Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 20, 2026, 4:58 PM EDT

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Showing 1–24 of 1,950 matching trials from the live ClinicalTrials.gov search.
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
Conditions
Alzheimer Disease
Interventions
Intermittent theta burst stimulation
Device
Lead sponsor
HealthPartners Institute
Other
Eligibility
40 Years to 90 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Saint Paul, Minnesota
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Brain Blood Flow Responses During Exercise: Younger Cohort

NCT06446622
Conditions
Cerebrovascular Circulation, Magnetic Resonance Imaging
Interventions
MRI
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
20 Years to 40 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Madison, Wisconsin
Completed No phase listed Observational Accepts healthy volunteers

Multimodal Monitoring of Cerebral Autoregulation After Pediatric Brain Injury

NCT04242602
Conditions
Traumatic Brain Injury, Brain Injuries, Brain Injury, Vascular
Interventions
Transcranial Doppler
Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
28 Days to 18 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Alzheimer's Disease
Interventions
I123MNI388/I123MNI390
Drug
Lead sponsor
Institute for Neurodegenerative Disorders
Other
Eligibility
50 Years and older
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Glioblastoma Multiforme
Interventions
Novo-TTF
Device
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Brain Tumor, Brain Neoplasms, Brain Cancer, Glioma, Glioblastoma
Interventions
Ultrasound
Diagnostic Test
Lead sponsor
Hospital del Rio Hortega
Other
Eligibility
15 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Psilocybin, Hallucinogens, Pharmacologic Actions, Central Nervous System Agents, Therapeutic Uses, Psychotropic Drugs
Interventions
psilocybin
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
25 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Bipolar Disorder
Interventions
Ketone Ester Beverage, Low Glycemic Index Diet
Dietary Supplement · Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
2
States / cities
Ann Arbor, Michigan
Conditions
Non-Metastatic Prostate Carcinoma, Stage I Prostate Cancer AJCC v8, Stage II Prostate Cancer AJCC v8, Stage IIA Prostate Cancer AJCC v8, Stage IIB Prostate Cancer AJCC v8, Stage IIC Prostate Cancer AJCC v8, Stage III Prostate Cancer AJCC v8, Stage IIIA Prostate Cancer AJCC v8, Stage IIIB Prostate Cancer AJCC v8, Stage IIIC Prostate Cancer AJCC v8
Interventions
7 Tesla Magnetic Resonance Imaging
Procedure
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Completed No phase listed Observational

Escitalopram Neuroimaging Supplement

NCT01398865
Conditions
Body Dysmorphic Disorder
Interventions
PET scan and MRI scan
Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 64 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Depression
Interventions
11(R)-rolipram
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 70 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Pregnenolone on Perceived Social Isolation

NCT02826577
Conditions
Perceived Social Isolation
Interventions
Pregnenolone 175mg, Pregnenolone 400mg, Placebo
Drug
Lead sponsor
University of Chicago
Other
Eligibility
21 Years to 80 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Cerebral Palsy, Typically Developing Children
Interventions
MRI, HD-EEG Recording, rTMS
Device
Lead sponsor
Cook Children's Health Care System
Other
Eligibility
6 Years to 20 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Fort Worth, Texas
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Neurodevelopmental Outcomes in ZIKV-Exposed Children

NCT04398901
Conditions
Zika Virus, Congenital Zika Syndrome, Congenital Infection, Child Development
Interventions
Neurodevelopmental assessments
Other
Lead sponsor
Children's National Research Institute
Other
Eligibility
3 Years to 7 Years
Enrollment
204 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed Not applicable Interventional Accepts healthy volunteers

Youth Soccer Header Study

NCT04919707
Conditions
Brain Injuries
Interventions
Header Session, MRI Session
Behavioral · Procedure
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
12 Years to 18 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Post-Traumatic Headache, Healthy
Interventions
Brain Magnetic Resonance Imaging (MRI) Scan, Speech Sample, Electronic Daily Headache Diary
Diagnostic Test · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
2
States / cities
Phoenix, Arizona
Conditions
Brain Metastases
Interventions
Single Fraction Stereotactic Radiosurgery (SRS), Fractionated Whole Brain Radiation Therapy (WBRT), Fractionated Stereotactic Radiation Therapy (FSRT), Magnetic Resonance Imaging (MRI) Assessments
Radiation · Device
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2014
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Major Depressive Disorder
Interventions
Neuroimaging with Magnetic Resonance Imaging (MRI)
Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Brain Energy Metabolism in Individuals With Major Depressive Disorder Receiving Escitalopram

NCT00183677
Conditions
Depression
Interventions
Escitalopram
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Chronic Back Pain, Chronic Pain (Back / Neck)
Interventions
low intensity focused ultrasound (LIFU)
Device
Lead sponsor
Washington D.C. Veterans Affairs Medical Center
Federal
Eligibility
21 Years to 75 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed No phase listed Observational Accepts healthy volunteers

PET Imaging of Brain mGluR1 Receptors Using [18F]FIMX

NCT02230592
Conditions
Anxiety Disorder, Major Depressive Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 55 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Radiation Injury, Brain Tumor
Interventions
Not listed
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Completed No phase listed Observational Accepts healthy volunteers

PET-CT Scan Method to Monitor Pancreatic B-Cell Loss in Diabetes Mellitus

NCT00633763
Conditions
Type1 Diabetes Mellitus
Interventions
18F-fallypride
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Orange, California