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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/32277
Title: Sequential administration of methotrexate and asparaginase in relapsed or refractory pediatric acute myeloid leukemia
Authors: Jassada Buaboonnam
Xueyuan Cao
Jennifer L. Pauley
Ching Hon Pui
Raul C. Ribeiro
Jeffrey E. Rubnitz
Hiroto Inaba
St. Jude Children's Research Hospital
Mahidol University
University of Tennessee Health Science Center
Keywords: Medicine
Issue Date: 1-Jul-2013
Citation: Pediatric Blood and Cancer. Vol.60, No.7 (2013), 1161-1164
Abstract: Background: The efficacy of combination chemotherapy with methotrexate (MTX) and asparaginase is not well known in relapsed and refractory acute leukemia after contemporary therapy. Procedure: A retrospective study of pediatric patients with relapsed or refractory acute myeloid leukemia (AML) who received MTX and asparaginase as a salvage therapy at St. Jude Children Research Hospital was performed. MTX was given intravenously followed by a dose of asparaginase intramuscularly or intravenously 24hours later. The chemotherapy cycle was repeated every 7-10 days. Response, survival, and toxicities were evaluated. Results: Fifteen patients, median age 10.5 years (range, 1.1-18.5 years), were treated. Median number of previous therapeutic regimens was three (range, 1-4). Six patients responded to treatment (three had morphologic complete remission with incomplete blood count recovery, two had partial remission, and one had stable disease for 16 months), and four are still alive. Three of six responders had monoblastic leukemia, and also developed tumor lysis syndrome. The 1- and 2-year overall survival rates are 35.6% and 17.8%, respectively. The most common adverse event was transient elevation of transaminases (nine patients). Two patients developed pancreatitis. Episodes of febrile neutropenia were rare (two patients), and most courses (75 out of 93 total courses) were given in an outpatient setting. Conclusions: Combination chemotherapy with MTX and asparaginase appears to be an effective salvage therapy and well tolerated in patients with relapsed or refractory childhood AML, even in those heavily pretreated with contemporary frontline or salvage therapy. © 2013 Wiley Periodicals, Inc.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84878260418&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/32277
ISSN: 15455017
15455009
Appears in Collections:Scopus 2011-2015

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