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Showing 1–24 of 340 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Progressive Cognitive Decline Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Nutrition for Brain and Body Health (BB-Health) Feasibility Trial

NCT05542199
View directory record Official record
Conditions
Cognition, Obesity
Interventions
Multicomponent nutrition supplement (MCNS), Behavioral weight loss program
Other · Behavioral
Lead sponsor
Tufts University
Other
Eligibility
55 Years to 85 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 5, 2025 · Synced Jul 23, 2026, 10:04 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 – 2025
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 3, 2025 · Synced Jul 23, 2026, 10:04 PM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

Biomarker Exploration in Aging, Cognition and Neurodegeneration

NCT03860857
View directory record Official record
Conditions
Alzheimer Disease, Cognitive Impairment, Cognitive Decline
Interventions
Amyloid PET scan, Tau PET scan using MK-6240, Neurocognitive testing, MRI
Radiation · Drug · Behavioral + 1 more
Lead sponsor
University of California, Irvine
Other
Eligibility
60 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2027
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Jul 23, 2026, 10:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Auri Super Mushroom Daily Gummies on Cognitive Health

NCT07198399
View directory record Official record
Conditions
Cognitive Decline, Focus Deficit
Interventions
Auri Super Mushroom Daily Gummies
Dietary Supplement
Lead sponsor
Auri Nutrition
Industry
Eligibility
30 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Sep 29, 2025 · Synced Jul 23, 2026, 10:04 PM EDT
Terminated No phase listed Observational

PLUG Dementia Trial and MRI PLUG Dementia Sub-Study

NCT03091855
View directory record Official record
Conditions
Atrial Fibrillation, Dementia, Cognitive Decline
Interventions
Questionnaire, Magnetic Resonance Imaging
Other · Diagnostic Test
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
65 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Murray, Utah
Source: ClinicalTrials.gov public record
Updated Apr 4, 2021 · Synced Jul 23, 2026, 10:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of the Wits Workout Wellness Program for Older Adults

NCT04928885
View directory record Official record
Conditions
Cognitive Decline, Social Isolation, Health Behaviors, Self Efficacy
Interventions
Wits Workout Program, Control Group that receives intervention after the study
Behavioral · Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
50 Years and older
Enrollment
285 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 19, 2024 · Synced Jul 23, 2026, 10:04 PM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

FACE Phase II (a Stage II Trial)

NCT07130669
View directory record Official record
Conditions
MCI, Subjective Cognitive Decline (SCD), Mild Behavioral Impairment
Interventions
Cognitive Remediation, Cognitive Remediation II
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
60 Years to 89 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Jul 23, 2026, 10:04 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Open-label, Post-marketing, Prospective Study to Assess Impact of COVID-19 on Cognitive Function in Patients

NCT04950673
View directory record Official record
Conditions
Cognitive Decline, Cognitive Dysfunction, Brain Health, Post CoV-2 Syndrome, COVID Long-Haul
Interventions
Cognivue
Device
Lead sponsor
Cognivue, Inc.
Industry
Eligibility
18 Years to 95 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
4
States / cities
Irvine, California • Visalia, California • Boca Raton, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 21, 2022 · Synced Jul 23, 2026, 10:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

CAMCI: Advancing the Use of Computerized Screening in Healthcare

NCT03512301
View directory record Official record
Conditions
Cognitive Dysfunction, Cognitive Impairment, Cognitive Decline, Cognitive Change
Interventions
CAMCI, MoCA, Clinical Adjudication
Device · Diagnostic Test
Lead sponsor
Psychology Software Tools, Inc.
Industry
Eligibility
60 Years to 95 Years
Enrollment
773 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
4
States / cities
Indianapolis, Indiana • Sharpsburg, Pennsylvania • Houston, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2025 · Synced Jul 23, 2026, 10:04 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Predictors of Cognitive Decline in Normal Aging

NCT00094939
View directory record Official record
Conditions
Alzheimer Disease, Dementia
Interventions
Not listed
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
60 Years to 80 Years
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 13, 2009 · Synced Jul 23, 2026, 10:04 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Inorganic Nitrate Supplementation on Cerebrovascular Aging and Arterial Stiffness Study

NCT03617302
View directory record Official record
Conditions
Aging, Arterial Stiffness, Endothelial Dysfunction, Hypertension, Cognitive Decline
Interventions
Experimental: Nitrate-containing, Placebo: Nitrate-depleted
Drug
Lead sponsor
Gary L. Pierce, PhD
Other
Eligibility
50 Years to 79 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Jul 23, 2026, 10:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Support for Caregivers of Older Adults With Cognitive Decline

NCT04787068
View directory record Official record
Conditions
Caregiver Burden, Depression, Confidence, Self, Cognition, Fatigue, Function
Interventions
Occupational Therapy support
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
21 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Mar 7, 2021 · Synced Jul 23, 2026, 10:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Gamma-tACS on Memory and Sleep

NCT05907707
View directory record Official record
Conditions
Transcranial Alternating Current Stimulation, Aging, Cognitive Decline, Memory, Sleep
Interventions
Gamma transcranial alternating current stimulation, Control transcranial alternating current stimulation, EEG headband, Actigraphy wristband
Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
50 Years and older
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 1, 2025 · Synced Jul 23, 2026, 10:04 PM EDT
Not listed No phase listed Observational

On Site Sensors Monitoring Impacts of Cognitive Decline on ADLs

NCT04871698
View directory record Official record
Conditions
Dementia, Dementia Alzheimers
Interventions
Not listed
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
65 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Waco, Texas
Source: ClinicalTrials.gov public record
Updated May 3, 2021 · Synced Jul 23, 2026, 10:04 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Metabolic Syndrome, Inflammation, and Risk of Cognitive Decline

NCT00099567
View directory record Official record
Conditions
Cognitive Decline
Interventions
Not listed
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
70 Years to 79 Years
Enrollment
2,632 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2002
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 31, 2005 · Synced Jul 23, 2026, 10:04 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Computerized Tests of Cognitive Decline in Presymptomatic Alzheimer's Disease

NCT04800588
View directory record Official record
Conditions
Alzheimer Disease, Cognitive Decline, Aging
Interventions
California Cognitive Assessment Battery
Diagnostic Test
Lead sponsor
Neurobehavioral Systems, Inc.
Industry
Eligibility
18 Years to 89 Years
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated May 21, 2025 · Synced Jul 23, 2026, 10:04 PM EDT
Completed Phase 3 Interventional Results available

Preventing Cognitive Decline in African Americans With Mild Cognitive Impairment

NCT01299766
View directory record Official record
Conditions
Mild Cognitive Impairment (MCI)
Interventions
Behavioral Activation (BA), Supportive Therapy (ST)
Behavioral
Lead sponsor
Thomas Jefferson University
Other
Eligibility
65 Years and older
Enrollment
221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 11, 2018 · Synced Jul 23, 2026, 10:04 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

n-3 PUFA for Vascular Cognitive Aging

NCT01953705
View directory record Official record
Conditions
Age Related Cognitive Decline, Alzheimer's Disease, Vascular Dementia, Endothelial Dysfunction, Executive Dysfunction
Interventions
Omega 3 PUFA, Placebo
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
75 Years and older
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2021
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 3, 2020 · Synced Jul 23, 2026, 10:04 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Investigate the Efficacy of a Supplement to Improve and Maintain Cognitive Function and Memory

NCT06523218
View directory record Official record
Conditions
Cognitive Decline, Cognitive Function
Interventions
MindMD Supplement, Placebo
Dietary Supplement · Other
Lead sponsor
Scale Media Inc
Industry
Eligibility
50 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Jul 25, 2024 · Synced Jul 23, 2026, 10:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Brain Enhancement Training Towards Elders Resilience to Aging, Phase IIB

NCT05599490
View directory record Official record
Conditions
Age-related Cognitive Decline
Interventions
Computerized Plasticity-Based Adaptive Cognitive Training
Other
Lead sponsor
Posit Science Corporation
Industry
Eligibility
70 Years and older
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
2
States / cities
Iowa City, Iowa • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Jul 23, 2026, 10:04 PM EDT
Active, not recruiting Not applicable Interventional

Multi-Center Study of Sensory Stimulation to Improve Brain Function

NCT03556280
View directory record Official record
Conditions
Alzheimer Disease, Cognitive Impairment, Mild Cognitive Impairment, Dementia Alzheimers, Dementia, Mild, Dementia, Alzheimer Type, Dementia of Alzheimer Type, Dementia, Cognitive Impairment, Mild, Cognitive Decline
Interventions
GammaSense Stimulation System (Active Settings), GammaSense Stimulation System (Sham Settings)
Device
Lead sponsor
Cognito Therapeutics, Inc.
Industry
Eligibility
55 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
5
States / cities
Delray Beach, Florida • Stuart, Florida • Methuen, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2021 · Synced Jul 23, 2026, 10:04 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Sabroxy® Supplementation on Insulin Resistance and Cognitive Function in Adults With Mild Cognitive Impairment and Insulin Resistance

NCT07220694
View directory record Official record
Conditions
Insulin Resistance, Mild Cognitive Impairment, Cognitive Decline, Neurodegenerative Disorders
Interventions
Sabroxy®, Placebo
Dietary Supplement · Other
Lead sponsor
SF Research Institute, Inc.
Network
Eligibility
40 Years to 80 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Jul 23, 2026, 10:04 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Neuromodulation Effects in Older Adults

NCT06665022
View directory record Official record
Conditions
Cognitive Impairment, Cognitive Decline
Interventions
Active tDCS, Sham tDCS
Device
Lead sponsor
University of Florida
Other
Eligibility
60 Years to 95 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 20, 2024 · Synced Jul 23, 2026, 10:04 PM EDT
Completed Phase 2 Interventional Results available

Testing Ramipril to Prevent Memory Loss in People With Glioblastoma

NCT03475186
View directory record Official record
Conditions
Glioblastoma, Radiotherapy; Complications, Cognitive Decline, Chemoradiation
Interventions
Ramipril
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
422
States / cities
Anchorage, Alaska • Phoenix, Arizona • Fort Smith, Arkansas + 280 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Jul 23, 2026, 10:04 PM EDT