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ClinicalTrials.gov public records Last synced Oct 3, 2026, 1:17 PM EDT

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Showing 49–72 of 289 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Cerebral blood flow Clear all
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

This Study Consists of Two Study Parts Conducted Under a Single IRB. Part I: Short Term ApoE-dependent Cerebral Blood Flow Response to Sirolimus in Cognitively Normal Adults Part II: Short Term ApoE-dependent Cerebral Blood Flow and Lung Perfusion Response to Sirolimus in Cognitively Normal Adults

NCT05386914
View directory record Official record
Conditions
Genetic Predisposition to Disease, Healthy Volunteers
Interventions
Sirolimus
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
45 Years to 65 Years
Enrollment
205 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 6, 2026 · Synced Oct 3, 2026, 1:17 PM EDT
Enrolling by invitation Phase 2 Interventional

Inhaled Nitric Oxide for Microvascular Dysfunction in Traumatic Brain Injury

NCT05616910
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
inhaled nitric oxide
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 75 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 3, 2026, 1:17 PM EDT
Not listed Not applicable Interventional

The TAPS Trial - Fetoscopic Laser Surgery for Twin Anemia Polycythemia Sequence

NCT04432168
View directory record Official record
Conditions
Twin Anemia Polycythemia Sequence
Interventions
Fetoscopic Laser Surgery, Standard Treatment
Procedure · Other
Lead sponsor
Leiden University Medical Center
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 16, 2020 · Synced Oct 3, 2026, 1:17 PM EDT
Withdrawn No phase listed Observational

Noninvasive Monitoring of Cerebral Blood Flow Autoregulation in Patients With Traumatic Brain Injury (TBI)

NCT01605838
View directory record Official record
Conditions
Traumatic Brain Injury (TBI)
Interventions
Not listed
Lead sponsor
Advanced Brain Monitoring, Inc.
Industry
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 14, 2015 · Synced Oct 3, 2026, 1:17 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Brain Integrity in Survivors of Hodgkin Lymphoma Treated With Thoracic Radiation

NCT01820117
View directory record Official record
Conditions
Hodgkin Lymphoma
Interventions
Neurocognitive Evaluation, Quantitative Brain Imaging, Neurologic Evaluation, Health Questionnaire, Vascular Testing, Cardiopulmonary Exercise Testing, Echocardiography, Pulmonary Function Testing, Serum Biomarkers, Ophthalmology Examination
Other · Procedure
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
18 Years and older
Enrollment
416 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 1, 2018 · Synced Oct 3, 2026, 1:17 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

UAB Alzheimer's Disease Center Core Cohort - Imaging Substudy

NCT03503331
View directory record Official record
Conditions
Alzheimer Disease
Interventions
[C-11]PiB-PET/MRI
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
50 Years and older
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 3, 2026, 1:17 PM EDT
Terminated No phase listed Observational Results available

Variability in Transcranial Doppler Technique in Neuro-Critical Care Patients

NCT04583163
View directory record Official record
Conditions
Cerebral Aneurysm, Stroke, Vasospasm, Cerebral, Subarachnoid Hemorrhage, Aneurysmal, Aneurysmal Subarachnoid Hemorrhage, Cerebral Ischemia
Interventions
Transcranial Doppler
Diagnostic Test
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years and older
Enrollment
3 participants
Timeline
2020 – 2022
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 15, 2025 · Synced Oct 3, 2026, 1:17 PM EDT
Completed No phase listed Observational

Optimizing Patient's Selection for Endovascular Treatment in Acute Ischemic Stroke

NCT02446587
View directory record Official record
Conditions
Stroke, Ischemic Stroke
Interventions
Mechanical Thrombectomy
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
9
States / cities
Stanford, California • Orlando, Florida • Atlanta, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2019 · Synced Oct 3, 2026, 1:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Acute Exercise Intensity on Cerebral Blood Flow and Cognitive Function in Older Adults

NCT05131217
View directory record Official record
Conditions
Aging Well
Interventions
Acute bout of Continuous Moderate Intensity Exercise, Acute bout of High Intensity Interval Training, Control
Other
Lead sponsor
University of Virginia
Other
Eligibility
65 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 29, 2023 · Synced Oct 3, 2026, 1:17 PM EDT
Completed Not applicable Interventional Results available

RoBotic TCD Ultrasound BubbLe Study Compared to Transthoracic Echocardiography for Detection of Right to Left Shunt

NCT04604015
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 24, 2024 · Synced Oct 3, 2026, 1:17 PM EDT
Withdrawn Phase 4 Interventional

Voxelotor Brain Oxygenation and Neurocognitive Study

NCT05228821
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Voxelotor Oral Tablet
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years to 30 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
2
States / cities
St Louis, Missouri • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Aug 9, 2024 · Synced Oct 3, 2026, 1:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

HYPEROXIA Responses and ROS

NCT05958303
View directory record Official record
Conditions
Cerebrovascular Disorders
Interventions
Antioxidant Cocktail, Placebo
Dietary Supplement · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 3, 2026, 1:17 PM EDT
Completed No phase listed Observational

PET Imaging of DHA Metabolism

NCT00074503
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 3, 2026, 1:17 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Blood Flow Response and Acute INterval Exercise

NCT04673994
View directory record Official record
Conditions
Stroke, High Intensity Interval Exercise
Interventions
Single, acute bout of high intensity interval exercise
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
91 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Feb 9, 2023 · Synced Oct 3, 2026, 1:17 PM EDT
Completed No phase listed Observational

Brain Function in Response to Motivational Stimuli

NCT00047866
View directory record Official record
Conditions
Drug Dependence
Interventions
Not listed
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 3, 2026, 1:17 PM EDT
Terminated Early Phase 1 Interventional

Transcranial Magnetic Stimulation in Major Depression With EEG and Near Infrared Spectroscopy (NIRS) Monitoring

NCT01192685
View directory record Official record
Conditions
Depression
Interventions
Transcranial Magnetic Stimulation (TMS), near infrared spectroscopy (NIRS)
Procedure · Device
Lead sponsor
Boston University
Other
Eligibility
18 Years to 65 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 20, 2017 · Synced Oct 3, 2026, 1:17 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Non-invasive Measurement of Cerebrovascular Reactivity After Traumatic Brain Injury

NCT02990078
View directory record Official record
Conditions
TBI
Interventions
Sildenafil citrate, Functional Near Infared Spectroscopy, Hypercapnia Challenge
Drug · Device · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 13, 2022 · Synced Oct 3, 2026, 1:17 PM EDT
Recruiting Not applicable Interventional

Transcranial Near Infrared Radiation and Cerebral Blood Flow in Depression - R33

NCT05573074
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Transcranial Photobiomodulator, Sham
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
3
States / cities
Boston, Massachusetts • New York, New York • Orangeburg, New York
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 3, 2026, 1:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Multimodal MRI Characteristics of Psychotherapy Response in Late Life Depression

NCT02440815
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Problem Solving Therapy
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
65 Years and older
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 4, 2021 · Synced Oct 3, 2026, 1:17 PM EDT
Not listed Phase 4 Interventional

Individual Cerebral Hemodynamic Oxygenation Relationships

NCT04435834
View directory record Official record
Conditions
Anesthesia, Anesthesia; Reaction
Interventions
Propofol or Sevoflurane
Drug
Lead sponsor
Matthew Borzage
Other
Eligibility
Up to 1 Year
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 3, 2024 · Synced Oct 3, 2026, 1:17 PM EDT
Recruiting Not applicable Interventional

Comparing Hypothermic Temperatures During Hemiarch Surgery

NCT02860364
View directory record Official record
Conditions
Thoracic Aortic Disease
Interventions
Hypothermic circulatory arrest
Procedure
Lead sponsor
Ottawa Heart Institute Research Corporation
Other
Eligibility
18 Years and older
Enrollment
282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2030
U.S. locations
3
States / cities
Boston, Massachusetts • Ridgewood, New Jersey • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Oct 3, 2026, 1:17 PM EDT
Recruiting Not applicable Interventional

Obstructive Sleep Apnea Therapeutic Intervention for REsiDual Sleepiness

NCT06698809
View directory record Official record
Conditions
Obstructive Sleep Apnea, Sleepiness
Interventions
Active tPBM
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 75 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Oct 3, 2026, 1:17 PM EDT
Recruiting Not applicable Interventional

Endovascular Treatment of TAAA and Aortic Arch Aneurysms Using Fenestrated and Branched Stent Grafts

NCT02323581
View directory record Official record
Conditions
Aortic Aneurysm, Thoracoabdominal, Aortic Aneurysm, Thoracic, Aortic Dissection, Thoracoabdominal
Interventions
Endovascular treatment of Thoracoabdominal Aortic Aneurysm, Endovascular treatment of Aortic Arch Aneurysms
Device
Lead sponsor
Darren Schneider, M.D.
Other
Eligibility
18 Years and older
Enrollment
520 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2033
U.S. locations
2
States / cities
New York, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Oct 3, 2026, 1:17 PM EDT
Terminated Phase 4 Interventional Results available

The Intra-arterial Vasospasm Trial

NCT01996436
View directory record Official record
Conditions
Cerebral Vasospasm
Interventions
Nicardipine, Verapamil, Nicardipine + Verapamil + Nitroglycerin
Drug
Lead sponsor
Peng Roc Chen, MD
Other
Eligibility
18 Years to 80 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
5
States / cities
New Haven, Connecticut • Manhasset, New York • Winston-Salem, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated May 11, 2025 · Synced Oct 3, 2026, 1:17 PM EDT