ABCB1 and acute myeloid leukemia: Green et al, informed association between ABCB1 (1236C > T, rs1128503), GG genotype with decreased survival when treated with cytarabine in AML patients as compared with AA + AG genotypes,26 in our cohort we found for ABCB1 (1236C > T, rs1128503) GG genotype an increased risk for cardiotoxicity 6.8 OR (CI 95% 1.08–42.73, p = .044), while AA or GA genotype were a protective factor against cardiotoxicity OR 0.14 (CI 95% 0.023–0.92, p = .044).