Association of MTHFR Polymorphisms With Leukoencephalopathy Risk in Patients With Primary CNS Lymphoma Treated With Methotrexate-Based Regimens
Karschnia P, Kurz S, Brastianos P, Winter S, Gordon A, Jones S, Pisapia M, Nayyar N, Tonn J, Batchelor T, Plotkin S, Dietrich J. Association of MTHFR Polymorphisms With Leukoencephalopathy Risk in Patients With Primary CNS Lymphoma Treated With Methotrexate-Based Regimens. Neurology 2023, 101: e1741-e1746. PMID: 37527941, PMCID: PMC10624483, DOI: 10.1212/wnl.0000000000207670.Peer-Reviewed Original ResearchConceptsPrimary CNS lymphomaCNS lymphomaHD-MTXMethylenetetrahydrofolate reductaseResponse to induction therapyAssociation of MTHFR polymorphismsMethotrexate-based regimensSeverity of leukoencephalopathyProgression-free survivalHigh-dose methotrexateRisk of leukoencephalopathyAssociated with increased frequencyAssociated with leukoencephalopathyInduction chemotherapyDecreased functional statusInduction therapyOverall survivalMassachusetts General HospitalMTX clearanceMTHFR polymorphismsFolate depletionLeukoencephalopathyPatientsElevated riskFunctional status