Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 9, 2026, 5:52 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 334 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Minimally Processed Animal Protein on Biomarkers for Cognitive Decline

NCT06261775
Conditions
Healthy Lifestyle
Interventions
Red meat-based meal, No meat diet
Other
Lead sponsor
South Dakota State University
Other
Eligibility
65 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Brookings, South Dakota
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Intermittent Fasting on Brain Health

NCT06019195
Conditions
Intermittent Fasting, Aging
Interventions
Time restricted eating
Other
Lead sponsor
University of Oklahoma
Other
Eligibility
55 Years to 80 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Completed No phase listed Observational Accepts healthy volunteers

Study To Analyze Memory/Thinking Problems In Older Adults After Surgery

NCT01786577
Conditions
Post-Operative Cognitive Decline in Older Adults
Interventions
Magnetic Resonance Imaging, Cognitive assessment testing
Other · Behavioral
Lead sponsor
University of Florida
Other
Eligibility
60 Years and older
Enrollment
147 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Gainesville, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Multicomponent Program for Addressing Cognition in Rural Communities

NCT07018830
Conditions
Cognitive Decline
Interventions
Behavioral Treatment
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
60 Years and older
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Conditions
Mucopolysaccharidosis I, Cognitive Decline
Interventions
Intrathecal recombinant human alpha iduronidase
Drug
Lead sponsor
agnes chen
Other
Eligibility
6 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Torrance, California
Conditions
Postoperative Cognitive Dysfunction, Mild Cognitive Impairment
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
65 Years and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
New York, New York
Recruiting Phase 1 Interventional Accepts healthy volunteers

Acute Effects of THC in Older Adult

NCT06948136
Conditions
Age-related Cognitive Decline
Interventions
Delta-9-THC Low Dose, Placebo, Delta-9-THC Medium Dose
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
West Haven, Connecticut
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
Cognitive Decline, Blood Pressure, Hypertension
Interventions
Clinical Support Decision Tool
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
70 Years and older
Enrollment
4,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Dallas, Texas
Active, not recruiting Phase 3 Interventional

ACHIEVE Brain Health Follow-Up Study

NCT05532657
Conditions
Aging, Cognitive Decline, Mild Cognitive Impairment, Dementia, Hearing Loss
Interventions
Hearing intervention, Successful aging/delayed hearing intervention
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
73 Years and older
Enrollment
629 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
4
States / cities
Hagerstown, Maryland • Minneapolis, Minnesota • Jackson, Mississippi + 1 more
Withdrawn Early Phase 1 Interventional

Fluoxetine Prevention Trial

NCT01615055
Conditions
Cognitive Dysfunction
Interventions
Fluoxetine, Placebo
Drug · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
Duarte, California • Los Angeles, California
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Cardiovascular and Neurovascular Regulation in GWI

NCT04586049
Conditions
Brain Blood Flow, Neurovascular Control
Interventions
MRI, Transcranial Doppler Ultrasound, Sympathetic Nerve Activity
Device · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
45 Years to 68 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Madison, Wisconsin
Completed Not applicable Interventional Accepts healthy volunteers Results available

Movement Intervention for Memory Enhancement

NCT03475316
Conditions
Alzheimer Disease, Dementia, Cognitive Decline, Cognitive Impairment, Dementia, Alzheimer Type
Interventions
Social Dancing, Treadmill Walking
Behavioral
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
65 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
The Bronx, New York
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
Chronic Pain, Early Cognitive Decline
Interventions
Mindfulness-based cognitive therapy
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
50 Years to 120 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Chronic Pain, Mild Cognitive Impairment
Interventions
Feeling of Being, Health Enhancement Program
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
50 Years to 120 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Recruiting Not applicable Interventional Accepts healthy volunteers

Cognition, Flavonoids, Exercise, Gut Microbiome

NCT06495190
Conditions
Cognitive Decline, Mild
Interventions
Blueberry, Walking, Placebo, Stretching
Dietary Supplement · Behavioral
Lead sponsor
Appalachian State University
Other
Eligibility
65 Years to 85 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Kannapolis, North Carolina
Conditions
Hypertension, Cognitive Decline
Interventions
Tai Chi
Behavioral
Lead sponsor
University of Connecticut
Other
Eligibility
55 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Storrs, Connecticut
Conditions
Cognitively Normal Older Adults, Hypertension, Subjective Cognitive Decline, Family History of Dementia
Interventions
Angiotensin II Receptor Blockers (ARBs, losartan) and Calcium Channel Blockers (CCB, amlodipine), PCP
Drug · Other
Lead sponsor
Rong Zhang
Other
Eligibility
60 Years to 85 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Dallas, Texas
Completed Not applicable Interventional Accepts healthy volunteers Results available

Efficacy of a Multimodal Brain Health Intervention for Older African Americans

NCT04863378
Conditions
Cognitive Impairment, Mild, Cognitive Decline
Interventions
Walking conversational reminiscence
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
65 Years to 110 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Healthy Aging, Brain Health, Cardiometabolic Health, Normal Aging, Cognitive Decline Prevention in Robust Older Adults
Interventions
Lean Beef, Non-Beef Control
Other
Lead sponsor
South Dakota State University
Other
Eligibility
65 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Brookings, South Dakota
Recruiting Not applicable Interventional Accepts healthy volunteers

TMS for Cognitive Decline in Aging and Preclinical AD

NCT06956300
Conditions
Prodromal Alzheimer's Disease, Preclinical Alzheimer's Disease, Healthy Aging, Cognitive Decline
Interventions
Active rTMS, Sham rTMS
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
40 Years to 99 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Age-related Cognitive Decline, Mild Cognitive Impairment, Dementia
Interventions
Cognitive Training, Computerized Cognitive Stimulation
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
55 Years to 89 Years
Enrollment
1,305 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
6
States / cities
San Francisco, California • Gainesville, Florida • Tampa, Florida + 3 more
Completed Phase 3 Interventional Accepts healthy volunteers

Preventing Cognitive Decline With Alternative Therapies

NCT00010920
Conditions
Dementia, Memory Disorders
Interventions
Ginkgo Biloba Extract
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
85 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2004
U.S. locations
1
States / cities
Portland, Oregon