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Cancer. 2012 Jan 15;118(2):428-33. doi: 10.1002/cncr.26290. Epub 2011 Jun 29.

High-dose cytarabine induction is well tolerated and active in patients with de novo acute myeloid leukemia older than 60 years.

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1
Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory University, Atlanta, Georgia 30322, USA. marella@emory.edu

Abstract

BACKGROUND:

High-dose cytarabine (HiDAC) is safe and very effective in younger patients with acute myeloid leukemia (AML), but it generally is not well tolerated in the elderly.

METHODS:

The authors explored the safety and tolerability of a modified HiDAC induction regimen consisting of 6 daily doses of cytarabine at 2 g/m(2) in combination with 3 daily doses of daunorubicin at 45 mg/m(2) in 59 consecutive patients aged >60 years who had de novo AML diagnosed between July 1996 and February 2005.

RESULTS:

The median patient age was 68 years (range, 60-86 years). The regimen was well tolerated. Infections were common and occurred in 39% of patients, but cerebellar toxicities occurred in only 7% of patients and were reversible. The day-30 induction-related mortality rate was 10%. Overall, 69% of patients achieved complete remissions (CR), and 80% received up to 3 consolidations with HiDAC. The median follow-up for surviving patients was 53 months (range, 17-114 months). The median overall survival was 15.3 months (range, 1-114 months), and the relapse-free survival was 13.8 months (range, 1-113 months). Survival for patients who achieved CR was 27 months (range, 2-114 months).

CONCLUSIONS:

The modified HiDAC regimen was well tolerated in patients aged >60 years with AML and was associated with low induction mortality and high rates of CR. Nevertheless, these high remissions still were associated with poor overall outcomes.

PMID:
21717443
DOI:
10.1002/cncr.26290
[Indexed for MEDLINE]
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