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Showing 1–24 of 84 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cognition Disorders in Old Age Clear all
Completed Not applicable Interventional

Cognitive Enhancement in Depression (The COG-D Study)

NCT05400512
View directory record Official record
Conditions
Aging, Depression, Cognitive Symptom
Interventions
Cognitive Training, tDCS (active stimulation), tDCS (sham stimulation)
Behavioral · Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
60 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Daily Consumption of Eggs on Cognitive Function in the Elderly

NCT01621646
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
eggs or egg whites
Other
Lead sponsor
Tufts University
Other
Eligibility
50 Years and older
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 31, 2017 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Phase 1Phase 2 Interventional

Mindfulness-based Stress Reduction and Cognitive Function in Stress and Aging

NCT01693874
View directory record Official record
Conditions
Anxiety Disorders, Depression
Interventions
MBSR, control (health education)
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
65 Years and older
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
2
States / cities
San Diego, California • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 22, 2014 · Synced Sep 17, 2026, 4:09 AM 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 Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Results available

Recommendations and Alerting for Delirium Alleviation in Real-Time (RADAR)

NCT04007523
View directory record Official record
Conditions
Delirium
Interventions
Family Support System, HELP Support System
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
70 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 20, 2024 · Synced Sep 17, 2026, 4:09 AM EDT
Not listed No phase listed Observational

Living Alone in Old Age With Cognitive Impairment

NCT03330587
View directory record Official record
Conditions
Living Alone, Alzheimer Disease, Mild Cognitive Impairment
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
55 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 17, 2023 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Phase 3 Interventional

Study of Duloxetine in Elderly Patients With Major Depressive Disorder

NCT00062673
View directory record Official record
Conditions
Depression, Cognition
Interventions
Duloxetine, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
65 Years and older
Enrollment
311 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
1
States / cities
Middleton, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 20, 2007 · Synced Sep 17, 2026, 4:09 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Mindfulness for Cognition in Early-stage Alzheimer's Disease

NCT06792877
View directory record Official record
Conditions
Mild Cognitive Impairment (MCI), Mild Cognitive Impairment (MCI) Due to Alzheimer's Disease, TBI (Traumatic Brain Injury), Aging, Healthy Elderly, Alzheimer&Amp;Amp;#39;s Dementia (AD)
Interventions
Mindfulness Intervention, Waitlist then mindfulness
Behavioral
Lead sponsor
VA Boston Healthcare System
Federal
Eligibility
50 Years to 100 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 26, 2025 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Phase 4 Interventional Results available

Brain Aging and Treatment Response in Geriatric Depression

NCT01902004
View directory record Official record
Conditions
Mild Cognitive Impairment (MCI), Depression
Interventions
Escitalopram, Memantine, Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
60 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 14, 2019 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Donepezil in Preventing Delirium in Hospitalized Elderly

NCT00182884
View directory record Official record
Conditions
Postoperative Complications, Delirium
Interventions
Donepezil
Drug
Lead sponsor
Indiana University Health
Other
Eligibility
65 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 2, 2008 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Phase 4 Interventional Results available

Computerized Cognitive Training for Diabetic Elderly Veterans

NCT01736124
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
computerized cognitive training, control games
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
55 Years to 99 Years
Enrollment
199 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jul 26, 2023 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Phase 4 Interventional

RCT of Brain Longitudinal Biomarker Study (OPT-Neuro RCT)

NCT05531591
View directory record Official record
Conditions
Depression, Dementia, Mild Cognitive Impairment, Treatment Resistant Depression, Major Depressive Disorder, Treatment-Refractory Depression, Late Life Depression, Geriatric Depression
Interventions
Aripiprazole Augmentation, Bupropion Augmentation, Switch to bupropion, Lithium Augmentation, Switch to nortriptyline
Drug
Lead sponsor
Centre for Addiction and Mental Health
Other
Eligibility
60 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
3
States / cities
Los Angeles, California • St Louis, Missouri • New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 24, 2024 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Results available

Hyperbaric Oxygen Therapy for Cognition in Diabetic Elderly at High Dementia Risk

NCT03036254
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
HBOT intervention, Sham intervention
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
65 Years and older
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
2
States / cities
New York, New York • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 10, 2025 · Synced Sep 17, 2026, 4:09 AM EDT
Terminated Phase 2 Interventional Results available

Study of the Efficacy and Safety of Various Anti-inflammatory Agents in Participants With Mild Cognitive Impairment or Mild Alzheimer's Disease

NCT04795466
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer Disease
Interventions
Canakinumab, Placebo
Biological · Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
45 Years to 90 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
2
States / cities
Charlestown, Massachusetts • Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Oct 15, 2025 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Phase 2 Interventional

Depressed Mood Improvement Through Nicotine Dosing 3

NCT05746273
View directory record Official record
Conditions
Depressive Disorder
Interventions
Transdermal Nicotine Patch, Transdermal Placebo Patch
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
60 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Rhythmically Entrained Exercise in Community-Dwelling Older Adults

NCT05462977
View directory record Official record
Conditions
Exercise, Gait, Cognitive Decline, Caregiver Burden, Cognitive Impairment, Dementia, Alzheimer Disease, Mild Cognitive Impairment, Respite Care, Mental Health, Depression, Music Therapy, Psychosocial Intervention, Cognition, Geriatric Assessment, Cognitive Dysfunction, Cognitive Aging, Outcome Assessment, Health Care, Balance, Fall, Walking, Affect, Physical Exertion, Memory Deficit, Memory Disorders, Memory Impairment, Neuropsychological Tests, Executive Function, Middle Aged, Healthy Aging, Elderly
Interventions
Group exercise program
Behavioral
Lead sponsor
University of North Carolina, Greensboro
Other
Eligibility
55 Years to 99 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Greensboro, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 1, 2023 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Randomized Study of the Effects of Glucose on Cognition in Healthy Young and Elderly People and Parkinson's Disease Patients

NCT00004451
View directory record Official record
Conditions
Parkinson Disease
Interventions
Glucose
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1998
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 30, 2005 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Phase 2 Interventional Results available

Depressed Mood Improvement Through Nicotine Dosing 2

NCT04433767
View directory record Official record
Conditions
Depressive Disorder
Interventions
Transdermal Nicotine patch
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
60 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 5, 2023 · Synced Sep 17, 2026, 4:09 AM EDT
Active, not recruiting Not applicable Interventional

Network-targeted Theta-burst Stimulation for Episodic Memory Improvement in Mild Cognitive Impairment

NCT04558164
View directory record Official record
Conditions
Cognitive Dysfunction, Memory Disorders in Old Age
Interventions
Active Theta Burst Stimulation, Sham Theta Burst Stimulation
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
55 Years to 100 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 9, 2026 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Treatment Resistant Geriatric Depression in Primary Care

NCT01392287
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Memantine
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
55 Years to 89 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Sep 17, 2026, 4:09 AM EDT
Not yet recruiting Not applicable Interventional

Cognitive Enhancement in Recurrent Depression (The COG-D-R Study)

NCT07527273
View directory record Official record
Conditions
Aging, Depression, Cognitive Symptoms
Interventions
Depression Cognitive Training, Non-Specific Cognitive Training, tDCS (active stimulation), tDCS (sham stimulation)
Behavioral · Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
60 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 17, 2026, 4:09 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Vitamin D Supplementation and Metabolism in Vitamin D Deficient Elderly

NCT01145703
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 4, 2014 · Synced Sep 17, 2026, 4:09 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Recurrence Markers, Cognitive Burden and Neurobiological Homeostasis in Late-Life Depression

NCT05331599
View directory record Official record
Conditions
Depression in Old Age, Recurrence, Cognitive Dysfunction
Interventions
Not listed
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
60 Years and older
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 3, 2025 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Results available

Problem Adaptation Therapy (PATH) vs. Supportive Therapy in Treating Depressed, Cognitively Impaired Older Adults

NCT00368940
View directory record Official record
Conditions
Depression
Interventions
PATH, ST-CI
Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
65 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
White Plains, New York
Source: ClinicalTrials.gov public record
Updated Jul 23, 2017 · Synced Sep 17, 2026, 4:09 AM EDT