Eligibility
25 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
West Lafayette, Indiana
Conditions
Cognitive Ability, General, Achievement
Interventions
Physical Activity
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
8 Years to 9 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
4
States / cities
Urbana, Illinois
Conditions
Carotid Stenosis
Interventions
Minocycline, Placebo oral capsule
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Bipolar Disorder, Bipolar and Related Disorders, Veterans, Suicide, Suicidal Ideation, Mental Disorders
Interventions
Soterix 1x1 tES mini-CT
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years and older
Enrollment
138 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2031
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Cognition
Interventions
Hyperbaric oxygen therapy
Procedure
Lead sponsor
Pediatric Partners of Ponte Vedra
Other
Eligibility
6 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Ponte Vedra Beach, Florida
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Goji Berry and Vasomotor Symptoms Pilot Study

NCT07660315
Conditions
Vasomotor Symptoms
Interventions
Goji Berry Juice Powder, Goji Berry Powder
Other
Lead sponsor
University of California, Davis
Other
Eligibility
40 Years to 65 Years · Female only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Davis, California
Conditions
Cognitive Decline, Cognitive Impairment
Interventions
TMS
Device
Lead sponsor
San Francisco Neurology and Sleep Center
Other
Eligibility
50 Years to 90 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
San Francisco, California
Conditions
Postoperative Cognitive Dysfunction, POCD
Interventions
Processed EEG
Procedure
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
65 Years and older
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
New York, New York
Conditions
Cerebral Cortex Dysfunction
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Not applicable Interventional Accepts healthy volunteers

Social Functions to Promote Home-based Cognitive Training

NCT06175299
Conditions
Adherence, Treatment, Social Isolation
Interventions
Adherence Promotion With Person-centered Technology (APPT) System with Social Functions
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
65 Years to 90 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Tallahassee, Florida
Completed No phase listed Observational

Cystic Fibrosis and Cognitive Function

NCT03820349
Conditions
Cystic Fibrosis
Interventions
Not listed
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Completed Not applicable Interventional Accepts healthy volunteers Results available

Seniors Health and Activity Research Program-Pilot

NCT00688155
Conditions
Cognitive Function
Interventions
Physical Activity Training, Cognitive Training, Healthy Aging Education
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
70 Years to 85 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Meditation, Cognitive Reappraisal, Emotional Regulation
Interventions
Inner Engineering Program
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
15 Years to 18 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Phase 2 Interventional Accepts healthy volunteers Results available

ELITE: Early Versus Late Intervention Trial With Estradiol

NCT00114517
Conditions
Atherosclerosis
Interventions
17B-estradiol, Placebo
Drug · Other
Lead sponsor
University of Southern California
Other
Eligibility
Female only
Enrollment
643 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2013
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers

Acute Raspberry Intake on Metabolic Control and Cognitive Function

NCT03743792
Conditions
Aging, Age-related Cognitive Decline, Obesity
Interventions
Active breakfast, Control breakfast
Dietary Supplement
Lead sponsor
USDA Human Nutrition Research Center on Aging
Federal
Eligibility
55 Years to 70 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Cognitive Function
Interventions
Clarity Product Placebo Control, RS Clarity Active Product
Dietary Supplement
Lead sponsor
Radicle Science
Industry
Eligibility
35 Years to 60 Years
Enrollment
990 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Del Mar, California