Clinical trials: Doppler Ultrasound
Hemodynamic Monitoring
Evaluation of the UltraTrac System as a Non-Invasive Monitor of Hemodynamic Parameters
This study will test the use of the UltraTrac™ system, a small, noninvasive device that uses electrodes on the skin and a small ultrasound sensor to provide measurements of cardiac function in a wide of subjects.
- Trial name
- NCT07862608
- Testing
- Noninvasive Hemodynamic Monitoring System
- Where
- United States
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- AcQumen Medical, Inc.
Hemodialysis
Ultrasound Instrument to Prevent Dialysis Graft Failure
This research study aims to show that a newly developed investigational Doppler instrument can reliably measure blood flow in dialysis access grafts, to see if a decrease in the flow may be a sign of impending graft failure and…
- Trial name
- NCT00309348
- Testing
- Weekly measurement of graft flow
- Where
- 2 sites in United States
- Volunteers
- 111 people
- Sponsor
- DVX, LLC
Congestive Heart Failure (CHF)
Evaluation of Blood Flow Patterns in Lung Blood Vessels Using Ultrasound Technique in Patients With Congestive Heart Failure
Historically, transthoracic Doppler echocardiography has been unable to provide interpretable data of blood flow within the lung parenchyma because of air attenuation of Doppler signals.
- Trial name
- NCT01744210
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Echosense Ltd.
Cardiac Arrest (CA), Return of Spontaneous Circulation
Pulse Detection in Cardiac Arrest Patients Using a Doppler Ultrasound Patch on the Carotid Artery
The purpose of this study is to find out if a Doppler ultrasound patch placed on the neck can accurately and quickly detect when a cardiac arrest patient's heart starts beating again (return of spontaneous circulation, or ROSC)…
- Conditions
- Cardiac Arrest (CA), Return of Spontaneous Circulation, CPR Quality Assessment
- Trial name
- NCT07729228
- Testing
- Ultrasound doppler perfusion monitoring
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Heartstream US LLC
Acute Ischemic Stroke
Microbubble-Enhanced Clotbust Treatment of Acute Ischemic Stroke
The study is designed to examine the safety, tolerability, and activity of a combination of microbubbles (perflutren lipid microsphere [Definity®]) and continuous monitoring with 2 MHz transcranial Doppler ultrasound (TCD) as an…
- Trial name
- NCT00507806
- Testing
- perflutren lipid microsphere
- Sponsor
- ImaRx Therapeutics
Rheumatoid Arthritis
A Rheumatoid Arthritis Study to Assess Early Response to Abatacept+MTX as Defined by Improvement of Synovitis Measures by Power Doppler Ultrasonography
The purpose of the study is to assess early signs of response to abatacept+methotrexate in metacarpophalangeal joints in both hands using power Doppler ultrasonography in patients with active rheumatoid arthritis.
- Trial name
- NCT00767325
- Testing
- Abatacept, Methotrexate
- Where
- 21 sites in Denmark, France and 6 more
- Volunteers
- 104 people
- Sponsor
- Bristol-Myers Squibb
Dyspnea, Acute Decompensated Heart Failure
Evaluation of Cardiopulmonary Diseases by Ultrasound
Historically, ultrasound imaging of the lung parenchyma has been challenging because of the high total ultrasound energy attenuation and scattering by the air in the lungs.
- Trial name
- NCT02248831
- Testing
- Recording Doppler ultrasound signals noninvasively
- Where
- United States
- Volunteers
- 600 people
- Sponsor
- Echosense Ltd.
Acute Cardiovascular, Pneumonia
Evaluation of Lung Doppler Signals in Patients Presenting to EMD
Historically, ultrasound has been unable to provide interpretable data from the lung parenchyma, mainly because of the high total ultrasound energy attenuation and scattering by the air in the lungs.
- Conditions
- Acute Cardiovascular, Pneumonia, Pulmonary Embolism, CHF Exacerbation
- Trial name
- NCT01961141
- Where
- Israel
- Sponsor
- Echosense Ltd.
Sickle Cell Disease
Study to Evaluate the Effect of GBT440 on TCD in Pediatrics With Sickle Cell Disease
This study is a Phase 3, randomized, double-blind, placebo-controlled study of voxelotor in pediatric participants, aged ≥ 2 to < 15 years old, with Sickle Cell Disease.
- Trial name
- HOPE Kids 2 (NCT04218084)
- Testing
- Voxelotor
- Where
- 35 sites in United States, Egypt and 7 more
- Volunteers
- 236 people
- Sponsor
- Pfizer
Right to Left Shunt, Patent Foramen Ovale
Right to Left Cardiac Shunt Detection
The purpose of this study is to evaluate the sensitivity and specificity of the Cardiox Flow Detection System (FDS) in identifying an intracardiac right-to-left shunt (RLS) compared to the results of transesophageal…
- Conditions
- Right to Left Shunt, Patent Foramen Ovale, Atrial Septal Defect
- Trial name
- PFO Detection (NCT01773252)
- Testing
- Flow Detection System
- Where
- 8 sites in United States
- Volunteers
- 141 people
- Sponsor
- Cardiox Corporation
Hemodynamic Monitoring
UltraTrac Clinical Pilot Study
This single-center pilot study will evaluate the accuracy and feasibility of non-invasive cardiac output measurement using the UltraTrac device in pediatric patients aged 0-21 years undergoing standard-of-care diagnostic cardiac…
- Trial name
- ULTRA-CO (NCT07864714)
- Testing
- Noninvasive Hemodynamic Monitoring System
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- AcQumen Medical, Inc.
Rheumatoid Arthritis
A Study of the Effects of Oral Prednisone in Patients With Rheumatoid Arthritis (MK0000-088)
The study will compare the effects of prednisone vs placebo on synovial blood flow and overall DAS (disease activity score) in patients with rheumatoid arthritis.
- Trial name
- NCT00746512
- Testing
- Prednisone 15 mg, Prednisone 7.5 mg
- Volunteers
- 45 people
- Sponsor
- Merck Sharp & Dohme LLC
Lung Disease, Chronic Obstructive, Lung Disease, Interstitial
Diagnosis of Cardio-Pulmonary Pathology Using Transthoracic Parametric Doppler (TPD)
This is a study that seeks to characterize data obtained from patients with a variety of lung diseases using ultrasound signals obtained from the lung tissue.
- Conditions
- Lung Disease, Chronic Obstructive, Lung Disease, Interstitial, Asthma, Sarcoidosis
- Trial name
- NCT01361139
- Where
- 2 sites in Israel
- Volunteers
- 500 people
- Sponsor
- Echosense Ltd.
Rheumatoid Arthritis
Open Label Study to Assess the Predictability of Early Response to Certolizumab Pegol in Patients With Rheumatoid Arthritis
The study aims to evaluate the predictability of early response to Certolizumab pegol in combination with Methotrexate at one year in patients with moderate to severe rheumatoid arthritis.
- Trial name
- SPEED (NCT01443364)
- Testing
- Certolizumab pegol
- Where
- 18 sites in Italy
- Volunteers
- 132 people
- Sponsor
- UCB Italy s.p.a.
Spondylitis, Ankylosing, SpA
Enthesitis With Ultra Sonography Doppler in Spondyloarthropathies Treated With Infliximab (Study P04440)
Subjects will be given 3 infusions of infliximab according to the label at week 0, 2, and 6. Subjects will be followed for a maximum of 18 weeks or until relapse.
- Trial name
- EUSpA (NCT00686894)
- Testing
- PDUS, Infliximab
- Volunteers
- 7 people
- Sponsor
- Merck Sharp & Dohme LLC
Mitral Valve Regurgitation of Any Grade
Mitral Valve Regurgitation Quantification From 3D Color Doppler Ultrasound - Standard of Care Data Collection
The study primarily aims to collect standard of care clinical data in a wide spectrum of simple to complex mitral valve regurgitation (MVR) cases to validate a post-processing stand-alone software prototype (QFlow), developed by…
- Trial name
- NCT03286088
- Testing
- TransEsophageal Echocardiography and TransEsophageal Echocardiography, Cardiac Magnetics Resonance, MitraClip
- Where
- Belgium
- Volunteers
- 120 people
- Sponsor
- Philips Clinical & Medical Affairs Global
Pulmonary Edema
Measurements of Doppler Signals Noninvasively From the Lung in Congestive Heart Failure
The purpose of this study is to evaluate the lung Doppler signals in left HF patients with and without pulmonary congestion (i.e.
- Trial name
- NCT01940328
- Testing
- Transchoracic ultrasound Doppler
- Where
- Israel
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Echosense Ltd.
Pulmonary Pathologies, Cardio-pulmonary Diseases
The Use of a Ultra-sound of the Lung to Diagnose Lung Diseases
The study is a prospective open evaluating study of Ultrasound/Doppler application to the chest cavity intended to detect and characterize pathologies of the pulmonary and cardio-vascular system.
- Trial name
- NCT01225367
- Testing
- ultrasound doppler monitoring
- Where
- Israel
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Echosense Ltd.
Heart Failure, Cardiomyopathies
Multimodal Physiologic State Intelligence Study
The OMNIPHYS study will investigate whether multimodal ultrasound and other routinely collected clinical and physiologic data can be combined with artificial intelligence to characterize changes in a person's physiologic state…
- Conditions
- Heart Failure, Cardiomyopathies, Pulmonary Hypertension, Myocarditis; Acute or Subacute
- Trial name
- OMNIPHYS (NCT07814118)
- Testing
- OMNIPHYS Multimodal Ultrasound Imaging System
- Where
- United States
- Volunteers
- 25,000 people, healthy volunteers welcome
- Sponsor
- Truway Health, Inc.
Pulmonary Hypertension
Measurements and Characterization of Doppler Signals From the Right Chest in Pediatric and Adult Patients
Recently it has been shown that clear reproducible Doppler signals can be recorded from the lung parenchyma by means of a pulsed Doppler ultrasound system incorporating a special signal processing package parametric Doppler, TPD…
- Trial name
- NCT01913457
- Testing
- Ultrasound Doppler
- Where
- 2 sites in United States
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- Echosense Ltd.