Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Nov 2, 2026, 12:09 AM EST

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Showing 1417–1440 of 1,884 matching trials from the live ClinicalTrials.gov search.
Conditions
Cognitive Change, Cognitive Impairment, Mild, Aging
Interventions
Piano Training
Behavioral
Lead sponsor
University of Georgia
Other
Eligibility
65 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Athens, Georgia
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Flortaucipir 18F PET Imaging in BIOCARD Study

NCT03052972
Conditions
Cognitive Decline
Interventions
Flortaucipir F18, Brain PET scan
Drug · Procedure
Lead sponsor
Avid Radiopharmaceuticals
Industry
Eligibility
Not listed
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Galantamine ER, Memantine XR
Drug
Lead sponsor
Sheppard Pratt Health System
Other
Eligibility
18 Years to 55 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Age-Associated Memory Impairment
Interventions
Tricaprilin, Placebo
Drug · Other
Lead sponsor
Cerecin
Industry
Eligibility
50 Years to 85 Years
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
6
States / cities
Brooksville, Florida • DeLand, Florida • Naples, Florida + 3 more
Completed Phase 2 Interventional Results available

Nicotinamide as an Early Alzheimer's Disease Treatment

NCT03061474
Conditions
Alzheimer's Disease, Mild Cognitive Impairment
Interventions
Nicotinamide, Placebo Comparator
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
50 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
2
States / cities
Irvine, California • Los Angeles, California
Conditions
Midlife Obese Adults With Cognitive Decline
Interventions
Prolonged nightly fasting, Health Education Control
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
40 Years to 59 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Phoenix, Arizona
Not listed No phase listed Observational Accepts healthy volunteers

Neuroinflammation and Alzheimer's Pathology in POCD

NCT05378659
Conditions
Post-Operative Confusion, Neuroinflammatory Response, Alzheimer Disease
Interventions
Montreal Cognitive Assessment, Stroop Test, 4AT Delirium, Grooved Pegboard, NACC Cognitive Battery, ERP Testing, Blood Plasma and Serum sampling, Cerebral Spinal Fluid Sample
Behavioral · Diagnostic Test
Lead sponsor
University of Tennessee Graduate School of Medicine
Other
Eligibility
60 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Knoxville, Tennessee
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
Conditions
Alzheimer Disease
Interventions
Anti-amyloid Monoclonal Antibodies (mAbs), Standard of Care
Drug · Combination Product
Lead sponsor
Emory University
Other
Eligibility
50 Years to 90 Years
Enrollment
735 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
8
States / cities
Albany, Georgia • Atlanta, Georgia • Augusta, Georgia + 4 more
Conditions
Sepsis, Delirium, Impaired Cognition
Interventions
Dexmedetomidine, Propofol
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
438 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
11
States / cities
San Francisco, California • Baton Rouge, Louisiana • Boston, Massachusetts + 7 more
Conditions
Alzheimer Disease, Hearing Loss, Cognitive Impairment
Interventions
Hearing Intervention, Health Education Intervention
Device · Behavioral
Lead sponsor
Columbia University
Other
Eligibility
55 Years to 75 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Results available

Stimulation to Improve Memory

NCT03875326
Conditions
Mild Cognitive Impairment, Dementia of Alzheimer Type
Interventions
1 mA HD-tDCS, 2 mA HD-tDCS, 3 mA HD-tDCS, Sham
Device
Lead sponsor
University of Michigan
Other
Eligibility
50 Years and older
Enrollment
233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Levetiracetam and Memory Function in Amnestic Mild Cognitive Impairment (MCI)

NCT01044758
Conditions
Mild Cognitive Impairment (MCI)
Interventions
Levetiracetam 62.5mg, Levetiracetam 125mg, Levetiracetam 250mg, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
50 Years to 85 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Not yet recruiting Phase 4 Interventional Accepts healthy volunteers

Light and Sleep Fragmentation

NCT06009289
Conditions
Sleep, Mild Cognitive Impairment, Mood Disorders
Interventions
Light therapy
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
65 Years to 99 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Redwood City, California
Conditions
Cognitive Impairment, Dementia, Memory Deficits
Interventions
Community Health Worker (CHW) Guided Support
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 100 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Austin, Texas
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
d-cycloserine, glycine, placebo
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 54 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
4
States / cities
Los Angeles, California • Baltimore, Maryland • Glen Oaks, New York + 1 more
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Longitudinal Early-onset Alzheimer's Disease Study Protocol

NCT03507257
Conditions
Early Onset Alzheimer Disease, Alzheimer Disease, Mild Cognitive Impairment
Interventions
Flortaucipir, Florbetaben, Fluorodeoxyglucose
Drug
Lead sponsor
Indiana University
Other
Eligibility
40 Years to 64 Years
Enrollment
850 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2027
U.S. locations
18
States / cities
Sun City, Arizona • Los Angeles, California • Palo Alto, California + 15 more
Recruiting Not applicable Interventional Accepts healthy volunteers

Polyphenols and Cognitive Decline

NCT06507254
Conditions
Cognitive Decline, Cognitive Dysfunction
Interventions
Polyphenol Supplement, Placebo Supplement
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
50 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers

Neurofeedback to Aid Vets' Memory

NCT04446481
Conditions
Mild Cognitive Impairment
Interventions
Neurofeedback
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years and older
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Lexington, Kentucky
Conditions
Cancer, Advanced, Cognitive Impairment, Mild
Interventions
Dyadic Life Review (DLR)
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
50 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Rochester, New York
Terminated Not applicable Interventional Results available

Napping, Sleep, Cognitive Decline and Risk of Alzheimer's Disease

NCT03256539
Conditions
Sleep, Alzheimer Disease, Cognitive Impairment, Aging, CBT
Interventions
Sleep intervention, Placebo intervention
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
65 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
San Francisco, California
Conditions
Schizophrenia, Impaired Cognition
Interventions
EVP-6124, Placebo
Drug
Lead sponsor
FORUM Pharmaceuticals Inc
Industry
Eligibility
18 Years to 50 Years
Enrollment
767 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
49
States / cities
Phoenixville, Arizona • Little Rock, Arkansas • Cerritos, California + 46 more
Conditions
Alzheimer Disease, Cognitive Impairment
Interventions
Routine care, Coaching plus routine care
Behavioral · Other
Lead sponsor
Hoag Memorial Hospital Presbyterian
Other
Eligibility
50 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Newport Beach, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Preventing Cognitive Decline

NCT05446909
Conditions
Cognitive Decline
Interventions
IBMT mindfulness, health education
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
40 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Phoenix, Arizona