The primary objective of this sub-study is to calculate the reproducibility and other technical performance measures of various magnetic resonance imaging (MRI) image analysis algorithms in order to assess their suitability for detecting changes due to multiple sclerosis (MS) in a real-world setting in participants with MS. The secondary objective of this sub-study is to use the primary endpoint results to calibrate measurements across scanners within each MS PATHS center.
Study Type
OBSERVATIONAL
Enrollment
30
Research Site
Baltimore, Maryland, United States
Research Site
New York, New York, United States
Research Site
Cleveland, Ohio, United States
Overall Reproducibility of Brain Volume
Time frame: Baseline up to Day 7
Overall Reproducibility of Lesions
Time frame: Baseline up to Day 7
Intrascanner Reproducibility of Brain Volume
Time frame: Baseline up to Day 7
Intrascanner Reproducibility of Lesions
Time frame: Baseline up to Day 7
Interscanner Reproducibility of Brain Volume
Time frame: Baseline up to Day 7
Interscanner Reproducibility of Lesions
Time frame: Baseline up to Day 7
Intra-class Correlation Coefficients (ICCs) Across Repeated Magnetic Resonance Imaging (MRI) for Brain Lesions
Time frame: Baseline up to Day 7
Kappa Coefficients Across Expert Manual Segmentation for Brain Lesions
Time frame: Baseline up to Day 7
Sensitivity and Specificity for Lesion Detection
Time frame: Baseline up to Day 7
Correlation Coefficients of Equation Parameters for Models to Map Brain Volume and Lesion Measurements between Scanners
Time frame: Baseline up to Day 7
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