Published in:
01-09-2012 | Original Paper
Prognostic implications of additional chromosome abnormalities among patients with de novo acute promyelocytic leukemia with t(15;17)
Authors:
Peter H. Wiernik, Zhuoxin Sun, Holly Gundacker, Gordon Dewald, Marilyn L. Slovak, Elisabeth Paietta, Haesook T. Kim, Frederick R. Appelbaum, Peter A. Cassileth, Martin S. Tallman
Published in:
Medical Oncology
|
Issue 3/2012
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Abstract
This retrospective study performed by the Eastern Cooperative Oncology Group and the Southwest Oncology Group enrolled 140 acute promyelocytic leukemia (APL) patients with t(15;17) to determine the influence of additional karyotypic abnormalities on treatment outcome. Karyotypes were centrally reviewed by both study groups. The complete response rate after induction for patients with t(15;17) treated with chemotherapy, or all-trans retinoic acid (ATRA) as induction therapy was not affected by additional cytogenetic aberrations. Disease-free (DFS) and overall survival (OS) were unaffected by additional cytogenetic abnormalities if treatment was chemotherapy without ATRA. Patients with t(15;17) only, treated with ATRA with or without chemotherapy, had an improved DFS (P = 0.06) and a better OS (P = 0.01) compared with ATRA-treated patients with additional cytogenetic abnormalities. Patients with APL and t(15;17) alone are significantly more sensitive to treatment with ATRA than are patients with t(15;17) and additional cytogenetic abnormalities.