We observed no significant differences (p > 0.05) between AML patients with DNMT3A or FLT3 gene mutations and variant genotype in the case of CAT C262T, GPX1 Pro198Leu, MnSOD Ala16Val, GSTP1 Ile105Val, GSTM1, and GSTT1. The gene discussed is FLT3; the disease is acute myeloid leukemia.