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PURPOSE: This clinical trial is studying contrast-enhanced CT scan and contrast-enhanced MRI in diagnosing and staging liver cancer in patients with chronic liver disease.
- To compare the sensitivity of multiphase contrast-enhanced CT scan to that of multiphase contrast-enhanced MRI for diagnosing hepatocellular carcinoma (HCC) in patients with chronic liver disease.
- To compare the positive predictive value of CT scan to that of MRI for diagnosing HCC.
- To compare the lesion-level sensitivity and positive predictive value of CT scan and MRI as interpreted by radiologists at the respective transplant centers.
- To compare the sensitivity and specificity of CT scan vs MRI for diagnosing residual or recurrent HCC after local ablative therapy in patients listed for liver transplant.
- To determine the accuracy of imaging-based diagnosis and staging of HCC in clinical practice using the new Organ Procurement and Transplantation Network (OPTN) liver-imaging criteria compared with the reference standard of pathologic diagnosis and staging at the time of explantation.
- To explore whether the comparisons of sensitivity and positive predictive value are affected by stratifying patients by AFP level (elevated vs normal). (Exploratory)
OUTLINE: This is a multicenter study. Patients are stratified according to AFP level (elevated vs normal).
Patients undergo CT scan with iodinated contrast agent and MRI with extracellular gadolinium contrast agent (both standard-of-care and study-related) at baseline and at 90-day intervals while on the liver transplant wait list.
After transplantation, the explanted liver will be analyzed for biomarkers and other studies.
Primary Purpose: Diagnostic
iodinated contrast dye, motexafin gadolinium, laboratory biomarker analysis
Not yet recruiting
National Cancer Institute (NCI)
Published on BioPortfolio: 2014-08-27T03:15:24-0400
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Iodinated and gadolinium-based contrast materials have excellent safety profiles for use in pediatric computed tomography and MR imaging. The rate of acute adverse reactions and contrast-induced nephr...
Millions of radiologic examinations requiring the use of iodinated contrast are performed yearly in North America. Triiodobenzoic acid, the contrast agent molecule currently in use, is a benzene ring ...
Impact of rotational coronary angiography in the amount of iodinated contrast and the exposition to ionizing radiations in patients undergoing invasive coronary procedures: A systematic review and meta-analysis.
Invasive coronary procedures involve the administration of iodinated contrast and the exposure to ionizing radiations, increasing morbidity and mortality. The rotational coronary angiography (RCA) all...
Contrast-enhanced radiological examinations are important diagnostic tools in modern medicine. Currently, all approved and available iodinated and gadolinium-based contrast agents are safe and well to...
To determine whether multiple repeated administrations of gadolinium-based macrocyclic ionic MR contrast agent (MICA) are associated with intracranial gadolinium deposition and identify the predisposi...
Iodinated pyridine derivatives that are often used as contrast media.
An iodinated radiographic contrast medium used as acetrizoate sodium in HYSTEROSALPINGOGRAPHY.
Gadolinium. An element of the rare earth family of metals. It has the atomic symbol Gd, atomic number 64, and atomic weight 157.25. Its oxide is used in the control rods of some nuclear reactors.
A complex of gadolinium with a chelating agent, diethylenetriamine penta-acetic acid (DTPA see PENTETIC ACID), that is given to enhance the image in cranial and spinal MRIs. (From Martindale, The Extra Pharmacopoeia, 30th ed, p706)
A chronic, acquired, idiopathic, progressive eruption of the skin that occurs in the context of RENAL FAILURE. It is sometimes accompanied by systemic fibrosis. The pathogenesis seems to be multifactorial, with postulated involvement of circulating fibrocytes. There is a strong association between this disorder and the use of gadolinium-based contrast agents.
Radiology is the branch of medicine that studies imaging of the body; X-ray (basic, angiography, barium swallows), ultrasound, MRI, CT and PET. These imaging techniques can be used to diagnose, but also to treat a range of conditions, by allowing visuali...
Hepatology is the study of liver, gallbladder, biliary tree, and pancreas, and diseases associated with them. This includes viral hepatitis, alcohol damage, cirrhosis and cancer. As modern lifestyles change, with alcoholism and cancer becoming more promi...
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