Abstract
From November 1, 1995 to July 31, 2004, 49 children with de novo acute myeloid leukemia (AML) were treated at our institution. One patient who was treated by a different protocol was excluded. In total, 48 patients with de novo AML were enrolled in this study. Forty-two patients with AML other than acute promyelocytic leukemia (non-APL) were treated consecutively with 2 novel protocols: Mackay Memorial Hospital (MMH)-AML-96, designed as a pilot phase, and Taiwan Pediatric Oncology Group (TPOG)-AML-97A, on the basis of MMH-AML-96 with minor modifications. Six patients with APL were treated consecutively with 2 protocols, TPOG-APL-97 and APL-2001. As of July 31, 2006, the remission rates were 79%, 92%, and 98% after 1, 2, and 3 courses of induction therapy, respectively. The 5-year overall survival was 64%+/-6.9% (SE), and the 5-year event-free survival was 60%+/-7.1%; for non-APL AML, the rates were 62%+/-7.5% and 59%+/-7.6%; for APL, 83+/-15.2 and 67+/-19.3%. Among the factors analyzed, a complete remission achieved after 1 course of induction therapy, lactate dehydrogenase <500 IU/L at diagnosis, patients without invasive fungal infection during chemotherapy, and male sex were associated with a favorable outcome.
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