Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 20, 2026, 5:01 PM EDT

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Showing 1009–1032 of 1,065 matching trials from the live ClinicalTrials.gov search.
Conditions
PARKINSON DISEASE (Disorder), Parkinson s Disease
Interventions
TMS
Device
Lead sponsor
San Francisco Neurology and Sleep Center
Other
Eligibility
50 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
San Francisco, California
Conditions
Posttraumatic Stress Disorders
Interventions
Executive function training
Behavioral
Lead sponsor
University of Missouri, Kansas City
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Kansas City, Missouri
Completed Phase 2 Interventional Results available

Gabapentin Treatment of Cannabis Dependence

NCT00974376
Conditions
Cannabis Dependence, Cannabis Withdrawal, Cognitive Deficits
Interventions
gabapentin 1200mg/day, Placebo, Manual-guided behavioral counseling
Drug · Behavioral
Lead sponsor
The Scripps Research Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
1
States / cities
La Jolla, California
Completed No phase listed Observational Accepts healthy volunteers

Hippocampal Metabolism and Function in Patients With Type 1 Diabetes

NCT01852968
Conditions
Hypoglycemia, Diabetes Mellitus
Interventions
Not listed
Lead sponsor
University of Minnesota
Other
Eligibility
20 Years to 70 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Brain Injuries, Traumatic, Executive Dysfunction
Interventions
Home-based telehealth GOALS, In-person GOALS
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
65 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
San Francisco, California
Conditions
COVID-19
Interventions
Exercise Prescription
Other
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Frisco, Texas
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Med-eMonitor, PharmCAT, Treatment as Usual
Behavioral
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 60 Years
Enrollment
197 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2013
U.S. locations
1
States / cities
San Antonio, Texas
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of A Proprietary Spearmint Extract on Cognitive Performance

NCT02518165
Conditions
Mood, Cognitive Performance, Sleep
Interventions
Proprietary spearmint extract, Placebo
Dietary Supplement · Other
Lead sponsor
Kemin Foods LC
Industry
Eligibility
18 Years to 50 Years
Enrollment
142 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Denver, Colorado
Completed Not applicable Interventional Accepts healthy volunteers

Norms Expansion and Validation for IntelliSpace Cognition

NCT04729257
Conditions
Cognitive Functioning of Healthy Individuals
Interventions
Philips IntelliSpace Cognition (ISC)., Paper-Pencil Tests.
Device · Diagnostic Test
Lead sponsor
Philips Clinical & Medical Affairs Global
Industry
Eligibility
18 Years to 95 Years
Enrollment
508 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Newtown Square, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Alpha-GPC on Muscle Power, GH Levels, and Cognitive Function

NCT06690619
Conditions
Cognition - Other, Strength Outcomes
Interventions
Placebo, 315 mg Alpha-GPC, 630 mg Alpha-GPC
Dietary Supplement
Lead sponsor
Lindenwood University
Other
Eligibility
25 Years to 55 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Canfield, Ohio
Completed Phase 2 Interventional Results available

CAndesartan vs LIsinopril Effects on the BRain

NCT01984164
Conditions
Hypertension, Mild Cognitive Impairment
Interventions
Candesartan, Lisinopril
Drug
Lead sponsor
Emory University
Other
Eligibility
55 Years and older
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Atlanta, Georgia
Recruiting No phase listed Observational Accepts healthy volunteers

Longevity Metrics AI/ML Development Study

NCT07808619
Conditions
Aging, Mortality, Cardiovascular Disease Prevention, Metabolic Syndrome, Cognitive Dysfunction, Frailty, Musculoskeletal Diseases, Activities of Daily Living, Physical Disability, Preventive Health Services, Health Services Accessibility, Diagnostic Techniques and Procedures
Interventions
AIML scored health screening battery
Diagnostic Test
Lead sponsor
Longevity Metrics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,000,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2099
U.S. locations
1
States / cities
Boulder, Colorado
Conditions
Motor Function, Cognitive Function, Contrast Media
Interventions
Motor Tests, Cognitive Tests, Unenhanced-MRI of the brain, Gadolinium Measurements, Gadoxetate disodium, Gadobenate dimeglumine, Gadodiamide, Gadoterate meglumine, Gadobutrol, Gadoteridol
Procedure · Drug
Lead sponsor
Guerbet
Industry
Eligibility
18 Years to 64 Years
Enrollment
2,076 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
16
States / cities
Scottsdale, Arizona • New Haven, Connecticut • Chicago, Illinois + 11 more
Conditions
Opioid Use Disorder, Chronic Pain
Interventions
Integrating the Management of Pain and Addiction via Collaborative Treatment (IMPACT), Enhanced Treatment as Usual (ETAU)
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
4
States / cities
West Haven, Connecticut • Bedford, Massachusetts • Boston, Massachusetts + 1 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Intervention Comparative Effectiveness for Adult Cognitive Training

NCT03141281
Conditions
Cognitive Aging
Interventions
BrainHQ, Rise of Nations, IADL Training, Active Control
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
65 Years and older
Enrollment
238 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Tallahassee, Florida
Not listed Not applicable Interventional

Improving Cognition After Cancer

NCT04049695
Conditions
Breast Cancer Survivors, Cognitive Dysfunction
Interventions
Exercise, Control
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
40 Years and older · Female only
Enrollment
253 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
La Jolla, California
Conditions
Alcohol Aftereffects, Anxiety, Cognitive Impairment
Interventions
JoyRise Recovery Powder, Placebo
Dietary Supplement
Lead sponsor
Joyrise
Industry
Eligibility
35 Years to 54 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Santa Monica, California
Conditions
Dementia in Nursing Home
Interventions
Cognitive Stimulation Therapy
Other
Lead sponsor
Northern Kentucky University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Lawrenceburg, Indiana
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Cross Frequency tACS on Cognitive Control

NCT03800030
Conditions
Cognitive Control, Executive Function
Interventions
Theta-gamma tACS, Delta-beta tACS, Sham tACS
Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Schizophrenia
Interventions
Cognitive Behavioral Social Skills Training (CBSST), Goal-focused supportive contact (GFSC), Social Skills Training, Goal Setting
Behavioral
Lead sponsor
Veterans Medical Research Foundation
Other
Eligibility
18 Years and older
Enrollment
179 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
San Diego, California
Conditions
Mild Cognitive Impairment
Interventions
Niagen®, Placebo
Drug · Other
Lead sponsor
University of Delaware
Other
Eligibility
60 Years to 90 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Newark, Delaware
Conditions
Traumatic Brain Injury
Interventions
Huperzine A, Placebo
Drug
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Charlestown, Massachusetts
Conditions
Stress, Psychological, Cognitive Decline
Interventions
MindWalk Intervention
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
45 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
8
States / cities
Bolingbrook, Illinois • Buffalo Grove, Illinois • Chicago, Illinois
Conditions
Mild Cognitive Impairment (MCI), Amyloid Pathology
Interventions
Active Vielight Neuro RX-Duo device -Active transcranial photobiomodulation, Sham Vielight Neuro RX-Duo device -Sham transcranial photobiomodulation
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
55 Years to 95 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Oklahoma City, Oklahoma