Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 19, 2026, 5:11 AM EDT

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Showing 1–24 of 43 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
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
Completed Early Phase 1 Interventional Accepts healthy volunteers

Cholinergic Mechanisms of Attention in Aging

NCT04756232
Conditions
Subjective Cognitive Decline
Interventions
Mecamylamine Challenge, Placebo Comparator Challenge
Drug · Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
55 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Memory Impairment
Interventions
simultaneous aerobic exercise, sequential aerobic exercise, stretching and toning
Other
Lead sponsor
David Merrill, MD, PhD
Other
Eligibility
60 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Subjective Cognitive Decline
Interventions
Neurotrack Virtual Cognitive Health Program
Behavioral
Lead sponsor
Evidation Health
Industry
Eligibility
60 Years to 75 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
San Mateo, California
Completed No phase listed Observational Accepts healthy volunteers

Brain Health Together: Development and Pilot Test

NCT06914947
Conditions
Cognitive Impairment, Subjective Cognitive Decline, Mild Cognitive Impairment (MCI)
Interventions
Brain Health Together
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
65 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
San Francisco, California
Recruiting Not applicable Interventional Accepts healthy volunteers

Natives Engaged in Alzheimers Research - 'Ike Kupuna

NCT05534607
Conditions
Mild Cognitive Impairment, Subjective Cognitive Impairment
Interventions
Ola Mau i ka Hula
Behavioral
Lead sponsor
University of Hawaii
Other
Eligibility
50 Years to 75 Years
Enrollment
192 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
3
States / cities
Honolulu, Hawaii • Wailuku, Hawaii
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Brain Health Champion Study

NCT03772977
Conditions
Mild Cognitive Impairment, Dementia, Mild, Subjective Cognitive Decline, At Risk for Cognitive Decline
Interventions
Brain Health Champion
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
60 Years to 79 Years
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Subjective Cognitive Decline
Interventions
Internet-based Mindfulness-Based Stress Reduction (iMBSR), Internet-based Lifestyle Education (iLifeEd)
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
50 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Completed Not applicable Interventional Accepts healthy volunteers

Brain Health Program for Older Adults With Subjective Cognitive Decline

NCT05934136
Conditions
Memory Loss (Excluding Dementia), Healthy Lifestyle, Risk Reduction Behavior
Interventions
My Healthy Brain 1, My Healthy Brain 2
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
60 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Subjective Cognitive Decline
Interventions
the DEMA-Pro intervention
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
50 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Indianapolis, Indiana
Recruiting Phase 1 Interventional Accepts healthy volunteers

CogT pSOPT Intervention Study

NCT06005038
Conditions
Mild Cognitive Impairment, Subjective Cognitive Impairment
Interventions
pSOPT, MLA
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
60 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Palo Alto, California
Conditions
Subjective Cognitive Decline, Depression in Old Age
Interventions
PeersCOG
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
60 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Mild Cognitive Impairment (MCI), Alzheimer's Dementia (AD), Subjective Cognitive Decline (SCD), Cognitive Aging
Interventions
Not listed
Lead sponsor
University of Virginia
Other
Eligibility
65 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Charlottesville, Virginia
Conditions
Subjective Cognitive Concerns, Mild Cognitive Impairment, Mild Behavioral Impairment, Healthy Aging
Interventions
AROMHA Brain Health Test
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 100 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Mild Cognitive Impairment, Subjective Cognitive Decline (SCD)
Interventions
Virtual Reality (VR) sessions
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
55 Years to 90 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional Accepts healthy volunteers

The Cognitive Ageing Nutrition and Neurogenesis (CANN) Trial

NCT02525198
Conditions
Mild Cognitive Impairment, Subjective Memory Impairment
Interventions
fatty acid/flavonoid blend, Placebo
Dietary Supplement
Lead sponsor
University of East Anglia
Other
Eligibility
55 Years and older
Enrollment
259 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Urbana, Illinois
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

FACE Phase II (a Stage II Trial)

NCT07130669
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
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
Enrolling by invitation Not applicable Interventional

The Digital Memory Notebook

NCT04240665
Conditions
Prodromal Alzheimer's Disease, Mild Cognitive Impairment, Subjective Cognitive Complaints
Interventions
Digital Memory Notebook (DMN) Application
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
60 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Sacramento, California
Conditions
Subjective Cognitive Decline (SCD), Healthy Subjects
Interventions
Experimental -- 16.67 Hz Visual Occlusion, Control - 1Hz Visual Occlusion
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
65 Years to 89 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Mild Cognitive Impairment
Interventions
Curcumin, aerobic yoga, non aerobic yoga, Placebo
Drug · Behavioral · Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years to 90 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
West Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers

Modulation Effects of Baduanjin Exercise on Subjective Cognitive Decline

NCT04009382
Conditions
Cognitive Decline
Interventions
Baduanjin Exercise, Cognitive Fitness Program
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
50 Years to 80 Years
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Charlestown, Massachusetts
Conditions
Health, Subjective, Gastrointestinal Dysfunction, Cardiovascular Risk Factor, Autoimmune Diseases, Dental Diseases, Hormone Disturbance, Neurocognitive Dysfunction
Interventions
Supplements and/or medical foods, Behavioral change support program, Food plan
Dietary Supplement · Behavioral · Other
Lead sponsor
Metagenics, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Gig Harbor, Washington
Conditions
Chronic Pain, Physical Activity, Older Adults, Mild Cognitive Impairment
Interventions
MBCT+w, ALED
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
50 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts