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ClinicalTrials.gov public records Last synced Sep 7, 2026, 4:41 PM EDT

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Showing 1–24 of 283 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: 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, 4:41 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, 4:41 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, 4:41 PM EDT
Not listed Not applicable Interventional

Long Time Interval Analysis for Non Invasive Measurement of Cardiac Output

NCT02473588
View directory record Official record
Conditions
Hypotension
Interventions
Retia Medical Long Time Interval Analysis
Device
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 15, 2015 · Synced Sep 7, 2026, 4:41 PM 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, 4:41 PM EDT
Completed Phase 4 Interventional

Skin Blood Flow Changes Using Laser Doppler Imager for Assessment of Pain and Analgesia in Newborn Infants

NCT00694174
View directory record Official record
Conditions
Procedural Pain
Interventions
sucrose 24% oral solution, sterile water
Drug
Lead sponsor
Children's Hospital of Michigan
Other
Eligibility
1 Day to 7 Days
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 9, 2008 · Synced Sep 7, 2026, 4:41 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Validation of a Novel Oscillometric-Based Algorithm for Determination of the Ankle-Brachial Index

NCT01165437
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
Blood Pressure Measurement
Device
Lead sponsor
Summit Doppler Systems, Inc.
Industry
Eligibility
50 Years and older
Enrollment
161 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 23, 2011 · Synced Sep 7, 2026, 4:41 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, 4:41 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, 4:41 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, 4:41 PM EDT
Withdrawn Phase 1 Interventional

Polymem vs. Bacitracin/Xeroform in Treating Burn Wounds

NCT00479193
View directory record Official record
Conditions
Burns
Interventions
bacitracin/xeroform, Polymem
Drug
Lead sponsor
MetroHealth Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 10, 2017 · Synced Sep 7, 2026, 4:41 PM EDT
Completed No phase listed Observational

Atrioventricular Valve Regurgitation Vena Contracta; Echo Versus MRI

NCT01504880
View directory record Official record
Conditions
Tricuspid Valve Regurgitation, Non-rheumatic, Mitral Valve Regurgitation
Interventions
Not listed
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
Not listed
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2019
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 5, 2020 · Synced Sep 7, 2026, 4:41 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Micro-Doppler Radar: A Gold Standard Comparison

NCT05521126
View directory record Official record
Conditions
Musculoskeletal Injury, Anterior Cruciate Ligament Injuries
Interventions
Not listed
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 40 Years
Enrollment
181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
2
States / cities
Annville, Pennsylvania • Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 7, 2026, 4:41 PM 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, 4:41 PM EDT
Completed No phase listed Observational

Study of the Effect of Inhaled Anesthetics on Diastolic Heart Function Using a Doppler-derived Efficiency Index

NCT00907439
View directory record Official record
Conditions
Diastolic Dysfunction, Coronary Artery Disease, General Anesthesia
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 4, 2010 · Synced Sep 7, 2026, 4:41 PM EDT
Completed No phase listed Observational

Systolic Blood Pressure Measurement in Critically-ill Patients

NCT02366507
View directory record Official record
Conditions
Hypotension, Shock
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 27, 2022 · Synced Sep 7, 2026, 4:41 PM EDT
Completed Not applicable Interventional Results available

Near-Infrared Spectroscopy for Pediatric Acute Scrotum and Testicular Torsion

NCT01812109
View directory record Official record
Conditions
Acute Scrotum, Testicular Torsion
Interventions
Hutchison Technologies Inspectra StO2 SpotCheck Near-Infrared Spectroscopy
Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
1 Month to 21 Years · Male only
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 23, 2024 · Synced Sep 7, 2026, 4:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

IR and Microvascular Blood Flow in SCI

NCT02034331
View directory record Official record
Conditions
Spinal Cord Injury, Insulin Resistance
Interventions
Insulin iontophoresis, Placebo Iontophoresis, Acetylcholine Iontophoresis, Heat application
Drug · Other
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
20 Years to 69 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Mar 6, 2017 · Synced Sep 7, 2026, 4:41 PM EDT
Completed No phase listed Observational

Changes in Doppler Signals From the Lung Due to Cardiac Resynchronization in Heart Failure Patients

NCT02179203
View directory record Official record
Conditions
Change in LDS Signals Due to Cardiac Synchronization Therapy
Interventions
Not listed
Lead sponsor
Echosense Ltd.
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 12, 2015 · Synced Sep 7, 2026, 4:41 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, 4:41 PM EDT
Completed No phase listed Observational

Heart Failure and a Preserved Ejection Fraction

NCT00586833
View directory record Official record
Conditions
Heart Failure
Interventions
O2 consumption max bike test
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 13, 2010 · Synced Sep 7, 2026, 4:41 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, 4:41 PM EDT
Completed Not applicable Interventional Results available

REFORM Clinical Study: Treatment of Renal Artery Stenosis With the Formula Balloon-Expandable Stent

NCT00631540
View directory record Official record
Conditions
Renal Artery Stenosis
Interventions
Formula Balloon-Expandable Stent
Device
Lead sponsor
Cook Group Incorporated
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
7
States / cities
Ocala, Florida • Orlando, Florida • New York, New York + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 15, 2013 · Synced Sep 7, 2026, 4:41 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, 4:41 PM EDT