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ClinicalTrials.gov public records Last synced Oct 18, 2026, 4:27 AM EDT

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Showing 1–24 of 923 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Blood Flow Clear all
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 18, 2026, 4:27 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Blood Brain Flow and Exercise

NCT02653638
View directory record Official record
Conditions
Cerebrovascular Circulation
Interventions
Control, Indomethacin
Other · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 75 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 18, 2019 · Synced Oct 18, 2026, 4:27 AM EDT
Completed Phase 1 Interventional

Evaluation of the Effect of the Flowaid Device in Increasing Local Circulation in the Leg

NCT00538226
View directory record Official record
Conditions
Peripheral Vascular Disease
Interventions
External Electric Muscle Stimulation
Device
Lead sponsor
Rosenblum, Jonathan I., DPM
Individual
Eligibility
18 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 18, 2026, 4:27 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Transcranial Doppler Using Wearable Ultrasound Patch

NCT06073145
View directory record Official record
Conditions
Medical Device Complication, Brain Injuries, Brain Diseases, Stroke, Vasospasm
Interventions
conventional transcranial Doppler probe and wearable ultrasound patch.
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 10, 2024 · Synced Oct 18, 2026, 4:27 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Brain Blood Flow Studies of Language and Memory

NCT00001288
View directory record Official record
Conditions
Cerebrovascular Disorder, Epilepsy
Interventions
15 O Water, FDG
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
303 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1991 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 18, 2026, 4:27 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Utility and Usability of ActivSight™ Laser Speckle Imaging in Visualization of Tissue Perfusion and Blood Flow During Esophageal Surgery in Humans

NCT05591053
View directory record Official record
Conditions
Esophagus Cancer, Esophageal Cancer, Esophageal Neoplasms, Esophageal Diseases, Esophageal Adenocarcinoma, Esophageal Squamous Cell Carcinoma, Esophagus SCC, Esophagus Tumor, Esophagus Adenocarcinoma, Esophagus Neoplasm
Interventions
ActivSight
Device
Lead sponsor
Activ Surgical
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 21, 2024 · Synced Oct 18, 2026, 4:27 AM EDT
Completed No phase listed Observational

NIRS Predict Low Cardiac Output State in Neonates and Infants in Cardiac Surgery

NCT01849120
View directory record Official record
Conditions
Congenital Heart Disease
Interventions
EQUANOX Advance 8004CB sensor
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
Up to 3 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 14, 2017 · Synced Oct 18, 2026, 4:27 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Handgrip Training and Brain Blood Flow Regulation

NCT07223645
View directory record Official record
Conditions
Inactivity/Low Levels of Exercise
Interventions
Handgrip Training
Device
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 35 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 18, 2026, 4:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Nitrate and Physiological Aging

NCT02593305
View directory record Official record
Conditions
Aging
Interventions
Super Beets, Super Beets Placebo
Dietary Supplement
Lead sponsor
Darren P Casey
Other
Eligibility
18 Years to 85 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Oct 14, 2019 · Synced Oct 18, 2026, 4:27 AM EDT
Enrolling by invitation No phase listed Observational

Serial PET MPI in Patients Undergoing Cancer Treatment

NCT05913999
View directory record Official record
Conditions
Cancer, Chemotherapeutic Toxicity, Coronary Artery Disease, Coronary Microvascular Disease
Interventions
Not listed
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Oct 18, 2026, 4:27 AM EDT
Not yet recruiting No phase listed Observational Accepts healthy volunteers

Collecting Data on Retinal Blood Blood Flow and Blood Vessel Shape/Appearance Using an Investigational Device, XyCAM CRE, and to Then Compare Those Images With Images Collected From a Patient's Routine Clinical Examination.

NCT07641738
View directory record Official record
Conditions
Microvascular Disease, Retinal Disease
Interventions
XyCAM CRE Imaging
Device
Lead sponsor
Stuart Terry Eye Associates
Other
Eligibility
21 Years to 100 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 18, 2026, 4:27 AM 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 18, 2026, 4:27 AM EDT
Active, not recruiting No phase listed Observational

Next Generation Pathogen Sequencing for Prediction of Adverse Events

NCT03226158
View directory record Official record
Conditions
Bloodstream Infection
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Up to 24 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 18, 2026, 4:27 AM EDT
Completed Phase 2 Interventional Results available

Nitric Oxide Inhalation to Treat Sickle Cell Pain Crises

NCT00094887
View directory record Official record
Conditions
Anemia, Sickle Cell
Interventions
Nitric Oxide, Placebo
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
10 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
11
States / cities
Birmingham, Alabama • Oakland, California • Aurora, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2020 · Synced Oct 18, 2026, 4:27 AM EDT
Active, not recruiting No phase listed Observational

Eye Pressure Lowering Surgery

NCT01931904
View directory record Official record
Conditions
Glaucoma
Interventions
Not listed
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 85 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2031
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 18, 2026, 4:27 AM EDT
Completed Phase 1Phase 2 Interventional

Cooling Lower Leg Skin to Prevent Venous Leg Ulcers in Patients With Poor Vein Circulation

NCT01509599
View directory record Official record
Conditions
Venous Disease, Venous Vascular Diseases and Syndromes, Venous Insufficiency, Venous Ulcers
Interventions
Cryotherapy: Cooling gel wrap, Usual care
Procedure
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
197 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
Charleston, South Carolina • Spartanburg, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 5, 2016 · Synced Oct 18, 2026, 4:27 AM EDT
Withdrawn Not applicable Interventional

The Effect of Low-Intensity Blood Flow Restriction Therapy on the Management of Acute Ankle Sprains

NCT05596162
View directory record Official record
Conditions
Ankle Sprain 1St Degree, Ankle Sprain 2Nd Degree, Musculoskeletal Injury
Interventions
Blood Flow Restriction Therapy, Standard Physical Therapy
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Oct 18, 2026, 4:27 AM EDT
Terminated Not applicable Interventional

Arterial Spin Labeling Blood Flow Magnetic Resonance Imaging for the Evaluation of Response to Therapy in Metastatic Renal Cell Carcinoma

NCT00953446
View directory record Official record
Conditions
Renal Cell Carcinoma
Interventions
Arterial Spin Labeling Blood Flow Magnetic Resonance Imaging
Procedure
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 30, 2020 · Synced Oct 18, 2026, 4:27 AM EDT
Completed Not applicable Interventional Results available

Efficacy of Ambrisentan in Limited Scleroderma Patients in Improving Blood Flow to Hands or Feet

NCT01072669
View directory record Official record
Conditions
Ischemia
Interventions
ambrisentan
Drug
Lead sponsor
Soumya Chatterjee
Other
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 3, 2013 · Synced Oct 18, 2026, 4:27 AM EDT
Completed Not applicable Interventional

EEG Biofeedback to Improve Memory in Adults With Dementia

NCT01168466
View directory record Official record
Conditions
Dementia
Interventions
QEEG-based Neurofeedback Training
Behavioral
Lead sponsor
Quietmind Foundation
Other
Eligibility
45 Years to 85 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Lafayette Hill, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 2, 2018 · Synced Oct 18, 2026, 4:27 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Cardiovascular and Neurovascular Regulation in GWI

NCT04586049
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Oct 18, 2026, 4:27 AM EDT
Completed Not applicable Interventional Results available

Impacts of Mitochondrial-targeted Antioxidant on Peripheral Artery Disease Patients

NCT03506633
View directory record Official record
Conditions
Peripheral Arterial Disease, Peripheral Artery Disease
Interventions
MitoQ
Dietary Supplement
Lead sponsor
University of Nebraska
Other
Eligibility
50 Years to 85 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Apr 1, 2025 · Synced Oct 18, 2026, 4:27 AM EDT
Completed Not applicable Interventional

Low-Intensity Blood Flow Restriction Training as a Pre-Operative Rehabilitative Modality to Improve Post-Operative Outcomes for ACL Reconstruction

NCT04302558
View directory record Official record
Conditions
ACL Injury
Interventions
Exercise Blood Flow Restriction training, SHAM Exercise Blood Flow Restriction training
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
13 Years to 40 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 3, 2023 · Synced Oct 18, 2026, 4:27 AM EDT
Completed No phase listed Observational

Exploratory Assessment of the Quantra® System in Adult ECMO Patients

NCT05426564
View directory record Official record
Conditions
Blood Loss, Thrombosis, Extracorporeal Circulation; Complications
Interventions
Quantra System
Diagnostic Test
Lead sponsor
HemoSonics LLC
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Jun 15, 2023 · Synced Oct 18, 2026, 4:27 AM EDT