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Clinical Trials About "imaging modality identifies presence cholesterol arterial plaque" RSS

22:45 EDT 22nd July 2019 | BioPortfolio

We list hundreds of Clinical Trials about "imaging modality identifies presence cholesterol arterial plaque" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.

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Showing "imaging modality identifies presence cholesterol arterial plaque" Clinical Trials 1–25 of 13,000+

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PET/CT to Identify "Vulnerable" Arterial Plaque

The purpose of this research is to evaluate the presence, location and intensity of FDG uptake in the large arteries using the new technology of fused PET/CT imaging and to compare FDG uptake with the presence of arterial calcifications as seen on the simultaneously acquired CT, in order to determine if FDG was increases incalcified plaque or in a different location in the arterial wall. we will also evaluate the relationship between FDG localization and future cardiovascular e...


A Double Blind, Randomized Trial of Alirocumab and Plaque Regression in Peripheral Arterial Disease

Peripiheral arterial disease (PAD) is characterized by lower limb arterial obstruction due to atherosclerosis. Magnetic resonance imaging (MRI) methods can accurately quantify atherosclerotic plaque in the superficial femoral artery (SFA) in patients with PAD. Such techniques have demonstrated plaque regression with statin therapy over 1 year. Alirocumab is a PCSK9 inhibitor that effectively reduces LDL cholesterol up to 70% in patients on statins or intolerant to statins. The ...

Multi-modality Imaging in Acute Myocardial Infarction

The goal of this study is to use three (3) different imaging techniques:Fractional Flow Reserve (FFR) allows precise measurement of blood flow in the arteries to the heart, and is more reliable than pictures alone to determine the significance of blockages in the heart; Near Infra-Red Spectroscopy-Intravascular Ultrasound (NIRS IVUS) provides information about the amount of lipid and cholesterol in the plaque, and plaque volume; and Optical Coherence Tomography (OCT) allows phy...


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Identifying Vulnerable Plaques in Blood Vessels of the Heart Using a New Imaging Technique

Atherosclerosis, a condition in which fatty deposits of plaque build up along the inner walls of arteries, is a condition that may increase the risk of having a heart attack. Previous studies have shown that the presence of a specific kind of plaque, known as vulnerable plaque, is often found in people who have had a heart attack. This study will use a new imaging technique called optical frequency domain imaging (OFDI) to examine the presence of vulnerable plaques in people wi...

Imaging of Plaque With Magnetic Resonance Imaging (MRI)

This study aims to develop and refine the use of an intravascular wire to image plaque in the aorta, iliac and femoral artery using MRI. This project aims to use this increased resolution to identify the features within the plaque that is known to be associated with increased risk of plaque and vessel occlusion. The hypothesis is Intravascular MRI can detect and measure changes in response to therapy over time in the critical features in plaques in peripheral arteries of pati...

Magnetic Resonance Imaging of the Coronary Vessel Wall

Despite advances in prevention and treatment, clinical manifestations of atherosclerosis (e.g. myocardial infarction, stroke) remain the largest cause of mortality in the Western world. The occurrence of acute ischemic syndromes, including unstable angina and myocardial infarction, is highly associated with atherosclerotic plaque morphology. Magnetic resonance (MR) imaging is able to noninvasively depict the lumen of coronary arteries without the need for ionizing radiation. I...

Magnetic Resonance Imaging to Identify Characteristics of Plaque Build-Up in People With Peripheral Arterial Disease

Peripheral arterial disease (PAD) is a disease in which fatty build-up, or "plaque," accumulates in the peripheral arteries. People with PAD often experience leg pain while walking due to reduced blood flow to the legs. This study will use magnetic resonance imaging (MRI) techniques to examine how specific features of plaque build-up in the leg arteries affect walking ability, leg strength, and balance in people with PAD.

Transesophageal Magnetic Resonance Imaging (MRI) in Conjunction With Lipid Lowering Measures

This research is being done to investigate the ability of an experimental imaging method - transesophageal magnetic resonance imaging (TEMRI), to detect the change in aortic atherosclerotic plaque burden and morphology between patients on high dose cholesterol lowering medications and patients on standard dose cholesterol lowering medications. This study will use TEMRI to see how atherosclerosis (cholesterol build up) changes with cholesterol lowering medications. This study wi...

Using Ultrasonography, Shear Wave Elastography, Strain Imaging, and 3-D Volume Ultrasonography on Cardiovascular Disease

The researchers are trying to see whether contrast-enhanced ultrasonography, shear wave elastography, strain imaging, and 3-D volume ultrasonography improves arterial wall visualization and identifies arterial elastic properties among individuals with fibromuscular dysplasia (FMD), atherosclerosis, personal history of spontaneous coronary artery dissections (SCAD), or personal history of segmental arterial mediolysis (SAM) that may be different compared to those without the afo...

Plaque Registration and Event Detection In Computed Tomography

Disruption of an atherosclerotic plaque is responsible for at least two-thirds of acute coronary syndrome. Thus, identification of plaques vulnerable to rupture has become important. The natural history of individual plaques is unknown and needs to be established. Multidetector computed tomography (MDCT) angiography is a useful noninvasive imaging modality for assessing coronary plaque characteristics. Using MDCT, the researchers prospectively investigate the relationship betwe...

Influence of Intensive Lipid Lowering Treatment Compared to Moderate Lipid Lowering Treatment on Plaque Composition in Patients With ST-Segment Elevation Myocardial Infarction (MI)

In patients with ST-segment elevation acute myocardial infarction (STEMI) increased LDL-cholesterol reduction (rosuvastatin 40 mg) will provide incremental plaque stabilization (changes in plaque composition) and plaque regression over 12 months beyond the benefit of moderate LDL-cholesterol reduction (rosuvastatin 5 mg) (assessed by IVUS and VH).

Imaging of Unstable Carotid Plaque in Patient Referred to Endarterectomy

This study will assess unstable plaque imaging features by using high resolution MR imaging and Sodium Fluoride F-18 PET. This is a comparative study between symptomatic and asymptomatic patient referred to carotid endateriectomy, with reference to pathologic analysis of plaque components

Effect of CER-001 on Plaque Volume in Homozygous Familial Hypercholesterolemia (HoFH) Subjects

The available medications used to treat HoFH are targeted at reducing circulating levels of total and LDL-cholesterol. These measures can retard the progression of cardiovascular disease, however, they are unlikely to regress existing disease due to years of cholesterol accumulation in the vessel walls and therefore cannot adequately reduce the existing risk for an ischemic event. HDL has multiple actions that could lead to plaque stabilization and regression, such as rapid r...

Positron Emission Tomography (PET) Imaging in Stage III Non-small Cell Lung Cancer (PET START Trial)

Locally advanced non-small cell lung cancer, NSCLC, (Stage III) is potentially curable with aggressive combined modality therapy (chemotherapy and radiation). Conventional imaging can only evaluate gross anatomic abnormalities but functional imaging with positron emission tomography (PET) may more accurately identify patients who will benefit from aggressive combined modality therapy. This prospective randomized clinical trial will enroll 400 patients that have undergone ...

Same Lipid Lowering on Coronary Plaque Regression

Atherosclerosis is a progressive disease. Lipid lowering therapy was the standard treatment for patients with coronary artery disease. Studies indicated that coronary artery plaque progression had positive relationship with the plasma cholesterol level, and could be halted or reversed by intensive statin therapy (such as 20-40 mg/d atorvastatin). Ezetimibe plus statin could further lowered blood cholesterol level. Here the investigators hypothesize that same cholesterol lowerin...

Carotid Plaque Regression With Statin Treatment Assessed by High Field Magnetic Resonance Imaging (MRI)

The purpose of the study is to determine if short term (6 months) treatment with statins to lower low-density lipoprotein (LDL) in vascular disease patients with carotid plaque will be associated with a measurable reduction in carotid plaque volume using 3 Tesla MRI. The researchers will correlate the change in plaque volume to degree of LDL lowering. The researchers will also study if brief treatment will lead to change in plaque composition. The researchers will compare the...

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 carotid artery plaques and relate these results to ipsilateral cerebrovascular symptoms. The secondary aim of this project is to assess the level of agreement between the structural plaque characteristics assessed by advanced ultrasound examinations suc...

Contrast Enhanced SWI for Carotid Plaque Imaging

This study aims to compare image-based characteristics of carotid walls between symptomatic side and the opposite side. The design of this study is phase IV, prospective observational study.

Effect of PCSK9 Inhibition on Cardiovascular Risk in Treated HIV Infection (EPIC-HIV Study)

Atherosclerosis in the setting of HIV infection is distinct and includes increased vascular inflammation, worsened endothelial function, and a predominance of non-calcified plaque. These outcomes can be assessed using specialized noninvasive imaging which strongly predict future CV events in the general population. PCSK9 has emerged as an important pharmacologic target for cholesterol lowering in the general population and recent studies among individuals without HIV have show...

TRACER [F-18] RDG-K5 Carotid Plaque Imaging Study

The purpose of this study is to investigate the ability of a new investigational agent compound [F-18] labeled RGD-K5 to detect unstable atherosclerotic plaque in the carotid artery of subjects being considered for carotid endarterectomy (CEA), and to confirm this ability through tissue analysis of samples of carotid artery plaques that will be collected during the planned carotid surgery. [F-18] RGD-K5 is a radioactive tracer used in imaging to detect active growth of new bloo...

Vulnerable Plaque Imaging in NSTEMI

Myocardial infarction (MI) frequently recurs after non-ST elevation MI (NSTEMI) that may be related to insufficient vulnerable plaque identification using invasive coronary angiography. Furthermore, the natural behaviour of vulnerable plaques in NSTEMI over time and their relation with biomarkers need further exploration. More accurate identification and assessing long-term behaviour of vulnerable plaques may improve therapeutic strategies and clinical outcome. The investigator...

Carotid Atherosclerosis Regression at Magnetic Resonance Assessment.

The primary objective of this randomized, double blind, placebo controlled pilot study is to determine if therapies aimed at lowering LDL cholesterol (HMGCoA reductase inhibitor – simvastatin) or increasing HDL cholesterol (Niaspan) will induce regression of carotid atherosclerotic plaque in vivo using MRI imaging techniques. MR plaque morphology at baseline will be compared to that after 6 and 12 months of therapy and changes in MR characteristics will be compared to change...

Registry Study of Cardiac Multi-modality Imaging Overview for Patients With STEMI

Patients with STEMI post-revascularization therapy suffered from various clinical outcomes. Non-invasive imaging, including echocardiography, MPS using SPECT or PET, and CMR, has been proved to be of great predicting value in prognosis. The purporse of this registry is to assess the prognostic value of multi-modality imaging-derived indices.

Intraoperative Dual-modality Imaging in Renal Cell Carcinoma

Intraoperative tumor localization and resection can be enhanced using intraoperative fluorescence imaging and radiodetection. Girentuximab specifically recognizes carbonic anhydrase IX expressed on > 95% of renal cell carcinoma (RCC). Therefore Indium-111-DOTA-girentuximab-IRDye800CW is a perfect dual-labeled antibody for dual-modality image-guided surgery in RCC. The aim of this study is to assess the feasibility and safety of intraoperative dual-modality imaging with ...

Aleskiren Effect on Plaque Progression Using 3-dimensional Magnetic Resonance Imaging (3D MRI)

The reason for this study is to see if a drug called Aliskiren decreases the amount of plaque in the arteries of people who have health problems due to plaque, like heart disease or vascular disease. A 3-dimensional MRI is being used to examine plaque in the aorta (the large blood vessel coming out of the heart).


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