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Medline ® Abstract for Reference 16

of 'Treatment of relapsed or refractory acute myeloid leukemia'

Efficacy of etoposide and mitoxantrone in patients with acute myelogenous leukemia refractory to standard induction therapy and intermediate-dose cytarabine with amsidine. Dutch Hematology-Oncology Working Group for Adults (HOVON).
Daenen S, Löwenberg B, Sonneveld P, van Putten WL, Verhoef G, Verdonck LF, van Veldhoven M, Huijgens PC
Leukemia. 1994;8(1):6.
Thirty-seven newly diagnosed patients with acute myeloid leukemia (AML) who were not in complete remission (CR) after induction chemotherapy with cytarabine and daunorubicin followed by intermediate-dose cytarabine and amsacrine, were treated with mitoxantrone and etoposide in a prospective, open multicenter study. The aim was to examine the efficacy and the toxicity of mitoxantrone and etoposide in a patient population with bad prognosis because of refractoriness to two standardized induction courses. Twelve patients attained CR (32.4%). Responders were found only among the patients with documented susceptibility (i.e. partial remission) to the previous therapy. In responding patients the median remission duration and disease-free survival was 15+ months (range 3-52+). Toxicity was mainly hematologic and characterized by prolonged hypoplasia; one patient died in aplasia. Granulocytes and platelets recovered unexpectedly early in six of 22 non-responders. This study suggests that AML patients refractory to two standardized chemotherapy courses can still attain a durable CR after an additional course, here with mitoxantrone and etoposide, provided they show some responsiveness to the previously given cytostatic drugs.
University of Groningen, The Netherlands.