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ClinicalTrials.gov public records Last synced Sep 29, 2026, 7:14 AM EDT

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Showing 1–24 of 165 matching trials from the live ClinicalTrials.gov search.
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Completed No phase listed Observational Accepts healthy volunteers

Microvascular Function in Patients Undergoing 5-Fluorouracil Chemotherapy

NCT04042298
View directory record Official record
Conditions
Gastrointestinal Cancer, Head and Neck Cancer, Breast Cancer, Chemotherapy Effect, 5-Fluorouracil Toxicity
Interventions
Arterial blood pressure, Skin microcirculatory blood flow, Brachial artery blood flow, Venous blood draw
Other
Lead sponsor
Kansas State University
Other
Eligibility
21 Years and older
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Manhattan, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 1, 2025 · Synced Sep 29, 2026, 7:14 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Early Detection of Vascular Dysfunction Using Biomarkers From Lagrangian Carotid Strain Imaging

NCT04632485
View directory record Official record
Conditions
Healthy, Carotid Artery Diseases
Interventions
Ultrasound imaging, Magnetic Resonance Imaging (MRI), Neurocognitive testing, Transcranial Doppler (TCD), Pulse Wave Doppler
Device · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 89 Years
Enrollment
217 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 1, 2025 · Synced Sep 29, 2026, 7:14 AM EDT
Recruiting No phase listed Observational

Longitudinal Study of Intra-Uterine Growth Restriction

NCT02382601
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Sep 29, 2026, 7:14 AM EDT
Completed Not applicable Interventional Results available

Serial Ultrasound in Metastatic Renal Cell Carcinoma (mRCC)

NCT04508725
View directory record Official record
Conditions
Kidney Cancer, Renal Cell Carcinoma, Metastatic Renal Cell Carcinoma
Interventions
Doppler Ultrasound, SIEMENS S3000 and Verasonics Vantage 256, Standard-of-care Vascular Endothelial Growth Factor Receptor 2 (VEGFR2) tyrosine kinase inhibitor (TKI) plus immune checkpoint inhibitor (ICI), Standard-of-care non-immune checkpoint inhibitor (ICI) such as single-agent VEGFR2 TKI
Diagnostic Test · Device · Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jul 24, 2025 · Synced Sep 29, 2026, 7:14 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Kidney Blood Flow During Exercise in Older African American Adults

NCT07029165
View directory record Official record
Conditions
Healthy
Interventions
Acute exercise, Cold pressor test, Mental stress test
Other
Lead sponsor
University of Massachusetts, Boston
Other
Eligibility
55 Years to 79 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Sep 29, 2026, 7:14 AM EDT
Not yet recruiting Not applicable Interventional

MoDi Twin Placental Imaging

NCT07667647
View directory record Official record
Conditions
Monochorionic Diamniotic Placenta, Monochorial Monoamniotic Placenta, Monochorionic Twins, Ultrasound Doppler, Ultrasound, Pregnancy, Twin Pregnancy, Monochorionic, Twin Twin Transfusion Syndrome
Interventions
Verasonics Vantage 256 Ultrasound
Device
Lead sponsor
Carilion Clinic
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 29, 2026, 7:14 AM EDT
Suspended Not applicable Interventional

Serial Ultrasound of Solid Tumor Lesions to Detect Early Response to Cancer Immunotherapy

NCT05206942
View directory record Official record
Conditions
Solid Tumor
Interventions
Doppler ultrasound, Long Ensemble Angular-coherence Doppler [LEAD] ultrasound, Contrast-enhanced ultrasound (CEUS)
Diagnostic Test
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 29, 2026, 7:14 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Brain Blood Flow: Age and Gender

NCT02840851
View directory record Official record
Conditions
Healthy, Aging
Interventions
MRI, TCD
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
20 Years to 64 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 8, 2019 · Synced Sep 29, 2026, 7:14 AM EDT
Active, not recruiting No phase listed Observational

Cerebral Hemodynamics and Microemboli During Placement of Relay®Branch Thoracic Stent-Graft System

NCT05155956
View directory record Official record
Conditions
Thoracic Aortic Aneurysm, Thoracic Aortic Dissection, Microemboli
Interventions
transcranial Doppler ultrasonography (TCD)
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 29, 2026, 7:14 AM EDT
Completed No phase listed Observational

Study of Left Ventricular Dyssynchrony in Heart Failure Patients

NCT00953953
View directory record Official record
Conditions
Heart Failure
Interventions
Phillips ultrasound system
Device
Lead sponsor
Albert Einstein Healthcare Network
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 25, 2012 · Synced Sep 29, 2026, 7:14 AM EDT
Completed Not applicable Interventional

Physiological Investigations of Movement Disorders

NCT01019343
View directory record Official record
Conditions
Parkinson's Disease, Tourette's Syndrome, Tic Disorders, Dystonia, Movement Disorders
Interventions
Transcranial Direct Current Stimulation (tDCS), Eye-tracking Device, Pulsed vibrator, Gait Trainer Treadmill (GTT), Standard psychiatric scales SCID-I, YBOCS and SCI-OBS-lifetime and cognitive scales MMSE and MOCA, iMobility, QMAT, Treadmill Test, Arm Intellistretch Device, Transcranial Sonography (TCS), Behavioral tasks, TMS single/paired pulse, MEG, EEG, MRI techniques, Peripheral Nerve Stimulation, EMG, Trancutaneous spinal direct current stimulation (tsDCS)
Procedure · Device · Other + 1 more
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
1,273 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Sep 29, 2026, 7:14 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Exercise and Carotid Artery Function in Metabolic Syndrome

NCT07430839
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
exercise, Diagnostics, Inhaled CO2-mixed air
Behavioral · Diagnostic Test · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 40 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Sep 29, 2026, 7:14 AM EDT
Completed Not applicable Interventional

Intraosseous Catheter Confirmation Study

NCT03908879
View directory record Official record
Conditions
Critical Illness
Interventions
Standard intraosseous (IO) catheter confirmation procedure, Color flow Doppler intraosseous (IO) catheter confirmation procedure, Pressure transduction intraosseous (IO) catheter confirmation procedure
Procedure
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 7, 2023 · Synced Sep 29, 2026, 7:14 AM EDT
Completed Phase 4 Interventional Results available

Genicular Nerve Block for Total Knee Arthroplasty

NCT03706313
View directory record Official record
Conditions
Post-operative Pain
Interventions
15mL 0.25% bupivacaine, Genicular nerve block, Saline
Drug · Procedure
Lead sponsor
Duke University
Other
Eligibility
18 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 31, 2021 · Synced Sep 29, 2026, 7:14 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Ultrasound for Rectus Femoris Measurement

NCT04105816
View directory record Official record
Conditions
Muscle Atrophy, Proximal, Muscle Atrophy, ACL Tear, Quadriceps Muscle Atrophy
Interventions
892.1550 Ultrasonic pulsed doppler imaging system, Thigh circumference measurement
Device · Diagnostic Test
Lead sponsor
Robert Westermann
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced Sep 29, 2026, 7:14 AM EDT
Completed No phase listed Observational

Comparing Cardiac Output Measurements in Critically Ill Children Using USCOM and Transthoracic ECHO

NCT01460329
View directory record Official record
Conditions
Critical Illness, Pediatrics
Interventions
Ultrasonic Cardiac Output Monitor (USCOM).
Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
1 Day to 17 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 5, 2013 · Synced Sep 29, 2026, 7:14 AM EDT
Completed Not applicable Interventional Results available

Diagnostic Accuracy of Shear-Wave Elastography for the Preoperative Risk Stratification of Follicular Lesions of the Thyroid

NCT03106337
View directory record Official record
Conditions
Thyroid Nodule, Follicular Neoplasm
Interventions
Shear-Wave Elastography
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 15, 2017 · Synced Sep 29, 2026, 7:14 AM EDT
Terminated Not applicable Interventional Results available

Impact of Transjugular Intrahepatic Portosystemic Shunts on Liver Stiffness

NCT03352882
View directory record Official record
Conditions
Portal Hypertension, Liver Fibroses
Interventions
Ultrasound
Diagnostic Test
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 79 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 30, 2019 · Synced Sep 29, 2026, 7:14 AM EDT
Terminated Not applicable Interventional Results available

The Vascular Biology of Dipyridamole in Peripheral Arterial Disease (PAD)

NCT00906035
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
Dipyridamole 200mg and Aspirin 25mg bid:, Dipyridamole 200 mg bid, Aspirin 25 mg bid
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 79 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2010
U.S. locations
3
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 4, 2017 · Synced Sep 29, 2026, 7:14 AM EDT
Completed Not applicable Interventional Results available

Effect of Emergency Department Bedside Compression Ultrasonography on Door-to-Disposition Time in Patients Suspicious for Lower Extremity Deep Venous Thrombosis

NCT05682040
View directory record Official record
Conditions
Lower Extremity Deep Vein Thrombosis
Interventions
Bedside Compression Ultrasonography
Diagnostic Test
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Wyandotte, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 29, 2026, 7:14 AM EDT
Terminated Phase 3 Interventional Results available

Study to Evaluate the Effect of GBT440 on TCD in Pediatrics With Sickle Cell Disease

NCT04218084
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Voxelotor, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
2 Years to 14 Years
Enrollment
236 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
13
States / cities
Washington D.C., District of Columbia • Miami, Florida • Atlanta, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Sep 29, 2026, 7:14 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Early Pregnancy Evaluation by Three-Dimensional Ultrasound

NCT00342290
View directory record Official record
Conditions
First Trimester Bleeding, Pregnancy
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
15 Years and older · Female only
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2012
U.S. locations
2
States / cities
Detroit, Michigan • Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Sep 29, 2026, 7:14 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Impact of NOS, COX, and ROS Inhibition on Cerebral Blood Flow Regulation

NCT03066115
View directory record Official record
Conditions
Hypoxia, Hypercapnia
Interventions
L-NMMA, Ketorolac, Ascorbic Acid, Intravenous Catheter, Transcranial Doppler Ultrasound
Drug · Procedure
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 45 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 9, 2019 · Synced Sep 29, 2026, 7:14 AM EDT
Recruiting No phase listed Observational

Comparative Imaging Assessment of Valvular Heart Disease

NCT04126018
View directory record Official record
Conditions
Valve Heart Disease, Aortic Stenosis, Aortic Regurgitation
Interventions
MRI with strain measurement, Echocardiography
Diagnostic Test
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Sep 29, 2026, 7:14 AM EDT