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Showing 1–24 of 301 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cognitive Function Decline Clear all
Completed Not applicable Interventional Results available

Lidocaine For Neuroprotection During Cardiac Surgery

NCT00938964
View directory record Official record
Conditions
Cognitive Decline
Interventions
Lidocaine, Placebo
Drug
Lead sponsor
Duke University
Other
Eligibility
50 Years and older
Enrollment
550 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
2
States / cities
Durham, North Carolina • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated May 9, 2019 · Synced Sep 5, 2026, 4:30 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Senolytic Therapy to Modulate Progression of Alzheimer's Disease

NCT04063124
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Dasatinib + Quercetin
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
65 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Mar 5, 2023 · Synced Sep 5, 2026, 4:30 PM EDT
Active, not recruiting Not applicable Interventional

Everyday Memory Impairment in PD-related Cognitive Decline

NCT04474379
View directory record Official record
Conditions
Parkinson Disease, Mild Cognitive Impairment
Interventions
Strategy Training (Time- and Event- Based)
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
50 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Sep 5, 2026, 4:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Long-term Effects of Blueberry Supplementation on Brain Health in Older Adults

NCT05764824
View directory record Official record
Conditions
Cognitive Decline, Nutrition, Healthy, Brain Injuries
Interventions
Blueberry powder, Controlled and matched powder
Dietary Supplement · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
65 Years to 99 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 5, 2026, 4:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Large Randomized Trial of Vitamin D, Omega-3 Fatty Acids and Cognitive Decline

NCT01669915
View directory record Official record
Conditions
Cognitive Decline
Interventions
vitamin D3, omega-3 fatty acids (fish oil), Vitamin D3 placebo, Fish oil placebo
Dietary Supplement · Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
60 Years to 92 Years
Enrollment
3,424 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 20, 2023 · Synced Sep 5, 2026, 4:30 PM EDT
Active, not recruiting Not applicable Interventional

Anticipating Decline and Providing Therapy

NCT06182995
View directory record Official record
Conditions
Cognitive Impairment, Dementia, Post ICU Syndrome, Critical Illness, Cognitive Impairment, Mild
Interventions
Usual Care post-Intensive Care Unit (ICU), Anticipating Decline and Providing Therapy (ADAPT)
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
60 Years and older
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 5, 2026, 4:30 PM EDT
Recruiting Phase 2 Interventional

Memantine and Exercise to Improve Cognitive Function and Modulate Biological Pathways of Cognitive Decline During Chemotherapy in Breast Cancer

NCT06727773
View directory record Official record
Conditions
Breast Cancer, Locally Advanced Breast Cancer, Cognitive Impairment, Cognitive Decline, Cognitive Change, Breast Cancer Stage I, Breast Cancer Stage II, Breast Cancer Stage III
Interventions
Memantine, Placebo medication, Exercise Intervention, Exercise Control
Drug · Other
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 5, 2026, 4:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Music, Sleep and Dementia Study

NCT04157244
View directory record Official record
Conditions
Dementia, Alzheimer Disease, Circadian Rhythm Disorders, Circadian Rhythm Sleep Disorder, Insomnia, Hypersomnia, Cognitive Impairment, Cognitive Decline, Mild Cognitive Impairment, Frontotemporal Dementia, Neurocognitive Disorders, Vascular Dementia, Sleep Disorder, Memory Impairment
Interventions
Tailored music listening intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 110 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 12, 2021 · Synced Sep 5, 2026, 4:30 PM EDT
Recruiting No phase listed Observational

Cognitive Impairment in Colorectal Cancer Patients Receiving Cytotoxic Chemotherapy

NCT05014399
View directory record Official record
Conditions
Neoplasm, Colorectal, Cognitive Impairment, Cognitive Dysfunction, Cognitive Change, Chemo-brain, Chemo Fog, Chemotherapy Effect, Cognitive Decline
Interventions
Not listed
Lead sponsor
Joseph McCollom
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2031
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 5, 2026, 4:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Interventions to Attenuate Cognitive Decline: Keys to Staying Sharp

NCT03528486
View directory record Official record
Conditions
Mild Cognitive Impairment, Age-related Cognitive Decline
Interventions
Music Training I
Behavioral
Lead sponsor
University of South Florida
Other
Eligibility
60 Years and older
Enrollment
268 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 20, 2024 · Synced Sep 5, 2026, 4:30 PM EDT
Recruiting Not applicable Interventional

Effects of Accelerated rTMS on Cognitive Function

NCT07547319
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 5, 2026, 4:30 PM EDT
Not yet recruiting No phase listed Observational

Under-Represented Communities Diagnosed With SCD or MCI Through Tele-Cog

NCT06542458
View directory record Official record
Conditions
Mild Cognitive Impairment, Subjective Cognitive Decline
Interventions
Assessments, Neuroimaging volumetric measures, Biofluid samples
Behavioral · Other
Lead sponsor
Ohio State University
Other
Eligibility
50 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Sep 5, 2026, 4:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

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

NCT06466655
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced Sep 5, 2026, 4:30 PM EDT
Completed Not applicable Interventional Results available

Digital Cognition in Multiple Sclerosis

NCT03569618
View directory record Official record
Conditions
Multiple Sclerosis, Cognitive Decline
Interventions
Tablet-based Game
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 71 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 25, 2020 · Synced Sep 5, 2026, 4:30 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Brain Health Virtual Reality Study

NCT06124339
View directory record Official record
Conditions
Aging, Aging Problems, Memory Loss, Memory Impairment, Memory Disorders in Old Age, Memory Disorder, Spatial, Memory Disorders, Mild Cognitive Impairment, Cognitive Decline, Cognitive Change, Cognition Disorders in Old Age
Interventions
Physical Activity, Cognitive Activity (VR), Physical and Cognitive Activity
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
50 Years to 85 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2029
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Sep 5, 2026, 4:30 PM EDT
Completed Not applicable Interventional Results available

A Study to Assess the Tolerability and Efficacy of AKST1210 in Patients on Hemodialysis With Cognitive Impairment

NCT04527328
View directory record Official record
Conditions
Cognitive Impairment, End Stage Renal Disease
Interventions
AKST1210, Sham Control (No Intervention), Hemodialysis
Device · Other · Procedure
Lead sponsor
Alkahest, Inc.
Industry
Eligibility
40 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
4
States / cities
Granada Hills, California • Northridge, California • Orlando, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2022 · Synced Sep 5, 2026, 4:30 PM EDT
Not listed Phase 1Phase 2 Interventional Accepts healthy volunteers

Behavioral and Physiological Effects of Visual Training

NCT00526942
View directory record Official record
Conditions
Healthy
Interventions
SAAGE-designed, visual memory-based cognitive training
Behavioral
Lead sponsor
Posit Science Corporation
Industry
Eligibility
60 Years and older
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
San Francisco Bay Area, California
Source: ClinicalTrials.gov public record
Updated Sep 10, 2007 · Synced Sep 5, 2026, 4:30 PM EDT
Withdrawn Early Phase 1 Interventional

Fluoxetine Prevention Trial

NCT01615055
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 14, 2018 · Synced Sep 5, 2026, 4:30 PM EDT
Completed Phase 4 Interventional Results available

Memantine (10mg BID) for the Frontal and Temporal Subtypes of Frontotemporal Dementia

NCT00545974
View directory record Official record
Conditions
Frontal Lobe Dementia, Frontotemporal Lobe Dementia, Semantic Dementia
Interventions
memantine, Placebo pill
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
40 Years to 80 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
9
States / cities
Los Angeles, California • San Francisco, California • Jacksonville, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 16, 2020 · Synced Sep 5, 2026, 4:30 PM EDT
Enrolling by invitation Phase 3 Interventional

Evaluating Cognitive Changes on Patients in Chemotherapy (ECCPC)

NCT06950190
View directory record Official record
Conditions
Chemotherapy-related Cognitive Impairment
Interventions
Low-Intensity Walking Intervention, Control Group Intervention
Behavioral
Lead sponsor
Ellis Medicine
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Schenectady, New York
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced Sep 5, 2026, 4:30 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A SMART Trial of Adaptive Exercises to Optimize Aerobic-Fitness Responses

NCT05877196
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer Disease, Cognitive Impairment, Cognitive Decline, Memory Loss, Memory Impairment
Interventions
Moderate Intensity Continuous Training (MICT), Chair-based Stretch, High-Intensity Interval Training (HIIT), Combined Aerobic Resistance Exercise (CARE)
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
65 Years and older
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 5, 2026, 4:30 PM EDT
Not yet recruiting Phase 3 Interventional

Vibegron for ENergy Thinking and Resilience in Aging

NCT06987383
View directory record Official record
Conditions
Obesity
Interventions
Vibegron, Placebo
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
45 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 5, 2026, 4:30 PM EDT
Completed Phase 3 Interventional Results available

Clinical Trial of Gabapentin to Decrease Postoperative Delirium and Pain

NCT00221338
View directory record Official record
Conditions
Postoperative Delirium, Postoperative Pain, Opioid Use, Hospital Length of Stay
Interventions
Gabapentin
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
65 Years and older
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 9, 2020 · Synced Sep 5, 2026, 4:30 PM EDT
Terminated Phase 3 Interventional Results available

Trial of Apixaban vs Warfarin in Reducing Rate of Cognitive Decline, Silent Cerebral Infarcts and Cerebral Microbleeds in Patients With Atrial Fibrillation

NCT03839355
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Apixaban, Warfarin
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
60 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 15, 2021 · Synced Sep 5, 2026, 4:30 PM EDT