Mount Sinai Health System Jun 15 2026 A new multicenter study led by researchers at the Icahn School of Medicine at Mount Sinai suggests that a novel electronic health record-based marker can help clinicians identify transplant patients at high risk for organ rejection due to not taking their medications as prescribed-and intervene before the rejection happens. The study, published in the American Journal of Transplantation , evaluated the use of the medication level variability index (MLVI), a