Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 7, 2026, 8:20 PM EDT

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Showing 1–24 of 321 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Leptomeningeal Metastases
Interventions
Involved-field Photon Radiation Therapy, Proton Craniospinal Irradiation (CSI), Neurocognitive Assessment, MDASI-BT and MDASI-SP
Radiation · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
Up to 99 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Plasma Hydrogen Sulfide as a Biomarker for Alzheimer's Disease and Related Dementias

NCT05060848
Conditions
Alzheimer Disease, Dementia
Interventions
Not listed
Lead sponsor
Louisiana State University Health Sciences Center Shreveport
Other
Eligibility
55 Years to 100 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Shreveport, Louisiana
Completed Early Phase 1 Interventional Accepts healthy volunteers

Effects of THC on Emotional Memory Retrieval

NCT03471585
Conditions
Healthy
Interventions
THC, Placebo oral capsule
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 35 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Chicago, Illinois
Terminated Phase 2 Interventional Results available

MemoryXL Effects on Mild Cognitive Impairment Patients

NCT00903695
Conditions
Mild Cognitive Impairment
Interventions
Memory XL, placebo
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
55 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
2
States / cities
Oklahoma City, Oklahoma
Conditions
Carotid Artery Stenosis
Interventions
Neuropsychological testing
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
40 Years and older
Enrollment
207 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2018
U.S. locations
3
States / cities
Palo Alto, California • St Louis, Missouri • Madison, Wisconsin
Conditions
Latent Tuberculosis
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Alzheimer's Disease, Dementia
Interventions
Placebo, Medication Therapy Management (MTM), Scopolamine patch
Other · Drug
Lead sponsor
Daniela Moga
Other
Eligibility
65 Years to 101 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Lexington, Kentucky
Conditions
Epilepsy, Autobiographical Memory
Interventions
Free and Cued Recall Memory. Temporal Sequence and Spatial Memory
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Salt Lake City, Utah
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Basic Experimental Study of Hippocampal Memory Functions

NCT05945628
Conditions
Memory
Interventions
Different cognitive and memory demands during the memory experiment, Different electrical stimulation parameters during cognitive and memory demands
Behavioral · Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 45 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
2
States / cities
Chicago, Illinois
Conditions
Memory Impairment
Interventions
Fruitflow-II, resVida
Drug
Lead sponsor
Neurolgy Institute for Brain Health and Fitness
Other
Eligibility
50 Years to 80 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Lutherville, Maryland
Recruiting No phase listed Observational Accepts healthy volunteers

Longitudinal Cognitive Assessment by BoCA

NCT04114994
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Vascular Dementia, Frontotemporal Dementia, Parkinson Disease, Multiple Sclerosis, TBI
Interventions
Boston Cognitive Assessment (BoCA)
Diagnostic Test
Lead sponsor
Alzheimer's Light LLC
Industry
Eligibility
50 Years and older
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2029
U.S. locations
1
States / cities
Miami, Florida
Terminated No phase listed Observational Accepts healthy volunteers

Brain Circuitry Analysis in Bipolar Disorder

NCT05186077
Conditions
Bipolar Disorder
Interventions
Magnetic Resonance Imaging, Psychiatric testing, Eye-Tracking, Neuropsychology Evaluation
Other
Lead sponsor
Jennifer Sweet
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Acute Lymphoblastic Leukemia, Transcranial Direct Current Stimulation, Executive Dysfunction
Interventions
Anodal tDCS treatment, Cathodal tDCS treatment, Sham treatment, NIH Toolbox List Sorting Working Memory Test, NIH Toolbox Flanker Inhibitory Control and Attention Test, Grooved Peg Board Test, Buschke Selective Reminding Test
Device · Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
8 Years to 215 Months
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Memphis, Tennessee
Conditions
Autonomic Nervous System Disease, Concussive Injury, Mild Traumatic Brain Injury, Post Traumatic Stress Disorder, Persistent Post Concussion Syndrome
Interventions
HRV Coherence Ratio, NSI, Pittsburgh Sleep Quality Index (PSQI), Quantitative Sleep Measures, Patient Global Impression of Change (PGIC), Cognitive Performance/NIH Toolbox Cognitive Battery, Pain Interference/TBI-QoL Pain Interference Short-Form, Patient Health Questionnaire-9 (PHQ-9), PTSD Checklist for DSM-5 (PCL-5), HRV Biofeedback (HRV-B), Psychoeducational (Edu) Comparator Intervention
Other · Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Richmond, Virginia
Recruiting Not applicable Interventional Accepts healthy volunteers

Neuromodulation of Memory in Aging

NCT05460468
Conditions
Mild Cognitive Impairment, MCI
Interventions
Transcranial Magnetic Stimulation
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 75 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Completed Not applicable Interventional Results available

CPAP to Treat Cognitive Dysfunction in MS

NCT02544373
Conditions
Multiple Sclerosis
Interventions
PAP therapy
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 70 Years
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Completed No phase listed Observational Accepts healthy volunteers

Atlas of Retinal Imaging in Alzheimer's Study

NCT03862222
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Mild Dementia, Aging, Cognitive Change
Interventions
Retinal Imaging, Pupillometry, Contrast Sensitivity, Neuropsychological Evaluation, APOE genotyping, blood draw, Gait Assessment, Actigraphy
Other · Diagnostic Test · Genetic
Lead sponsor
University of Rhode Island
Other
Eligibility
55 Years to 80 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
4
States / cities
Clearwater, Florida • St. Petersburg, Florida • Kingston, Rhode Island + 1 more
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Brain Health Virtual Reality Study

NCT06124339
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
Conditions
Pediatric Pateints, Amnesic Properties of Propofol
Interventions
memory test, Propofol
Other · Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
4 Years to 14 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
New York, New York
Conditions
Pediatric Retinoblastoma, Retinoblastoma
Interventions
Wechsler Intelligence Scale for Children, Fifth Edition (WISC-V), California Verbal Learning Test, Children's Version, Beery Developmental Test of Visual Motor Integration, 6th edition, Grooved Pegboard Test, Behavior Assessment System for Children/Parent Report
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
6 Years to 17 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Accepts healthy volunteers Results available

Restoration of Spectral Resolution With Hearing-aid Amplification

NCT03850678
Conditions
Hearing Loss
Interventions
Hearing Aid
Device
Lead sponsor
University of Nebraska Lincoln
Other
Eligibility
40 Years to 75 Years
Enrollment
209 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Lincoln, Nebraska
Conditions
TBI (Traumatic Brain Injury), PTSD
Interventions
V-TRACTS Assessment/Feedback, OPTIONAL Brief Assessment of Thinking, OPTIONAL STEP-Home-Brief, OPTIONAL At-home Exercise Program, OPTIONAL Referral to 12-week STEP-Home, OPTIONAL Clinical Referral
Behavioral
Lead sponsor
VA Boston Healthcare System
Federal
Eligibility
18 Years to 70 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Network Control TMS fMRI

NCT05736458
Conditions
Attention Deficit Hyperactivity Disorder, Attention Deficit Disorder, Working Memory
Interventions
Transcranial Magnetic Stimulation (TMS), High controllability TMS target
Device · Procedure
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 28 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Depressive Disorder, Major
Interventions
Computer- administered test battery, Examiner- administered test battery
Device
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 59 Years
Enrollment
585 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
20
States / cities
Birmingham, Alabama • Anaheim, California • Beverly Hills, California + 17 more