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ClinicalTrials.gov public records Last synced Sep 7, 2026, 1:42 PM EDT

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Showing 1–24 of 164 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Ultrasound Doppler Clear all
Not yet recruiting Not applicable Interventional

Endoscopic Shunts Embolization for Refractory Hepatic Encephalopathy

NCT07553858
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Sep 7, 2026, 1:42 PM EDT
Recruiting No phase listed Observational

Brain Blood Flow and Cerebral Autoregulation Monitoring in Critically Ill Children

NCT07613918
View directory record Official record
Conditions
Critical Illness, Pediatric Critical Illness, Respiratory Failure, Traumatic Brain Injury, Cardiac Arrest
Interventions
Transcranial Doppler
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
1 Day to 17 Years
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 7, 2026, 1:42 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 23, 2024 · Synced Sep 7, 2026, 1:42 PM 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 7, 2026, 1:42 PM EDT
Not yet recruiting Not applicable Interventional

Importance of Point-of-Care Ultrasound for Early Detection of Valvular and Cardiac Diseases (IMPROVE)

NCT07756398
View directory record Official record
Conditions
Valvular Heart Disease Patients, Aortic Stenosis, Mitral Regurgitation, Left Ventricular Diastolic Dysfunction
Interventions
Kosmos Torso-One AI-guided Point-of-Care Ultrasound (EchoNous, Inc.)
Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
65 Years to 85 Years
Enrollment
1,088 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 7, 2026, 1:42 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Detection and Characterization of Pulmonary Disease by Transthoracic Doppler (TTD)

NCT01618721
View directory record Official record
Conditions
Lung Disease, Chronic Obstructive, Lung Disease, Interstitial
Interventions
Not listed
Lead sponsor
Echosense Ltd.
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 23, 2014 · Synced Sep 7, 2026, 1:42 PM EDT
Terminated Not applicable Interventional

Embolic Events Detected During Total Knee Arthroplasty With the Use of RIA (Reamer-Irrigator-Aspirator)

NCT00815958
View directory record Official record
Conditions
Total Knee Replacement
Interventions
Reaming with Synthes RIA (Reamer-Irrigator-Aspirator), Reaming with conventional reamer
Procedure
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 23, 2017 · Synced Sep 7, 2026, 1:42 PM EDT
Withdrawn No phase listed Observational

Validation of Venous Cannulae Flow Ratings

NCT00906906
View directory record Official record
Conditions
Cardiopulmonary Bypass
Interventions
Doppler probes
Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
Up to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 23, 2025 · Synced Sep 7, 2026, 1:42 PM EDT
Terminated Phase 1 Interventional

Elastographic Imaging of Renal Transplants

NCT00935727
View directory record Official record
Conditions
Renal Transplant
Interventions
Elastographic imaging
Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 8, 2009 · Synced Sep 7, 2026, 1:42 PM EDT
Recruiting Not applicable Interventional

Efficacy of OneMark Device in Identifying Breast Cancer for Surgery and Surveillance

NCT07087691
View directory record Official record
Conditions
Breast Cancer
Interventions
OneMark device
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Sep 7, 2026, 1:42 PM EDT
Terminated Phase 3 Interventional

Right to Left Cardiac Shunt Detection

NCT01773252
View directory record Official record
Conditions
Right to Left Shunt, Patent Foramen Ovale, Atrial Septal Defect
Interventions
Flow Detection System
Device
Lead sponsor
Cardiox Corporation
Industry
Eligibility
18 Years and older
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
8
States / cities
Phoenix, Arizona • Los Angeles, California • Aurora, Colorado + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2015 · Synced Sep 7, 2026, 1:42 PM EDT
Completed No phase listed Observational Results available

Sex and Obesity: Effects on Heart Failure Study

NCT00776035
View directory record Official record
Conditions
Obesity, Heart Failure
Interventions
PET (Positron Emission Tomography), Echocardiogram, ^15O-water, 1-^11C-palmitate, 1-^11C-glucose
Procedure · Radiation
Lead sponsor
Washington University School of Medicine
Other
Eligibility
20 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2011
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 2, 2024 · Synced Sep 7, 2026, 1:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Translational Research Examining Acupuncture Treatment in Traumatic Brain Injury

NCT02623218
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Acupuncture, Sham Acupuncture
Device
Lead sponsor
AOMA Graduate School of Integrative Medicine
Other
Eligibility
18 Years to 50 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 27, 2020 · Synced Sep 7, 2026, 1:42 PM 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 7, 2026, 1:42 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Evaluation of Implementation of a National Point-of-Care Ultrasound Training Program

NCT03296280
View directory record Official record
Conditions
Other Acute Illnesses Presenting to the Hospital, Heart Failure, Pneumonia, Deep Venous Thrombosis, Cellulitis, Abdominal Aortic Aneurysm, Acute Cholecystitis, Peritoneal Free Fluid, Hydronephrosis, Pleural Effusion, Urinary Retention
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Nov 22, 2020 · Synced Sep 7, 2026, 1:42 PM EDT
Completed No phase listed Observational

Studying Fetal Breathing Patterns

NCT00066976
View directory record Official record
Conditions
Pregnancy
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
2
States / cities
San Diego, California • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 7, 2026, 1:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

3-D Transcranial Ultrasound Analysis Study

NCT00239525
View directory record Official record
Conditions
Cerebrovascular Accident, Intracranial Hypertension
Interventions
3-D ultrasound scanner, Perflutren Protein-Type A Microspheres for injection
Device · Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2013
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 10, 2014 · Synced Sep 7, 2026, 1:42 PM EDT
Terminated Phase 3 Interventional

Rivaroxaban Post-Transradial Access for the Prevention of Radial Artery Occlusion

NCT03630055
View directory record Official record
Conditions
Radial Artery Occlusion
Interventions
Rivaroxaban 15 MG Oral Tablet [Xarelto]
Drug
Lead sponsor
Ottawa Heart Institute Research Corporation
Other
Eligibility
18 Years and older
Enrollment
930 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 7, 2026, 1:42 PM EDT
Not yet recruiting No phase listed Observational

Transcranial Doppler Evaluation After Endovascular Thrombectomy for Acute Ischemic Stroke (PRECISE-TCD)

NCT07013396
View directory record Official record
Conditions
Anterior Cerebral Artery Syndrome, Anterior Cerebral Artery Stroke, Acute Ischemic Stroke, Cardioembolic Stroke, Vasogenic Cerebral Edema
Interventions
Transcranial Doppler (TCD) examination
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 7, 2026, 1:42 PM EDT
Completed Phase 3 Interventional Results available

SonoVue®-Enhanced Ultrasound Versus Unenhanced US for Focal Liver Lesion Characterization

NCT00788697
View directory record Official record
Conditions
Liver Neoplasms
Interventions
SonoVue-enhanced ultrasound, Unenhanced ultrasound
Drug · Other
Lead sponsor
Bracco Diagnostics, Inc
Industry
Eligibility
18 Years and older
Enrollment
349 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Princeton, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 11, 2017 · Synced Sep 7, 2026, 1:42 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Characterization of the Pudendal Nerve with Transvaginal Ultrasonography

NCT06021782
View directory record Official record
Conditions
Anesthesia
Interventions
All subjects-Observation
Other
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Sep 7, 2026, 1:42 PM EDT
Terminated Phase 1Phase 2 Interventional

Transcranial Ultrasound in Clinical SONothrombolysis

NCT00504842
View directory record Official record
Conditions
Acute Ischemic Stroke
Interventions
MRX-801, Placebo
Drug
Lead sponsor
ImaRx Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
13
States / cities
Birmingham, Alabama • Phoenix, Arizona • Newport Beach, California + 9 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2008 · Synced Sep 7, 2026, 1:42 PM EDT
Not yet recruiting No phase listed Observational

Pulse Detection in Cardiac Arrest Patients Using a Doppler Ultrasound Patch on the Carotid Artery

NCT07729228
View directory record Official record
Conditions
Cardiac Arrest (CA), Return of Spontaneous Circulation, CPR Quality Assessment
Interventions
Ultrasound doppler perfusion monitoring
Device
Lead sponsor
Heartstream US LLC
Industry
Eligibility
18 Years to 99 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Jul 26, 2026 · Synced Sep 7, 2026, 1:42 PM 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 7, 2026, 1:42 PM EDT