BACKGROUND: Little is known about outcomes of acute myeloid leukemia (AML) in adolescents and young adults (AYA). The purpose of this study is to determine the characteristics and outcomes of AYA AML patients in comparison to older adult patients with AML. PATIENTS AND METHODS: We retrospectively analyzed all AML patients treated at our institution from 1965 to 2009 who were aged 16 to 29 years. RESULTS: Among 3922 adult AML patients treated during this period, 432 (11%) were identified as AYA. Median age was 23 years (range, 16-29 years); 73 (17%) patients had core binding factor (CBF)-AML [inversion (16), translocation (8:21)], and 51 (12%) had acute promyelocytic leukemia. Complete remission (CR) rates were 93% for CBF AML, 78% for APL, 77% with diploid karyotype, and 68% for other AML. Univariate analysis demonstrated higher rates of CR, CR duration, and overall survival (OS) in the AYA group compared with older patients. On multivariate analysis, AYA age group was independently associated with improved CR rate and CR duration, with a trend for longer OS (P = .085). CONCLUSION: Outcome of AYA AML patients is overall better than for older adults with AML. Despite improvements in treatments and outcomes over time, there is still need for improvement in AYA with AML particularly for those with AML other than CBF and APL.
BACKGROUND: Little is known about outcomes of acute myeloid leukemia (AML) in adolescents and young adults (AYA). The purpose of this study is to determine the characteristics and outcomes of AYAAMLpatients in comparison to older adult patients with AML. PATIENTS AND METHODS: We retrospectively analyzed all AMLpatients treated at our institution from 1965 to 2009 who were aged 16 to 29 years. RESULTS: Among 3922 adult AMLpatients treated during this period, 432 (11%) were identified as AYA. Median age was 23 years (range, 16-29 years); 73 (17%) patients had core binding factor (CBF)-AML [inversion (16), translocation (8:21)], and 51 (12%) had acute promyelocytic leukemia. Complete remission (CR) rates were 93% for CBFAML, 78% for APL, 77% with diploid karyotype, and 68% for other AML. Univariate analysis demonstrated higher rates of CR, CR duration, and overall survival (OS) in the AYA group compared with older patients. On multivariate analysis, AYA age group was independently associated with improved CR rate and CR duration, with a trend for longer OS (P = .085). CONCLUSION: Outcome of AYAAMLpatients is overall better than for older adults with AML. Despite improvements in treatments and outcomes over time, there is still need for improvement in AYA with AML particularly for those with AML other than CBF and APL.
Authors: H Kiyoi; T Naoe; Y Nakano; S Yokota; S Minami; S Miyawaki; N Asou; K Kuriyama; I Jinnai; C Shimazaki; H Akiyama; K Saito; H Oh; T Motoji; E Omoto; H Saito; R Ohno; R Ueda Journal: Blood Date: 1999-05-01 Impact factor: 22.113
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