期刊
MEDICAL ONCOLOGY
卷 28, 期 4, 页码 1618-1623出版社
HUMANA PRESS INC
DOI: 10.1007/s12032-010-9642-9
关键词
ATRA; Acute promyelocytic leukemia; Childhood; Outcome
类别
Reports on childhood APL from developing countries are scarce. We treated 65 APL with two consecutive trials combining ATRA and chemotherapy. Twenty (30.7%) were aged less than 20 years including 11 girls and 9 boys, with a median age of 12 years. Fever at presentation (P = 0.002) and variant APL (P = 0.044) were more frequent in children, while there were no significant difference between children and adults for WBC count, Sanz's score distribution and additional cytogenetic abnormalities. The CR rate was 95% (19/20) in children and 80% (36/45) in adults (P = 0.13). Differentiation syndrome (DS) was less often observed in children (1/20) than in adults (13/45) (P = 0.031). Two children relapsed and died during salvage therapy, and 2 died in CR from infection and from cardiac failure attributed to anthracyclines, while other children remained alive in CR. With a median follow-up of 4 years, 4-year EFS was 75% in children and 71.1% in adults (P = 0.57), while 4-year OS was 75% in children vs. 73.3% in adults (P = 0.72). Our results suggest that, even in the absence of optimal socio-economic condition, ATRA combined with anthracycline-based chemotherapy gives adequate results in childhood APL, as in adults.
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