At the RSNA 2010 meeting in Chicago, Toshiba America Medical Systems of Tustin, CA, announced a multicenter clinical trial designed to establish the clinical efficacy of noncontrast renal MR angiography (MRA) using its time-spatial labeling inversion pulse (Time-SLIP) technology.
The study will be a prospective registry of consecutive subjects undergoing medically necessary noncontrast renal MRA exams for evaluating renal artery stenosis, and will compare noncontrast Time-SLIP renal MRA with other diagnostic imaging techniques, including digital subtraction x-ray angiography.
Led by Timothy Albert, MD, an assistant consulting professor of medicine at Duke University, the study will include at least 75 patients from centers in the U.S., Europe, and Asia. At least five systems will be used, including both the 1.5T Vantage Atlas and Vantage Titan systems, for this trial, which is scheduled to begin in early 2011 and run for six to twelve months, according to Toshiba.
The company hopes to show how noncontrast MRA is a valuable noninvasive tool that provides clear, high-resolution images of the renal arteries without the need for contrast. Using noncontrast techniques eliminates the risks associated with gadolinium-based contrast agents, such as nephrogenic systemic fibrosis (NSF), Toshiba said.
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