The purpose of this study is to look at the safety (what are the side effects) and efficacy (how well does it work) of Magnevist (the study drug) used for MRI of the aortic arch and cerebral branches. The results will be compared to the results of MRI taken without Magnevist, and with the results of your X-ray angiography.
This study has previously been posted by Berlex, Inc. Berlex, Inc. has been renamed to Bayer HealthCare Pharmaceuticals, Inc.Bayer HealthCare Pharmaceuticals, Inc.is the sponsor of the trial.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
DIAGNOSTIC
Masking
NONE
Enrollment
123
Gadopentetate dimeglumine (Magnevist Injection), approximately 0.1mmol/kg body weight, single intravenous administration on the study day
Accuracy, sensitivity, and specificity based on quantitative assessment of stenosis assesses by blinded reader
Time frame: Image creation after injection -evaluation at blind read
Diagnostic confidence
Time frame: At blinded and/or open label read of the images
Visual assessment of stenosis
Time frame: At blinded and/or open label read of the images
Difference in degree of stenosis
Time frame: At blinded and/or open label read of the images
Other diagnostic findings
Time frame: At blinded and/or open label read of the images
Location and matching of stenosis
Time frame: At blinded and/or open label read of the images
Image quality
Time frame: At blinded and/or open label read of the images
Image evaluability and presence of artifacts
Time frame: At blinded and/or open label read of the images
Ability to visualize arterial segments
Time frame: At blinded and/or open label read of the images
Proportion of correctly categorized maximum stenosis per segment
Time frame: At blinded and/or open label read of the images
Number of evaluable segments
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Time frame: At blinded and/or open label read of the images
Duration if 2D TOF and CE-MRA
Time frame: At blinded and/or open label read of the images
Patient management
Time frame: From baseline to 24 hours follow-up
Safety variables
Time frame: From baseline to 24 hours follow-up