Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jul 21, 2026, 6:57 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 83 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Cognition Disorders in Old Age Clear all
Completed Not applicable Interventional Results available

Crossover Trial for Nicotinamide Riboside in Subjective Cognitive Decline and Mild Cognitive Impairment

NCT04078178
View directory record Official record
Conditions
Cognition Disorders in Old Age, Mild Cognitive Impairment, Cognitive Decline
Interventions
Niagen, Placebo Comparator
Dietary Supplement
Lead sponsor
Steven E Arnold, MD
Other
Eligibility
60 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Charlestown, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 28, 2024 · Synced Jul 21, 2026, 6:57 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Dual Task Perturbation Training for OAwMCI

NCT04938349
View directory record Official record
Conditions
Mild Cognitive Impairment, Old Age; Debility
Interventions
Dual task perturbation training
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
55 Years and older
Enrollment
142 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Jul 21, 2026, 6:57 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

A Study of CAD106 and CNP520 Versus Placebo in Participants at Risk for the Onset of Clinical Symptoms of Alzheimer's Disease

NCT02565511
View directory record Official record
Conditions
Alzheimers Disease
Interventions
CAD106 Immunotherapy, Placebo to CAD106, CNP520, Placebo to CNP520, Alum
Biological · Other · Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
60 Years to 75 Years
Enrollment
480 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
78
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Sun City, Arizona + 67 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2021 · Synced Jul 21, 2026, 6:57 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Modulating ApoE Signalling to Reduce Brain Inflammation, deLirium and postopErative Cognitive Dysfunction

NCT03802396
View directory record Official record
Conditions
Postoperative Delirium, Postoperative Cognitive Dysfunction
Interventions
CN-105, Placebo
Drug
Lead sponsor
Miles Berger, MD PhD
Other
Eligibility
60 Years and older
Enrollment
203 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 15, 2024 · Synced Jul 21, 2026, 6:57 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

The Effect of Anticholinergics on Cognitive Function in the Elderly

NCT01922115
View directory record Official record
Conditions
Mental Competency, Urinary Bladder, Overactive, Cognitive Function
Interventions
Trospium Chloride, Placebo
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
50 Years to 99 Years · Female only
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 21, 2017 · Synced Jul 21, 2026, 6:57 PM EDT
Completed No phase listed Observational

Determining the Impact of Shunting and CerebroVascular Reactivity on 7T MRI (DISCoVeR 7T MRI)

NCT03291340
View directory record Official record
Conditions
Cognitive Impairment
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
60 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 4, 2024 · Synced Jul 21, 2026, 6:57 PM EDT
Active, not recruiting Phase 2 Interventional

Single-dose Ketamine Treatment to Improve Depression in Mild Cognitive Impairment

NCT06069843
View directory record Official record
Conditions
Depression, Mild Cognitive Impairment
Interventions
IV Ketamine
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
50 Years to 90 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Jul 21, 2026, 6:57 PM EDT
Recruiting Not applicable Interventional

Up-2 Study: Cognitively Engaging Walking Exercise and Neuromodulation to Enhance Brain Function in Older Adults

NCT05830942
View directory record Official record
Conditions
Cognitive Dysfunction, Mobility Limitation, Frail Elderly
Interventions
Walking Exercise, Prefrontal Active tDCS, Prefrontal Sham tDCS
Behavioral · Device
Lead sponsor
University of Florida
Other
Eligibility
65 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
2
States / cities
Gainesville, Florida • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Jul 21, 2026, 6:57 PM EDT
Completed Not applicable Interventional

Memory Improvement With Docosahexaenoic Acid Study (MIDAS)

NCT00278135
View directory record Official record
Conditions
Age-Related Cognitive Decline, Age-Related Memory Disorders
Interventions
DHA (nutritional supplement) or placebo
Dietary Supplement
Lead sponsor
dsm-firmenich Switzerland AG
Industry
Eligibility
55 Years and older
Enrollment
485 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
14
States / cities
Mesa, Arizona • San Diego, California • Vista, California + 11 more
Source: ClinicalTrials.gov public record
Updated May 18, 2014 · Synced Jul 21, 2026, 6:57 PM 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 Jul 21, 2026, 6:57 PM 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 Jul 21, 2026, 6:57 PM EDT
Completed Not applicable Interventional

Dietary Treatments for Cognitive Impairment in Older Adults

NCT02521818
View directory record Official record
Conditions
Mild Cognitive Impairment, Probable Alzheimer's Disease
Interventions
Modified Atkins Diet, NIA Diet for Seniors
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
60 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 5, 2019 · Synced Jul 21, 2026, 6:57 PM EDT
Completed Phase 4 Interventional Results available

Olfactory Deficits and Donepezil Treatment in Cognitively Impaired Elderly

NCT01951118
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Delirium, Dementia, Amnestic, Cognitive Disorders
Interventions
Donepezil
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
55 Years to 95 Years
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 12, 2020 · Synced Jul 21, 2026, 6:57 PM EDT
Completed Phase 2 Interventional

Fortifying Healthy Behaviors, Optimizing Medical Therapies and Enhancing Cognitive Function in Older Adults-pilot Study

NCT07000734
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Jul 21, 2026, 6:57 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability, and Pharmacokinetics Study of NDX-1017

NCT03298672
View directory record Official record
Conditions
Alzheimer Disease
Interventions
NDX-1017, Placebo
Drug
Lead sponsor
LeonaBio
Industry
Eligibility
18 Years to 85 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 9, 2019 · Synced Jul 21, 2026, 6:57 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Metformin Effect on Brain Function in Insulin Resistant Elderly People

NCT03733132
View directory record Official record
Conditions
Insulin Resistance, Obesity, Obesity, Abdominal
Interventions
Metformin Hydrochloride, Placebo Oral Tablet
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
65 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 17, 2024 · Synced Jul 21, 2026, 6:57 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 21, 2026, 6:57 PM EDT
Completed Not applicable Interventional Results available

Reducing Risk for Alzheimer's Disease in High-Risk Women Through Yogic Meditation Training

NCT03503669
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer's Disease
Interventions
Memory Training, Kundalini yoga and meditation
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
50 Years to 90 Years · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 7, 2024 · Synced Jul 21, 2026, 6:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Acute Pain on Motor Learning in Young vs Older Adults

NCT05471557
View directory record Official record
Conditions
Aging, Pain, Acute, Cognitive Decline, Motor Activity
Interventions
pain delivery
Procedure
Lead sponsor
University of Delaware
Other
Eligibility
18 Years to 85 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Jul 21, 2026, 6:57 PM 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 Jul 21, 2026, 6:57 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Alzheimer's Disease Treatment With Combination of 40Hz Light and Cognitive Therapy

NCT03657745
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Dementia, Cognition Disorders in Old Age, Cognitive Decline, Cognitive Deterioration
Interventions
Combination of 40Hz light and cognitive therapy (ALZLIFE)
Device
Lead sponsor
Alzheimer's Light LLC
Industry
Eligibility
50 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2029
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 31, 2024 · Synced Jul 21, 2026, 6:57 PM EDT
Completed Not applicable Interventional

A Community Health Worker Program to Support Rural Older Adults

NCT03843333
View directory record Official record
Conditions
Frail Elderly, Cognitive Impairment, Mobility Limitation, Depressive Symptoms
Interventions
Tai Ji Quan: Moving for Better Balance, Behavioral Activation, Resource Navigation, Enhanced Usual Care
Behavioral · Other
Lead sponsor
University of Vermont
Other
Eligibility
65 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
3
States / cities
Augusta, Maine • Lyme, New Hampshire • Montpelier, Vermont
Source: ClinicalTrials.gov public record
Updated Sep 30, 2020 · Synced Jul 21, 2026, 6:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Exercise, Brain Imaging, Cognition, and Gait in Parkinsonism

NCT02231073
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Exercise and Education for Parkinson's Disease
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
50 Years to 90 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 24, 2019 · Synced Jul 21, 2026, 6:57 PM EDT
Recruiting Phase 3 Interventional

The SCOPE Trial: Sleep, Cognition, and Pain Bundle vs. ERAS-cardiac for Postoperative Delirium

NCT06721819
View directory record Official record
Conditions
Delirium, Postoperative, Delirium in Old Age
Interventions
Sleep Hygiene, Brain Game, and IV Acetaminophen Intervention, Control
Combination Product · Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
60 Years and older
Enrollment
406 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
3
States / cities
Boston, Massachusetts • New York, New York • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Jul 21, 2026, 6:57 PM EDT