Drug-induced liver injury can halt liver-metabolized drug development or cause withdrawal from the market. Toxicologists lack appropriate and reproducible assays. We present repeatability and reproducibility results from a multi-center study with dynamic gadoxetate-enhanced MR imaging biomarkers of hepatic transporter-mediated injury in rats. Our study supports the development of a validated liver function-specific quantitative MR imaging biomarker, and we demonstrate that the biomarkers are repeatable and that the previously reported MR assay findings are reproducible across three centers.
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