Zahi A Fayad, PhD Email Zahi Fayad
- DIRECTOR TRANSLATIONAL AND MOLECULAR IMAGING INSTITUTE
- PROFESSOR | Radiology
- PROFESSOR | Medicine, Cardiology
Atherosclerosis, Cardiovascular, Computed Tomography, Image Analysis, Imaging, Magnetic Resonance Imaging, Nanotechnology
Multi-Disciplinary Training Area
Pharmacology and Therapeutics Discovery [PTD]
BSEE, Bradley University
MSE, Johns Hopkins University
PhD, University of Pennsylvania
Opening Session Distinguished Lecturer
Radiological Society of North America
My laboratory is focused on developing and using noninvasive imaging methods that allow the early detection, prevention, and treatment of cardiovascular disease. Despite considerable therapeutic advances over the past 50 years, cardiovascular disease is the leading cause of death worldwide. This is mainly a result of the increasing prevalence of atherosclerosis, owing to the ageing population, the improved survival of patients with atherosclerotic cardiovascular disease and, above all, the widespread under-recognition and undertreatment of individuals with risk factors for atherosclerosis. Atherosclerosis is characterized by the thickening of the arterial wall to form an atherosclerotic plaque, a process in which cholesterol deposition, inflammation, extracellular-matrix formation and thrombosis have important roles (see Sanz and Fayad Nature 2008; 45:953-957). Symptoms occur late in the course of disease and are usually caused by the narrowing of the lumen of the artery, which can happen gradually (as a result of progressive plaque growth) or suddenly (as a result of plaque rupture and, subsequently, thrombosis). The resultant decrease in blood supply can affect almost any organ, although coronary heart disease and stroke are the most common consequences.
Traditionally, diagnosis of atherosclerosis was possible only at advanced stages of disease, either by directly revealing the narrowing of the arterial lumen (stenosis) or by evaluating the effect of arterial stenosis on organ perfusion. We are developing and using, new imaging approaches that allow the assessment not only of the morphology of blood vessels but also of the composition of the vessel walls, enabling atherosclerosis-associated abnormalities in the arteries (including the coronary arteries) to be observed, down to the cellular and molecular level in some cases. Some of these approaches are now in clinical use or are being tested in clinical trials, whereas others are better suited to basic (preclinical) and translational research.
Our current activities are focused on:
Imaging Acquisition and Analysis Methods: Development of novel multimodality cardiovascular imaging and analysis techniques using macro- and micro- Cardiovascular Magnetic Resonance (CMR), computed tomography (CT), positron emission tomography (PET), and optical imaging.
Early Detection and Outcomes Prediction: Use of in vivo noninvasive multimodality imaging methods for the early detection of atherosclerosis in humans and for cardiovascular events and outcomes prediction.
Clinical Trials and Drug Development: Use in vivo noninvasive multimodality imaging methods in clinical trials for the development and testing of novel therapeutics to treat atherosclerosis.
Molecular Imaging: Development and use of novel multimodality imaging nanoparticulate systems to monitor fundamental cellular/molecular events in living subjects including patients.
Drug Delivery: Development and use of novel targeted drug delivery nanoparticulate systems to improve the treatment of atherosclerosis in living subjects including patients.
Sanz J, Fayad ZA. Imaging of atherosclerotic cardiovascular disease. Nature 2008; 451(7181): 953-957.
Rudd JH, Fayad ZA. Imaging atherosclerotic plaque inflammation. Nature clinical practice 2008; 5(Suppl 2): S11-17.
Mulder WJ, Cormode DP, Hak S, Lobatto ME, Silvera S, Fayad ZA. Multimodality nanotracers for cardiovascular applications. Nature clinical practice 2008; 5 Suppl 2: S103-111.
van Schooneveld MM, Vucic E, Koole R, Zhou Y, Stocks J, Cormode DP, Tang CY, Gordon RE, Nicolay K, Meijerink A, Fayad ZA, Mulder WJ, . Improved Biocompatibility and Pharmacokinetics of Silica Nanoparticles by Means of a Lipid Coating: A Multimodality Investigation. Nano letters 2008;.
Mani V, Adler E, Briley-Saebo KC, Bystrup A, Fuster V, Keller G, Fayad ZA. Serial in vivo positive contrast MRI of iron oxide-labeled embryonic stem cell-derived cardiac precursor cells in a mouse model of myocardial infarction. Magn Reson Med 2008; 60(1): 73-81.
Briley-Saebo KC, Shaw PX, Mulder WJ, Choi SH, Vucic E, Aguinaldo JG, Witztum JL, Fuster V, Tsimikas S, Fayad ZA. Targeted molecular probes for imaging atherosclerotic lesions with magnetic resonance using antibodies that recognize oxidation-specific epitopes. Circulation 2008; 117(25): 3206-3215.
Rudd JH, Myers KS, Bansilal S, Machac J, Pinto CA, Tong C, Rafique A, Hargeaves R, Farkouh M, Fuster V, Fayad ZA. Atherosclerosis inflammation imaging with 18F-FDG PET: carotid, iliac, and femoral uptake reproducibility, quantification methods, and recommendations. J Nucl Med 2008; 49(6): 871-878.
Calcagno C, Cornily JC, Hyafil F, Rudd JH, Briley-Saebo KC, Mani V, Goldschlager G, Machac J, Fuster V, Fayad ZA. Detection of neovessels in atherosclerotic plaques of rabbits using dynamic contrast enhanced MRI and 18F-FDG PET. Arteriosclerosis, thrombosis, and vascular biology 2008; 28(7): 1311-1317.
Briley-Saebo KC, Mani V, Hyafil F, Cornily JC, Fayad ZA. Fractionated Feridex and positive contrast: in vivo MR imaging of atherosclerosis. Magn Reson Med 2008; 59(4): 721-730.
Lancelot E, Amirbekian V, Brigger I, Raynaud JS, Ballet S, David C, Rousseaux O, Le Greneur S, Port M, Lijnen HR, Bruneval P, Michel JB, Ouimet T, Roques B, Amirbekian S, Hyafil F, Vucic E, Aguinaldo JG, Corot C, Fayad ZA. Evaluation of matrix metalloproteinases in atherosclerosis using a novel noninvasive imaging approach. Arteriosclerosis, thrombosis, and vascular biology 2008; 28(3): 425-432.
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Dr.Fayad did not report having any of the following types of financial relationships with industry during 2017 and/or 2018: consulting, scientific advisory board, industry-sponsored lectures, service on Board of Directors, participation on industry-sponsored committees, equity ownership valued at greater than 5% of a publicly traded company or any value in a privately held company. Please note that this information may differ from information posted on corporate sites due to timing or classification differences.
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