Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 7, 2026, 10:46 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 145–168 of 206 matching trials from the live ClinicalTrials.gov search.
Conditions
Twin to Twin Transfusion as Antepartum Condition, Monochorionic Diamniotic Placenta
Interventions
Fetoscopic laser ablation
Procedure
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
Female only
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2031
U.S. locations
2
States / cities
Seattle, Washington
Conditions
Pulmonary Hypertension, Pulmonary Vascular Disease, Left Heart Disease
Interventions
Transthoracic Echocardiography (TTE), Lung ultrasound
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Carotid Artery Plaque
Interventions
Contrast-enhanced ultrasound, Shear Wave Elastography, Ultrasound Examination
Combination Product · Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Clinical Procedures Which Require Vessel Cannulations in Pediatric Patients
Interventions
SCENERGY
Device
Lead sponsor
Clear Guide Medical
Industry
Eligibility
1 Month to 17 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Recruiting No phase listed Observational Accepts healthy volunteers

Vascular Function in Adults With Down Syndrome

NCT07630207
Conditions
Down Syndrome (Trisomy 21)
Interventions
Not listed
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years to 35 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Las Vegas, Nevada
Completed Not applicable Interventional

Ultrasound IV Study

NCT01100593
Conditions
IV Access, Ultrasound Use
Interventions
length of IV catheter
Procedure
Lead sponsor
Christiana Care Health Services
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Newark, Delaware
Completed No phase listed Observational Results available

Predicting Placental Pathologies by Ultrasound Imaging

NCT04506970
Conditions
Intrauterine Growth Restriction, Villitis, IUGR
Interventions
Comprehensive Doppler Ultrasound of the Placenta, Verasonics Ultrasound scanner (ultra-sensitive Doppler imaging)
Diagnostic Test · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Breast Cancer, Breast Abnormalities
Interventions
Ultrasound Imaging with Contrast
Procedure
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2010
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Sacroiliitis
Interventions
Active comparator: Fluoroscopic Guided SIJ injection, Ultrasound Guided Sacroiliac Joint Injection, Havel's Inc. EchoStim (facet tip) 21 Gauge 4" needle, SonoSite S-nerve, iohexol, triamcinolone/lidocaine
Procedure · Device · Drug
Lead sponsor
United States Naval Medical Center, San Diego
Federal
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
San Diego, California
Conditions
Cardiovascular Diseases, Retina; Change
Interventions
Swept Source Optical Coherence Tomography Angiography
Diagnostic Test
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 95 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Portal Hypertension, Liver Disease
Interventions
Volumetric Flow in TIPS
Procedure
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Cardiac Allograft Vasculopathy
Interventions
Perflutren Lipid Microsphere, RTMPE
Drug · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
1 Year and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Coronary Atherosclerosis, Endothelial Dysfunction
Interventions
Blood sampling from the Coronary Sinus and Aorta, Intravascular Ultrasound of the coronary artery.
Other · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 85 Years
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Compartment Syndromes
Interventions
Near infrared spectroscopy (NIRS)
Diagnostic Test
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Signs and Symptoms
Interventions
Acoustic Angiography
Device
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Chapel Hill, North Carolina
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
Conditions
Hepatic Encephalopathy, Liver Cirrhosis, Portal Shunt Systemic
Interventions
Endoscopic ultrasound-guided transgastric embolization of the spontaneous portosystemic shunts, Interventional Radiology for shunt embolization/retrograde tranvenous obliteration
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
2026 – 2028
U.S. locations
1
States / cities
Newark, New Jersey
Conditions
Intrauterine Growth Retardation
Interventions
selective laser photocoagulation of communicating vessels, Expected Management
Procedure · Device
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
2
States / cities
Los Angeles, California • Tampa, Florida
Conditions
Ovarian Cancer
Interventions
Definity, medical chart review
Drug · Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
21 Years and older · Female only
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
3
States / cities
Nashville, Tennessee
Conditions
Phantom Limb Pain, Chronic Pain, Prevention
Interventions
Sciatic name block
Procedure
Lead sponsor
Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Pancreatic Tumors
Interventions
Definity Contrast
Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Burlington, Vermont
Completed No phase listed Observational Accepts healthy volunteers

Ventricular-Vascular Coupling in Heart Failure

NCT00207220
Conditions
Heart Failure With Preserved Ejection Fraction
Interventions
arterial tonometry, echocardiography
Procedure
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Terminated Phase 1 Interventional Accepts healthy volunteers

Peripheral Vasodilation in Obese Humans

NCT02833207
Conditions
Obesity
Interventions
Drug Trial 1 (EDD), Drug Trial 2 (ROV)
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 40 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2021
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Multiple Sclerosis, Healthy
Interventions
thoracic duct cannulation
Procedure
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania