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Hematology 2006
© 2006 The American Society of Hematology

Treatment of Acute Promyelocytic Leukemia

Miguel A. Sanz

Correspondence: Miguel A. Sanz, MD, PhD, Servicio de Hematología, Hospital Universitario La Fe, Av. Campanar 21, 46009 Valencia, Spain; Phone +34-96-196 3057; Fax +34-96-196 3281; E-mail msanz{at}uv.es

Abstract

Cure of acute promyelocytic leukemia (APL) is now a possibility for most patients through the use of state-of-the-art treatments, which include simultaneous administration of all-trans retinoic acid (ATRA) and anthracycline-based chemotherapy for induction and consolidation, as well as ATRA-based maintenance. Risk-adapted strategies to modulate treatment intensity may be an effective approach to minimize therapy-related morbidity and mortality while maintaining the potential of cure. In this context, there is no role for hematopoietic stem cell transplantation (HSCT) in front-line therapy, except for the small fraction of patients with persistent minimal residual disease at the end of consolidation. However, HSCT plays an important role for patients in second complete remission. In contrast, an increasing role of arsenic trioxide (ATO) is emerging. Given the high antileukemic efficacy observed with ATO in patients relapsing after ATRA-containing regimens, this agent is currently regarded as the best treatment option in this setting. However, until a randomized comparison between the standard therapy and ATO-based regimens in front-line therapy is available, this latter approach should only be recommended for unfit patients for whom chemotherapy is contraindicated. In addition to reviewing current consensus and controversial issues on antileukemic strategies, this review addresses other aspects that can be crucial for the outcome of individual patients. These aspects include supportive care, recognition and treatment of life-threatening complications, evaluation of response, and, finally, management of the disease in special conditions such as older patients, children and pregnant women.


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Copyright © 2006 by the American Society of Hematology.