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Showing 1–24 of 44 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Recruiting No phase listed Observational Accepts healthy volunteers

Brain Blood Flow and Lactate in Non-obese and Obese Subjects

NCT06791837
Conditions
Diabetes, Obesity
Interventions
EXERCISE
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Columbia, Missouri
Conditions
Refractory Ascites
Interventions
Study - Transjugular Intrahepatic Portosystemic Shunt (TIPS), Control - Transjugular Intrahepatic Portosystemic Shunt (TIPS)
Procedure
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Hypotension, Orthostatic, Hypotension, Spinal Cord Injuries
Interventions
Northera, Placebo
Drug · Other
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 89 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
2
States / cities
New York, New York • The Bronx, New York
Terminated Not applicable Interventional Accepts healthy volunteers

Exercise in Adolescents With Insulin Resistance

NCT04154865
Conditions
Insulin Resistance
Interventions
Hypercapnia, Transcranial Doppler, Cycle ergometer, Cognitive Tests
Other · Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
12 Years to 18 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Madison, Wisconsin
Terminated Not applicable Interventional Results available

Effect of Raised CBF During CEA on Cognition in DM Patients

NCT00597545
Conditions
Carotid Artery Disease, Carotid Artery Stenosis, Diabetes, Cognitive Dysfunction
Interventions
Carotid endarterectomy, Shunt
Procedure · Device
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
1
States / cities
New York, New York
Conditions
Gestational Diabetes Mellitus (GDM), Postpartum Women, Uncomplicated Pregnancy
Interventions
Intradermal Microdialysis, Brain Blood Flow Tests, Local Heating
Drug · Other
Lead sponsor
Anna Stanhewicz, PhD
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
Recruiting Not applicable Interventional Accepts healthy volunteers

Evaluating Q-Collar Effects on Brain Blood Flow Control During Exercise

NCT06826781
Conditions
Healthy
Interventions
Q30 Q-Collar, Not wearing Q-Collar
Device · Other
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
18 Years to 30 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Cambridge, Massachusetts
Not yet recruiting Early Phase 1 Interventional Accepts healthy volunteers

Human Cerebrovascular Blood Flow and Sex Differences in Metabolic Syndrome

NCT07218653
Conditions
Metabolic Syndrome
Interventions
Indomethacin, Placebo, MRI
Drug · Diagnostic Test
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 45 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2031
U.S. locations
1
States / cities
Madison, Wisconsin
Completed No phase listed Observational Accepts healthy volunteers

Neuroimaging of Dystonia

NCT02046447
Conditions
Primary Cervical Dystonia, DYT 1 Dystonia
Interventions
Primary Cervical Dystonia (Trihexyphenidyl), Controls Primary Cervical Dystonia (Trihexyphenidyl), DYT 1 Dystonia (Healthy Control), DYT 1 Dystonia
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
7 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Traumatic Brain Injury
Interventions
Sildenafil Citrate 50Mg Tab, functional Near-infrared Spectroscopy (fNIRS), Carbon Dioxide (CO2) 5%, Neuropsychological Assessments, Gadolinium contrast infusion, Blood sample collection for research purposes, Structural brain Magnetic Resonance Imaging (MRI
Drug · Device · Other + 1 more
Lead sponsor
Uniformed Services University of the Health Sciences
Federal
Eligibility
18 Years to 55 Years
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
IUGR, Pregnancy
Interventions
Ultrasound, MRI, Blood collection, Neurological Function Assessment, Placental Analysis, Measurement of body fat, Pediatric heart ultrasound
Radiation · Procedure · Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2028
U.S. locations
1
States / cities
Aurora, Colorado
Completed No phase listed Observational Accepts healthy volunteers Results available

Cerebral Blood Flow and Childhood Obstructive Sleep Apnea

NCT02995837
Conditions
Obstructive Sleep Apnea Syndrome
Interventions
Sleep Study, Neurocognitive Testing, CBF During Wakefulness, CBF During Sleep
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
6 Years to 12 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Hypotension, Postural
Interventions
Pyridostigmine Bromide, Tilt table test
Drug · Device
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
West Orange, New Jersey
Conditions
Respiratory Control in Premature Infants
Interventions
Bedside Physiology study, Carotid Body Function Test, Room Air Challenge, Hypoxia Challenge Test, Effects of Nasal Cannula Flow, Magnetic Resonance Imaging, Echocardiogram, Blood Sample
Other · Diagnostic Test
Lead sponsor
Washington University School of Medicine
Other
Eligibility
1 Day to 28 Days
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Embolic Stroke of Undetermined Source, Transient Ischemic Attack, Right-To-Left Atrial Shunt, Patent Foramen Ovale
Interventions
NeuralBot Investigational System, Transthoracic Echocardiography (TTE)
Diagnostic Test
Lead sponsor
NeuraSignal Inc dba NovaSignal
Industry
Eligibility
18 Years and older
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
7
States / cities
Phoenix, Arizona • Portland, Oregon • Chattanooga, Tennessee + 3 more
Recruiting No phase listed Observational Accepts healthy volunteers

PCOS and Brain Health

NCT07727512
Conditions
PCOS
Interventions
MRI Visit, Laboratory Visit
Device · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Madison, Wisconsin
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
Conditions
Multiple Sclerosis, Relapse
Interventions
Blood samples and processing
Diagnostic Test
Lead sponsor
Regina Elena Cancer Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
New York, New York
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Cardiovascular and Neurovascular Regulation in GWI

NCT04586049
Conditions
Brain Blood Flow, Neurovascular Control
Interventions
MRI, Transcranial Doppler Ultrasound, Sympathetic Nerve Activity
Device · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
45 Years to 68 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Madison, Wisconsin
Completed Phase 1 Interventional Accepts healthy volunteers

Mechanisms of Cerebrovascular Control

NCT02936687
Conditions
Metabolic Syndrome X
Interventions
NOS Inhibition, ET-1 Inhibition, NOS Inhibition Placebo, 3 Tesla MRI, Intravenous Catheter, Oral Glucose Tolerance Test, ET-1 Inhibition Placebo
Drug · Device · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 45 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
D012039, D001775
Interventions
No intervention
Diagnostic Test
Lead sponsor
Semler Scientific
Industry
Eligibility
45 Years and older
Enrollment
657 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
4
States / cities
Macon, Georgia • Lincoln, Nebraska • Houston, Texas
Active, not recruiting No phase listed Observational

Blood Vessel Anatomy and Blood Flow Regulation

NCT05396287
Conditions
Brain Blood Flow, Healthy
Interventions
MRI
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
55 Years to 69 Years
Enrollment
80 participants
Timeline
2022 – 2027
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Long COVID
Interventions
Acute Placebo Visit, Acute Progressive Carbon Dioxide, Acute Intermittent Hypoxia, Training: Progressive Carbon Dioxide Ramping, Training: Intermittent Hypoxic Exposure, Training: Placebo Control
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Scottsdale, Arizona
Conditions
Transposition Great Arteries, Executive Dysfunction
Interventions
Brain MRI, neurocognitive and psychological testing
Diagnostic Test
Lead sponsor
Boston Children's Hospital
Other
Eligibility
24 Years to 33 Years
Enrollment
127 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts