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ClinicalTrials.gov public records Last synced Sep 7, 2026, 5:22 AM EDT

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Showing 1–24 of 35 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Doppler-echocardiography Clear all
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, 5:22 AM EDT
Recruiting Not applicable Interventional

Valve Hemodynamic Optimization Based on Doppler-Echocardiography vs Catheterization Measurements Following ViV TAVR

NCT05459233
View directory record Official record
Conditions
Aortic Valve Stenosis, Aortic Valve Regurgitation, Prosthesis Failure
Interventions
Doppler-echocardiography, Invasive hemodynamic measurements
Procedure
Lead sponsor
Institut universitaire de cardiologie et de pneumologie de Québec, University Laval
Other
Eligibility
18 Years and older
Enrollment
310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
6
States / cities
San Francisco, California • Hollywood, Florida • Royal Oak, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Sep 7, 2026, 5:22 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 7, 2026, 5:22 AM 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, 5:22 AM EDT
Completed Not applicable Interventional

Reduction of Radiation Dose and Contrast Use During Cryoballoon Pulmonary Vein Isolation

NCT03786822
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Cryoballoon Pulmonary Vein Isolation - PVI
Procedure
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 25, 2018 · Synced Sep 7, 2026, 5:22 AM 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, 5:22 AM 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, 5:22 AM 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, 5:22 AM 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, 5:22 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Myocardial Performance at Rest and During Exercise in Heart Failure With Preserved Ejection Fraction

NCT01747785
View directory record Official record
Conditions
Heart Failure
Interventions
Cardiac rehabilitation, Myocardial deformation imaging, Cardiopulmonary exercise test
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
La Crosse, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 16, 2016 · Synced Sep 7, 2026, 5:22 AM EDT
Completed No phase listed Observational

Early Markers of Radiation-Induced Cardiac Injury in Hodgkin Lymphoma Treated With Radiation Therapy

NCT02404818
View directory record Official record
Conditions
Hodgkin's Lymphoma
Interventions
Cardiac Magnetic Resonance Imaging, Echocardiogram
Procedure
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 9, 2022 · Synced Sep 7, 2026, 5:22 AM EDT
Terminated No phase listed Observational

BRAIN-HEART Ultrasound Study Normative Values for Transcranial Doppler Based Cerebral Blood Flow Assessment

NCT05924503
View directory record Official record
Conditions
Mechanical Circulatory Support
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Sep 7, 2026, 5:22 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Follow Up on Freestyle Valves in Children

NCT00385112
View directory record Official record
Conditions
Right Ventricle, Pulmonary Valve Stenosis, Pulmonary Valve Atresia
Interventions
Echocardiogram
Procedure
Lead sponsor
Emory University
Other
Eligibility
8 Years to 40 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2016
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 25, 2017 · Synced Sep 7, 2026, 5:22 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 7, 2026, 5:22 AM EDT
Terminated No phase listed Observational

Cardiomyopathy in Steroid-resistant Nephrotic Syndrome: Impact of Focal Segmental Glomerulosclerosis

NCT00883636
View directory record Official record
Conditions
Focal Segmental Glomerulosclerosis, Nephrotic Syndrome, Steroid Resistant Nephrotic Syndrome, Chronic Kidney Disease
Interventions
Cardiovascular Assessment, Renal Assessment, Genetic Evaluation
Other
Lead sponsor
Northwell Health
Other
Eligibility
6 Months to 21 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Jun 18, 2013 · Synced Sep 7, 2026, 5:22 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 7, 2026, 5:22 AM EDT
Completed No phase listed Observational

Early Detection and Prediction of Chemotherapy Induced Cardiac Toxicity in Breast Cancer Patients

NCT00806507
View directory record Official record
Conditions
Breast Cancer
Interventions
Echocardiograms, Blood Test
Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
2
States / cities
Boston, Massachusetts • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 22, 2012 · Synced Sep 7, 2026, 5:22 AM EDT
Recruiting No phase listed Observational

Pulmonary Hypertension in Left Heart Disease

NCT05935605
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Sep 7, 2026, 5:22 AM EDT
Completed No phase listed Observational

Prospective Minnesota Study of ECHO Tissue Doppler Imaging in Cardiac Resynchronization Therapy

NCT00158015
View directory record Official record
Conditions
Heart Failure
Interventions
Not listed
Lead sponsor
Hennepin Healthcare Research Institute
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
7
States / cities
Coon Rapids, Minnesota • Edina, Minnesota • Minneapolis, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 3, 2012 · Synced Sep 7, 2026, 5:22 AM EDT
Completed No phase listed Observational

Color Doppler and Peripheral Venous Catheters

NCT03889678
View directory record Official record
Conditions
Extravasation, Vein Injury
Interventions
Color flow doppler
Diagnostic Test
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 18, 2019 · Synced Sep 7, 2026, 5:22 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Radiofrequency-based Speckle Tracking Echocardiography to Evaluate Diastolic Function

NCT01182805
View directory record Official record
Conditions
Heart Failure, Diastolic
Interventions
Echocardiography system Ultra DCI Model 5000, Echocardiography machine GE Vivid E9, Diastolic function assessment
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 15, 2023 · Synced Sep 7, 2026, 5:22 AM 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 Feb 28, 2018 · Synced Sep 7, 2026, 5:22 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biomarkers in Aortic Stenosis - B.A.S.S.

NCT01334801
View directory record Official record
Conditions
Aortic Stenosis, Disorder of Prosthetic Cardiac Valve, Aortic Valve Insufficiency, Mitral Valve Insufficiency, Hypertrophic Cardiomyopathy, Tricuspid Valve Insufficiency
Interventions
Blood Draw
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
21 Years and older
Enrollment
378 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2020
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 4, 2022 · Synced Sep 7, 2026, 5:22 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Fetal and Neonatal Magnetophysiology

NCT01903564
View directory record Official record
Conditions
Fetal Arrhythmia, Abnormality in Fetal Heart Rate or Rhythm, Long QT Syndrome
Interventions
magnetocardiography, postnatal ECG, fetal echocardiography
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 28, 2019 · Synced Sep 7, 2026, 5:22 AM EDT