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Showing 1–24 of 54 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Ultrasound Doppler Clear all
Terminated No phase listed Observational Results available

Variability in Transcranial Doppler Technique in Neuro-Critical Care Patients

NCT04583163
View directory record Official record
Conditions
Cerebral Aneurysm, Stroke, Vasospasm, Cerebral, Subarachnoid Hemorrhage, Aneurysmal, Aneurysmal Subarachnoid Hemorrhage, Cerebral Ischemia
Interventions
Transcranial Doppler
Diagnostic Test
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years and older
Enrollment
3 participants
Timeline
2020 – 2022
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 14, 2025 · Synced Jul 21, 2026, 7:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Carotid Doppler Ultrasound for the Measurement of Intravascular Volume Status

NCT02907931
View directory record Official record
Conditions
Hypotension, Sepsis
Interventions
Point of Care Ultrasound
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 60 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 12, 2020 · Synced Jul 21, 2026, 7:43 PM EDT
Completed Not applicable Interventional Results available

Ultrasound-image Guided Versus Doppler Guided Versus Palpation Technique for Arterial Cannulation in Adults

NCT01276171
View directory record Official record
Conditions
Anesthesia
Interventions
Ultrasound, Doppler, Palpation
Procedure
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 99 Years
Enrollment
749 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jun 25, 2017 · Synced Jul 21, 2026, 7:43 PM EDT
Completed Phase 1 Interventional

Haploidentical Stem Cell Transplant for Patients With Sickle Cell Disease and Prior Stroke or Abnormal Transcranial Ultrasound

NCT00152113
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Hematopoietic Stem Cell Transplantation, CliniMACS, See intervention description
Procedure · Device · Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
2 Years to 16 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 25, 2017 · Synced Jul 21, 2026, 7:43 PM EDT
Completed Phase 1 Interventional Results available

Safety Study of External Counterpulsation as a Treatment for Acute Ischemic Stroke

NCT00983749
View directory record Official record
Conditions
Stroke
Interventions
Full-pressure ECP, Sham-pressure ECP
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 85 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
3
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated Jun 27, 2016 · Synced Jul 21, 2026, 7:43 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 Jul 21, 2026, 7:43 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 Jul 21, 2026, 7:43 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 Jul 21, 2026, 7:43 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 Jul 21, 2026, 7:43 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 Jul 21, 2026, 7:43 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 Jul 21, 2026, 7:43 PM EDT
Not listed No phase listed Observational

Accuracy of Doppler Ultrasound Versus Manual Palpation of Pulse in Cardiac Arrest

NCT05558228
View directory record Official record
Conditions
Cardiac Arrest
Interventions
FloPatch FP120
Device
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Sep 27, 2023 · Synced Jul 21, 2026, 7:43 PM EDT
Completed No phase listed Observational

Ultrasonography in Hemophilic Joint Disease and Serum Markers

NCT02634918
View directory record Official record
Conditions
Hemophilia A, Hemophilia B, Hemarthroses
Interventions
ultrasound
Other
Lead sponsor
Northwell Health
Other
Eligibility
6 Months to 18 Years · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Feb 12, 2020 · Synced Jul 21, 2026, 7:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Doppler Ultrasound Compared With Stethoscope to Assess Heart Rate (HR)

NCT04242654
View directory record Official record
Conditions
Neonatal Resuscitation
Interventions
Handheld fetal doppler ultrasound
Procedure
Lead sponsor
Columbia University
Other
Eligibility
0 Hours to 1 Hour
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 9, 2022 · Synced Jul 21, 2026, 7:43 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 Jul 21, 2026, 7:43 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 Jul 21, 2026, 7:43 PM EDT
Completed No phase listed Observational

Ultrasound Markers of Organ Congestion in Severe Acute Kidney Injury

NCT04095143
View directory record Official record
Conditions
Acute Kidney Injury, Fluid Overload, Ultrasonography
Interventions
Portal vein flow, Intra-renal flow, Hepatic vein flow, Pulmonary B-lines, Dimensions of the inferior vena cava, Left ventricular function, Right ventricular function
Diagnostic Test
Lead sponsor
Centre hospitalier de l'Université de Montréal (CHUM)
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Nov 13, 2022 · Synced Jul 21, 2026, 7:43 PM EDT
Terminated Phase 3 Interventional Results available

Study to Evaluate the Effect of GBT440 on TCD in Pediatrics With Sickle Cell Disease

NCT04218084
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Voxelotor, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
2 Years to 14 Years
Enrollment
236 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
13
States / cities
Washington D.C., District of Columbia • Miami, Florida • Atlanta, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Jul 21, 2026, 7:43 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 Jul 21, 2026, 7:43 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Doppler Ultrasound Imaging of Plastic Surgery Patients for DVT Detection

NCT02123550
View directory record Official record
Conditions
Deep Venous Thrombosis
Interventions
Not listed
Lead sponsor
Swanson Center
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2022
U.S. locations
1
States / cities
Leawood, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 9, 2018 · Synced Jul 21, 2026, 7:43 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 Jul 21, 2026, 7:43 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

CLOTBUST Hands-Free: A Phase I/II Pilot Safety Trial

NCT01240356
View directory record Official record
Conditions
Stroke
Interventions
2-MHz transcranial Doppler ultrasound, 2-MHz transcranial Doppler ultrasound insonation
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
2
States / cities
Birmingham, Alabama • Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 22, 2016 · Synced Jul 21, 2026, 7:43 PM EDT
Completed No phase listed Observational

Transcranial Doppler Ultrasound Monitoring During Flow-Diverter Embolization

NCT02354300
View directory record Official record
Conditions
Intracranial Aneurysm, Aneurysm, Intracranial, Giant Intracranial Aneurysm
Interventions
TCD Ultrasound
Device
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 25, 2016 · Synced Jul 21, 2026, 7:43 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 Jul 21, 2026, 7:43 PM EDT