Clinical trials: Doppler Ultrasound
Giant Cell Arteritis
Validation of a Diagnostic Algorithm of Giant Cell Arteritis
Giant cell arteritis (GCA or temporal arteritis or cranial arteritis) or Horton disease is a vasculitis that occurs in older adults, affecting vessels of medium and large caliber.
- Trial name
- ECHORTON (NCT02703922)
- Testing
- color Doppler ultrasound and TAB in case of CDU negative
- Where
- 6 sites in France
- Volunteers
- 165 people
- Sponsor
- Poitiers University Hospital
Anesthesia
Ultrasound-image Guided Versus Doppler Guided Versus Palpation Technique for Arterial Cannulation in Adults
Radial arterial cannulation is a common invasive procedure for real-time measurement of arterial blood pressure. Placement of the arterial catheter using conventional palpation is often relatively easy and quick, but this is not…
- Trial name
- NCT01276171
- Testing
- Ultrasound, Doppler, Palpation
- Where
- United States
- Volunteers
- 749 people
- Sponsor
- University of Iowa
Coronary Artery Bypass Graft Redo, Heart Valve Diseases
SONOlysis in Risk REduction of Symptomatic and Silent Brain infarCtions dUring Cardiac surgEry
The aim of the project is to demonstrate a fibrinolytic effect of sonothrombolysis (continual transcranial Doppler monitoring) using 2 MHz diagnostic probe on the reduction of risk of brain infarctions due to the activation of…
- Trial name
- SONORESCUE (NCT01591018)
- Testing
- sonolysis, cardiac surgery
- Where
- Czechia
- Volunteers
- 120 people
- Sponsor
- University Hospital Ostrava
Traumatic Brain Injury
Translational Research Examining Acupuncture Treatment in Traumatic Brain Injury
The purpose of this study is to examine the effects of acupuncture on cerebral blood flow (CBF) and blood biomarkers during the acute 10-day window following traumatic brain injury, to determine if those changes correlate with…
- Trial name
- TREAT-TBI (NCT02623218)
- Testing
- Acupuncture
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- AOMA Graduate School of Integrative Medicine
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
Congenital Heart Defects
Use of Color Doppler in Routine Examination of Fetal Heart in Second Trimester
To evaluate the percentage of severe heart defect diagnosed with the use of color Doppler at a routine fetal scan in the second trimester of pregnancy
- Trial name
- NCT01201486
- Where
- Norway
- Volunteers
- 6,781 people
- Sponsor
- Helse Stavanger HF
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
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
Sickle Cell Disease
Measurement of Cerebral Blood Flow Using Transcranial Doppler Ultrasound in Children With Sickle Cell Disease
Sickle cell disease (SCD) affects haemoglobin - the molecule in blood cells which carries oxygen. It causes red blood cells to become abnormal crescent (or sickle)- shaped.
- Trial name
- NCT02090881
- Testing
- Ultrasound scan
- Where
- United Kingdom
- Volunteers
- 25 people
- Sponsor
- Imperial College Healthcare NHS Trust
Other Acute Illnesses Presenting to the Hospital, Heart Failure
Evaluation of Implementation of a National Point-of-Care Ultrasound Training Program
This VA QUERI Partnered Evaluation Initiative will evaluate the impact of an immersive Point-of-care Ultrasound (POCUS) Training Course on provider skill acquisition and retention; the frequency of POCUS use by trained providers…
- Conditions
- Other Acute Illnesses Presenting to the Hospital, Heart Failure, Pneumonia, Deep Venous Thrombosis
- Trial name
- NCT03296280
- Where
- United States
- Volunteers
- 116 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Thyroid Nodule, Follicular Neoplasm
Diagnostic Accuracy of Shear-Wave Elastography for the Preoperative Risk Stratification of Follicular Lesions of the Thyroid
As many as 70-85% subjects diagnosed with a follicular lesion on biopsy and undergoing surgery will have benign lesions verified by histopathology after surgery.
- Trial name
- NCT03106337
- Testing
- Shear-Wave Elastography
- Where
- United States
- Volunteers
- 35 people
- Sponsor
- Massachusetts General Hospital
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
Sickle Cell Disease
Aspirin Prophylaxis in Sickle Cell Disease
Neurologic complications secondary to cerebrovascular damage are prevalent in children with sickle cell disease. These patients experience both clinically overt cerebrovascular accidents and "silent infarctions" demonstrated by…
- Trial name
- START (NCT00178464)
- Testing
- aspirin
- Volunteers
- 11 people
- Sponsor
- University of Rochester
Stroke
CLOTBUST Hands-Free: A Phase I/II Pilot Safety Trial
The purpose of CLOTBUST-HF is to determine the safety of a novel, external Hands-Free transcranial Doppler (TCD) ultrasound system in healthy volunteers and ischemic stroke patients.
- Trial name
- CLOTBUST-HF (NCT01240356)
- Testing
- 2-MHz transcranial Doppler ultrasound, 2-MHz transcranial Doppler ultrasound insonation
- Where
- 2 sites in United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center, Houston
Internal Carotid Artery Stenosis
SONOlysis in Prevention of Brain Infarctions dUring Carotid Stenting and caroTid EndaRterectomy
The aim of the project is to demonstrate a fibrinolytic effect of sonothrombolysis (continual transcranial Doppler monitoring) using 2 MegaHertz (MHz) diagnostic probe on the reduction of risk of brain infarctions due to the…
- Trial name
- SONOBUSTER (NCT01591005)
- Testing
- sonolysis, endarterectomy, carotid stenting
- Where
- Czechia
- Volunteers
- 242 people
- Sponsor
- University Hospital Ostrava
Cerebral Aneurysm, Stroke
Variability in Transcranial Doppler Technique in Neuro-Critical Care Patients
This study aims to determine the inter- and intra-variability of Transcranial Doppler (TCD) ultrasound in neuro-critical care patients who are planned for consecutive daily TCD evaluations.
- Conditions
- Cerebral Aneurysm, Stroke, Vasospasm, Cerebral, Subarachnoid Hemorrhage, Aneurysmal
- Trial name
- NCT04583163
- Testing
- Transcranial Doppler
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Hackensack Meridian Health
Psoriatic Arthritis
Study of Power Doppler Ultrasound (PDUS) to Measure Response of Secukinumab Treatment in Patients With Active Psoriatic Arthritis (PsA)
This study was designed to leverage the sensitivity of ultrasonography available in clinical practice setting to better describe the time course of response to secukinumab (150 mg and 300 mg) on joint synovitis and enthesitis in…
- Trial name
- PDUS (NCT02662985)
- Testing
- AIN457 (secukinumab)
- Where
- 33 sites in United States, Argentina and 15 more
- Volunteers
- 166 people
- Sponsor
- Novartis Pharmaceuticals
UGI Bleeding, Ulcer or Variceal Hemorrhage
Doppler Ultrasound Probe for Blood Flow Detection in Severe Upper Gastrointestinal Hemorrhage
The main purposes of this study are to compare clinical outcomes of two groups of patients with similar medical conditions (one with non-variceal upper gastrointestinal (UGI) lesions such as ulcers and another group with varices…
- Conditions
- UGI Bleeding, Ulcer or Variceal Hemorrhage, Stigmata of Recent Hemorrhage, Endoscopy
- Trial name
- NCT00732212
- Testing
- Doppler endoscopic ultrasound probe for blood flow detection, Standard endoscopic hemostasis
- Where
- 2 sites in United States
- Volunteers
- 235 people
- Sponsor
- VA Office of Research and Development
Venous Thrombosis
Study of Arixtra (Fondaparinux Sodium) to Prevent Blood Clots in Women Undergoing Abdominopelvic Surgery for Likely Gynecologic Malignancy
This is a randomized trial to compare intermittent compression devices with or without post-operative Arixtra (fondaparinux sodium) in women undergoing major abdominal surgery for known or presumed gynecologic malignancies.
- Trial name
- NCT00539942
- Testing
- Arixtra (fondaparinux sodium), Intermittent compression devices (ICD)
- Where
- United States
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham