Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 18, 2026, 11:14 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 625–648 of 892 matching trials from the live ClinicalTrials.gov search.
Recruiting No phase listed Observational Accepts healthy volunteers

Cannabis Observations on Brain Waves, Retrieval, and Attention: Experiment 4

NCT07679581
Conditions
Cannabis, Memory, Electroencephalography
Interventions
Cannabis (smoked flower)
Drug
Lead sponsor
L. Cinnamon Bidwell
Other
Eligibility
21 Years to 40 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Boulder, Colorado
Completed No phase listed Observational Accepts healthy volunteers

Healthy Aging and Memory Study

NCT00034567
Conditions
Alzheimer Disease
Interventions
Not listed
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
75 Years and older
Enrollment
650 participants
Healthy volunteers
Accepts healthy volunteers
U.S. locations
39
States / cities
Birmingham, Alabama • Sun City, Arizona • Irvine, California + 30 more
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Modafinil for Treatment of Cognitive Dysfunction in Schizophrenia

NCT00423943
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
modafinil, Placebos
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 54 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2012
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Major Depressive Disorder, Alzheimer Disease, Dementia, Nervous System Diseases, Memory Disorders, Depressive Disorder
Interventions
Transcranial direct current stimulation (tDCS); Transcranial alternating current stimulation (tACS)
Device
Lead sponsor
Hebrew SeniorLife
Other
Eligibility
55 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Not listed Not applicable Interventional Accepts healthy volunteers

Neural Correlates of Working Memory Training for HIV Patients

NCT02602418
Conditions
HIV Infection
Interventions
Adaptive WM CogMed Training, Nonadaptive WM CogMed Training
Other
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years to 85 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Completed No phase listed Observational Accepts healthy volunteers

Cannabis Observations on Brain Waves, Retrieval, and Attention: Experiment 1

NCT05868213
Conditions
Cannabis, Memory, Electroencephalography
Interventions
Cannabis (smoked flower)
Drug
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
21 Years to 40 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boulder, Colorado
Conditions
Mild Cognitive Impairment, Amnestic Mild Cognitive Disorder, Deep Brain Stimulation, Mild Alzheimer's Disease
Interventions
Low-Intensity Focused Ultrasound Pulsation (LIFUP)
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
50 Years to 90 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Innate and Acquired Immunity to Influenza Infection and Immunization (SLVP029)

NCT03028974
Conditions
Influenza
Interventions
Fluzone®, FluMist®
Biological
Lead sponsor
Stanford University
Other
Eligibility
6 Months to 49 Years
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Stanford, California
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Memory Modulation by Pain During Anesthesia

NCT02515890
Conditions
Amnesia, Pain, Anesthesia
Interventions
Dexmedetomidine, Midazolam, Peripheral nerve stimulation, Ketamine
Drug · Device
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 39 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
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
Conditions
Mild Cognitive Impairment
Interventions
Memory Support System (MSS)
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Jacksonville, Florida
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Treatment of Incontinence Without Memory Problems

NCT02436889
Conditions
Urge Incontinence, Urinary Incontinence, Urge
Interventions
Mirabegron, Tolterodine Tartrate
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
65 Years and older · Female only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
San Francisco, California
Completed Phase 2 Interventional Accepts healthy volunteers

Study of Pomegranate Juice on Memory in Older Adults

NCT02093130
Conditions
Impact of Pomegranate Juice on Memory in Older Adults
Interventions
Pomegranate Juice, Placebo
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
50 Years to 75 Years
Enrollment
212 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Terminated Not applicable Interventional Accepts healthy volunteers Results available

fMRI Guided TMS Enhancement of Associative Memory Networks

NCT02749422
Conditions
Epilepsy
Interventions
MagStim RapidStim2
Diagnostic Test
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 40 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
New York, New York
Terminated No phase listed Observational

Ammonia Levels and Cognitive Impairment

NCT02059356
Conditions
Dementia, Cognitive Decline, Cognitive Impairment, Developmental Delay
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Dementia, Memory Loss, Caregiver
Interventions
Tracking/finding system
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Schizophrenia
Interventions
Closed loop auditory stimulation during sleep
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Charlestown, Massachusetts
Conditions
Alzheimer's Dementia
Interventions
Resonator
Device
Lead sponsor
pico-tesla Magnetic Therapies, LLC
Industry
Eligibility
55 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Tampa, Florida
Conditions
Brain and Central Nervous System Tumors, Cognitive/Functional Effects, Fatigue, Neurotoxicity, Psychosocial Effects of Cancer and Its Treatment
Interventions
modafinil, placebo
Drug · Other
Lead sponsor
University of South Florida
Other
Eligibility
6 Years to 19 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
60
States / cities
Birmingham, Alabama • Long Beach, California • Los Angeles, California + 53 more
Conditions
THC
Interventions
THC, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Hartford, Connecticut
Completed Not applicable Interventional Accepts healthy volunteers

Breakfast Consumption in Preschoolers: Satiety, Diet Quality and Memory

NCT02122224
Conditions
Lack of Satiety, Dietary Modification, Memory Deficits, Obesity
Interventions
High fiber breakfast, High Protein Breakfast, High Protein/High Fiber Breakfast
Other
Lead sponsor
Purdue University
Other
Eligibility
4 Years to 5 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Lafayette, Indiana
Completed Phase 1Phase 2 Interventional Results available

Nicotine Treatment of Cognitive Decline in Down Syndrome

NCT01778946
Conditions
Down Syndrome, Mild Cognitive Impairment
Interventions
Low Dose Nicotine (7mg), Moderate Dose Nicotine (14mg)
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
25 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Flavanols and Dentate Gyrus Function

NCT02312310
Conditions
Memory Loss
Interventions
Cocoa Flavanol
Dietary Supplement
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
50 Years to 75 Years
Enrollment
211 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
New York, New York
Conditions
Schizophrenia
Interventions
1 Hz rTMS Stimulation, Sham rTMS Stimulation
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 40 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
2
States / cities
Indianapolis, Indiana