Clinical trials: Carotid Artery Stenoses
Carotid Artery Stenosis
Neuroimaging Correlates of Memory Decline Following Carotid Interventions
Carotid revascularization can significantly reduce the risk of stroke in patients with severe carotid stenosis; however, it has been associated with cognitive decline in 25% of the older adults who undergo the procedure.
- Trial name
- NCT02006095
- Testing
- Magnetic resonance imaging, Neuropsychological testing
- Where
- United States
- Volunteers
- 207 people, healthy volunteers welcome
- Sponsor
- Stanford University
Internal Carotid Artery Stenosis
The Observation About the Effects of Internal Carotid Artery Stenosis on Fundus Vessels and the Changes of Fundus Vessels After Interventional Therapy
The investigators plan to collect 30 participants with internal carotid artery stenosis to observed the relationship between the degree of internal carotid artery stenosis and fundus vessels （and blood flow）density before…
- Trial name
- NCT05260229
- Where
- China
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Qilu Hospital of Shandong University
Chest Pain, Acute Coronary Syndrome
The FOVUS-ER Study: Focused Vascular Ultrasound to Risk Stratify Patients With Chest Pain in the ER
Broad Goal: To demonstrate that focused vascular ultrasound (FOVUS) can accurately risk stratify patients with chest pain in the emergency department (ED).
- Conditions
- Chest Pain, Acute Coronary Syndrome, Carotid Artery Plaque
- Trial name
- FOVUS-ER (NCT02947360)
- Testing
- Focused vascular ultrasound of the carotid arteries
- Where
- Canada
- Volunteers
- 326 people, healthy volunteers welcome
- Sponsor
- Queen's University
Asymptomatic Carotid Stenosis, Symptomatic Carotid Stenosis
Transcranial Doppler(TCD) Evaluation of High Intensity Transient Signals and Carotid Disease
Carotid Disease causes 10% of strokes. The Investigators are attempting to investigate the use of Transcranial Doppler to see if this is and effective, efficient, and/or valid way to identify individuals at highest risk for…
- Conditions
- Asymptomatic Carotid Stenosis, Symptomatic Carotid Stenosis, TCD, HITS
- Trial name
- TCD (NCT05829200)
- Testing
- Transcranial Doppler (TCD)
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Ochsner Health System
Carotid Artery Stenosis
Optimization Strategy of Carotid Artery Stenosis
The goal of this observational study is to learn about how to utilize multiple evaluation techniques in carotid artery stenosis patients for optimizing assessment of diagnosis and treatment strategy.
- Trial name
- COAS-CAS (NCT05629000)
- Testing
- Carotid revascularization, MRI-PWI, CTA
- Where
- China
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Peking Union Medical College Hospital
Carotid Artery Stenosis
Improved Image Quality for Assessment of Carotid Artery Stenosis by Ultrafast Ultrasound FLOW Imaging
Objective: To evaluate the technical performance of a novel cascaded wave imaging technique compared to plane wave imaging for blood flow imaging in patients with and without carotid artery stenosis.
- Trial name
- CAS-iFLOW (NCT06170580)
- Testing
- Conventional duplex, Ultrasound-based flow imaging using plane wave imaging, Ultrasound-based flow imaging using cascaded wave imaging
- Where
- Netherlands
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Radboud University Medical Center
Cerebral Hypoxia, Carotid Stenosis
The Effect of Hypoxic and Normoxic Cerebral Oximetry Levels on Cognitive Functions After Carotid Endarterectomy
In this study, we investigated the effect of the capacity to cope with oxidative stress (oxidative stress response during and after clamping) in individuals with cerebral oximetry level between 40- 60 % and above 60 % and their…
- Conditions
- Cerebral Hypoxia, Carotid Stenosis, Cognitive Dysfunction
- Trial name
- NCT05652426
- Where
- Turkey (Türkiye)
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Duzce University
Aging, Brain Metabolic Disorder
Monitoring of Brain Metabolites Using Proton and Deuterium MR Techniques
MR pulse for whole brain optimal Deuterium (2H) Metabolic Imaging and EPSI (echo planar spectroscopic imaging) based SLOW-edited 1H-MRSI will be developed and optimized for use at an UHF scanner at 7 Tesla.
- Conditions
- Aging, Brain Metabolic Disorder, Carotid Stenosis, Alzheimer Disease
- Trial name
- SIGNATURES2023 (NCT06705010)
- Testing
- Application of new pulse sequence package SIGNATURES2023 to healthy controls, Application of new pulse sequence package SIGNATURES2023 to 4 groups of patients (pilot)
- Where
- Switzerland
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Carotid Artery Stenosis, Image
Evaluation of Brain Health and Surgical Efficacy in Patients With Carotid Artery Stenosis
The purpose of this study is to explore the relationship between the recovery of cerebrovascular morphology and cognitive function before and after surgical treatment in patients with carotid artery stenosis and their…
- Trial name
- NCT05848921
- Testing
- magnetic resonance image, Neuropsychological scale
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Nanjing University of Traditional Chinese Medicine
Carotid Stenosis
Alternative Sensory Presentation Formats in Asymptomatic Carotid Stenosis
Background: In a previous study, information verbally presented as relative risk (e.g. "50% less likely") or qualitative risk (e.g.
- Trial name
- NCT01531868
- Testing
- Video
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Rhode Island Hospital
Atherosclerosis
Pilot Study of Ultrasonic Determined Carotid Plaque Composition
Pilot prospective two group observational study to create a model of the carotid plaque composition based on ultrasonic backscattered signals and select clinical data.
- Trial name
- UMP (NCT01879397)
- Testing
- Research Ultrasound Exam
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- D. Geoffrey Vince
Carotid Artery Plaque, Ischemic Stroke
18F FDG and 68Ga FAPI PET/MR Imaging of Carotid Artery Plaque Vulnerability: A Clinical Study in Carotid Artery Plaque Patients
Carotid atherosclerotic plaque rupture is the main cause of ischemic stroke attacks, and early and precise assessment of plaque vulnerability can prevent ischemic stroke.
- Conditions
- Carotid Artery Plaque, Ischemic Stroke, PET / MR
- Trial name
- NCT07004673
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Ruijin Hospital
Cerebrovascular Disorders
Neuroprotective and Cardioprotective Effects Of Palm Vitamin E Tocotrienols
The purpose of the study is to assess the neuroprotective, anti atherogenic and hepatoprotective properties of tocotrienols (palm vitamin E) supplementation as determined by white matter lesion load on serial magnetic resonance…
- Trial name
- NCT00753532
- Where
- Malaysia
- Volunteers
- 241 people, healthy volunteers welcome
- Sponsor
- Universiti Sains Malaysia
Ischemic Stroke, Carotid Stenosis
Extracranial Carotid & Intracranial Arterial Stenosis in Ischemic Stroke
The aim of the work is to; elucidate how the presence of carotid stenosis influence the pattern of stroke and also how it interact with other risk factors for stroke.
- Trial name
- NCT04162587
- Testing
- Carotid duplex+/- MRA neck, brain MRA+/-CT angio on carotid and brain, MRI brain
- Where
- Egypt
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Mansoura University Hospital
Carotid Stenosis
Optical Coherence Tomography Angiography Evaluation of Ocular Changes in Patients With Carotid Artery Stenosis
This study aims to evaluate ocular changes in patients with carotid artery stenosis by optical coherence tomography angiography before and after carotid artery revascularization procedure.
- Trial name
- NCT04326842
- Testing
- Carotid artery revascularization procedure, Optical coherence tomography angiography
- Where
- China
- Volunteers
- 129 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital of Harbin Medical University
Carotid Stenosis, Optical Coherence Tomography (OCT)
Endovascular Treatment of Cerebrovascular Diseases Guided by Optical Coherence Tomography (OCT) Technology（CVD-OCT）
OCT techniques have been used in the assessment of both intracranial and extracranial lesions.(1) Preprocedural evaluation: The morphologic characteristics of carotid atherosclerotic plaques can be evaluated by OCT before surgery…
- Conditions
- Carotid Stenosis, Optical Coherence Tomography (OCT), Endovascular Treatment
- Trial name
- （CVD-OCT) (NCT06986330)
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital of Wannan Medical College
Internal Carotid Artery Stenosis With Infarction
Advanced Ultrasound Methods in the Assessment of Carotid Plaque Instability
The primary aim of this project is to assess if advanced ultrasound methods such as SMI (Superb microvascular Imaging) and SWE (Shear Wave Elastography) can identify intraplaque neovascularization and plaque tissue stiffness in…
- Trial name
- NCT03672955
- Where
- Norway
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Oslo University Hospital
Atherosclerosis, Carotid Stenosis
Investigation of Plaque Instability Using Bevacizumab-800CW and MSOT
Determining whether we could visualize uptake of the fluorescent tracer Bevacizumab-800CW, targeting VEGF-A in atherosclerotic plaques by using the new imaging technique Multispectral Optoacoustic Tomography both in- and ex vivo.
- Conditions
- Atherosclerosis, Carotid Stenosis, Fluorescence
- Trial name
- Carotid (NCT03757507)
- Testing
- MultiSpectral Optoacoustic Tomography
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- G.M. van Dam
Carotid Artery Stenosis, Abdominal Aortic Aneurysm
Prevalence of Carotid Artery Stenosis and Abdominal Aortic Aneurysms in Brussels: a Population-based Screening Study.
Both abdominal aortic aneurysm (AAA) and carotid artery stenosis (CAS) are frequent clinical entities, with major morbidity and mortality.
- Conditions
- Carotid Artery Stenosis, Abdominal Aortic Aneurysm, Epidemiology
- Trial name
- NCT04098523
- Testing
- Duplex ultrasound
- Where
- Belgium
- Volunteers
- 3,286 people, healthy volunteers welcome
- Sponsor
- Erik Debing
Carotid Stenosis, Cerebrovascular Accident
Cost-Effectiveness of a Specialized Ultrasound Instrument to Diagnose Carotid Stenosis as a Way to Reduce the Risk of Stroke
Carotid stenosis, a condition in which plaque builds up inside the arteries of the neck and blocks blood flow to the brain, is one common cause of stroke.
- Trial name
- NCT00417586
- Testing
- Specialized Doppler Ultrasound Instrument
- Where
- United States
- Volunteers
- 984 people, healthy volunteers welcome
- Sponsor
- DVX, LLC