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BACKGROUND: Data on the impact of age in acute myeloid leukemia (AML) patients 16 to 5% bone marrow blasts after induction. EFS was especially poor in young adults, with blasts >5%. The blast count after induction was of no prognostic value in patients with favorable karyotypes, but a significant risk factor in patients with other cytogenetics. CONCLUSIONS: Biologic data differed mainly between infants and older age groups. When comparing the same age groups, outcome was similar between the trial groups, which differed from reports concerning acute lymphoblastic leukemia. However, the prognosis decreased after childhood independent of other risk factors. This indicates that even in the younger cohorts increasing age may be an additional unfavorable factor.
Creutzig et al. (Wed,) studied this question.