Altered Folate Homeostasis in Children with Down Syndrome: A Potential Basis for Enhanced Methotrexate Toxicity.

Funk, Ryan S; Talib, Nasreen J; Zimmerman, Kanecia O; van Haandel, Leon; Becker, Mara L · J Pediatr · 2020

case_report · Level V

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Abstract

Methotrexate is used to treat autoimmune and oncologic diseases in children with Down syndrome. However, increased methotrexate-related toxicity is reported in this population. We evaluated differences in the concentrations and distribution of erythrocyte folates in children with Down syndrome as a potential basis for this enhanced toxicity.

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