Navigating methotrexate toxicity: Examining the therapeutic roles of folinic acid and glucarpidase
Betty S. Chan,
Annmarie A. Bosco,
Nicholas A. Buckley
Abstract:Methotrexate (MTX) toxicity varies depending on factors such as dosing frequency (acute or repeated), dosage (low or high) and the administration route (oral, parenteral or intrathecal). Renal impairment can trigger or exacerbate MTX toxicity. Acute oral low‐dose MTX (LDMTX) overdoses seldom lead to toxicity due to the saturable maximal bioavailable dose, but toxicity risks increase with repeated low doses (>3 days), high‐dose MTX (HDMTX) or intrathecal poisoning. Folinic acid shares MTX transporters in the… Show more
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