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Showing 1–24 of 55 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Ultrasound Doppler Clear all
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 5, 2026, 12:14 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 5, 2026, 12:14 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 5, 2026, 12:14 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 5, 2026, 12:14 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 5, 2026, 12:14 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 5, 2026, 12:14 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 5, 2026, 12:14 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 5, 2026, 12:14 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 5, 2026, 12:14 PM EDT
Recruiting Not applicable Interventional

Placental Imaging Techniques

NCT06861309
View directory record Official record
Conditions
Fetal Growth Restriction (FGR), Placental Insufficiency, Preeclampsia, Still Births, Pregnancy, Pregnancy Complications, Pregnancy Outcomes, Ultrasound
Interventions
ultrafast power Doppler imaging (uPDI) / quantitative ultrasound (QUS)
Device
Lead sponsor
Carilion Clinic
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 5, 2026, 12:14 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Peripheral Vasodilation in Obese Humans

NCT02833207
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 10, 2022 · Synced Sep 5, 2026, 12:14 PM 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 5, 2026, 12:14 PM EDT
Completed No phase listed Observational

Effects of Raloxifene on the Uterus and Ovaries of Premenopausal Patients

NCT00001837
View directory record Official record
Conditions
Breast Cancer, Breast Neoplasm
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 5, 2026, 12:14 PM EDT
Completed Not applicable Interventional

Sham-Controlled Prospective Study Characterizing Erectile Tissue Ultrasound Changes Resulting From Penile LiSWT

NCT06600893
View directory record Official record
Conditions
Erectile Dysfunctions
Interventions
Low intensity shockwave therapy (LiSWT), Sham
Device
Lead sponsor
San Diego Sexual Medicine
Other
Eligibility
21 Years to 80 Years · Male only
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 5, 2026, 12:14 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Transcranial Doppler Using Wearable Ultrasound Patch

NCT06073145
View directory record Official record
Conditions
Medical Device Complication, Brain Injuries, Brain Diseases, Stroke, Vasospasm
Interventions
conventional transcranial Doppler probe and wearable ultrasound patch.
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 9, 2024 · Synced Sep 5, 2026, 12:14 PM 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 5, 2026, 12:14 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Manual and Expressed Placental Removal at Cesarean Delivery and Its Effects on Various Cardiac Indices

NCT00711451
View directory record Official record
Conditions
Pregnancy, Cesarean Delivery
Interventions
Manual removal, Expressed removal
Behavioral · Procedure
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 15, 2012 · Synced Sep 5, 2026, 12:14 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Study of Arixtra (Fondaparinux Sodium) to Prevent Blood Clots in Women Undergoing Abdominopelvic Surgery for Likely Gynecologic Malignancy

NCT00539942
View directory record Official record
Conditions
Venous Thrombosis
Interventions
Arixtra (fondaparinux sodium), Intermittent compression devices (ICD)
Drug · Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 85 Years · Female only
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 26, 2017 · Synced Sep 5, 2026, 12:14 PM EDT
Completed No phase listed Observational

Mapping the Natural History of Parenychymal and Cerebral Perfusion Changes in Acute Ischemic and Hemorrhagic Strokes

NCT05865795
View directory record Official record
Conditions
Acute Ischemic Stroke, Hemorrhagic Stroke
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 1, 2025 · Synced Sep 5, 2026, 12:14 PM 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 5, 2026, 12:14 PM EDT
Completed Not applicable Interventional

Ultrasound Instrument to Prevent Dialysis Graft Failure

NCT00309348
View directory record Official record
Conditions
Hemodialysis
Interventions
Weekly measurement of graft flow
Other
Lead sponsor
DVX, LLC
Industry
Eligibility
18 Years and older
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
2
States / cities
Jackson Heights, New York • Jamaica, New York
Source: ClinicalTrials.gov public record
Updated Sep 26, 2017 · Synced Sep 5, 2026, 12:14 PM EDT
Completed No phase listed Observational

Regulation of Cerebral Blood Flow in Very Low Birth Weight Infants

NCT00579943
View directory record Official record
Conditions
Infant, Very Low Birth Weight, Infant, Premature, Diseases, Cerebral Hemorrhage
Interventions
Not listed
Lead sponsor
University of Arkansas
Other
Eligibility
1 Hour to 7 Days
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jun 3, 2008 · Synced Sep 5, 2026, 12:14 PM EDT
Completed No phase listed Observational

Color Doppler Ultrasound to Locate Needle in Labor Epidural

NCT03596333
View directory record Official record
Conditions
Labor Pain, Obstetric Pain
Interventions
Retrospective chart review
Other
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older · Female only
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 22, 2018 · Synced Sep 5, 2026, 12:14 PM EDT
Completed No phase listed Observational

NOninVasive Intracranial prEssure From Transcranial doppLer Ultrasound Development of a Comprehensive Database of Multimodality Monitoring Signals for Brain-Injured Patients

NCT04548596
View directory record Official record
Conditions
Traumatic Brain Injury, Subarachnoid Hemorrhage, Intracerebral Hemorrhage, Liver Failure, Ischemic Stroke
Interventions
Transcranial Doppler
Diagnostic Test
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2025
U.S. locations
3
States / cities
Davis, California • San Francisco, California • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Sep 5, 2026, 12:14 PM EDT