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    Childhood Acute Myeloid Leukemia/Other Myeloid Malignancies Treatment (PDQ®): Treatment - Health Professional Information [NCI] - Therapy-Related AML / Myelodysplastic Syndromes


    Only a few reports describe the outcome of children undergoing HSCT for t-AML. One study described outcomes of 27 children with t-AML who received related and unrelated donor HSCT. Three-year OS rates were 18.5% ± 7.5% and event-free survival rates were 18.7% ± 7.5%. Poor survival was mainly the result of very high transplant-related mortality (59.6% ± 8.4%).[13] Another study reported a second retrospective single-center experience of 14 patients transplanted for t-AML/t-MDS between 1975 and 2007. Survival was 29%, but in this review only 63% of patients diagnosed with t-AML/t-MDS underwent HSCT.[11] A multicenter study (CCG-2891) looked at outcomes of 24 children with t-AML/t-MDS compared with other children enrolled on the study with de novo AML (n = 898) or MDS (n = 62). Children with t-AML/t-MDS were older and low-risk cytogenetics rarely occurred. Although rates of achieving CR and OS at 3 years were worse in the t-AML/t-MDS group (CR, 50% vs. 72%; P = .016; OS, 26% vs. 47%; P = .007), survival was similar (OS, 45% vs. 53%; P = .87) if patients achieved a CR.[14] The importance of remission to survival in these patients is further illustrated by another single-center report of 21 children undergoing HSCT for t-AML/t-MDS between 1994 and 2009. Of the 21 children, 12 had t-AML (11 in CR at the time of transplant), seven had refractory anemia (for whom induction was not done), and two had refractory anemia with excess blasts. Survival of the entire cohort was 61%; those in remission or with refractory anemia had a disease-free survival of 66%, and for the three patients with more than 5% blasts at the time of HSCT, survival was 0% (P = .015).[15] Because t-AML is rare in children, it is not known whether the significant decrease in transplant-related mortality after unrelated donor HSCT noted over the past several years will translate to improved survival in this population. Patients should be carefully assessed for pre-HSCT morbidities caused by earlier therapies and approaches should be adapted to give adequate intensity while minimizing transplant-related mortality.


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    2. Bolufer P, Collado M, Barragan E, et al.: Profile of polymorphisms of drug-metabolising enzymes and the risk of therapy-related leukaemia. Br J Haematol 136 (4): 590-6, 2007.
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    8. Ogami A, Morimoto A, Hibi S, et al.: Secondary acute promyelocytic leukemia following chemotherapy for non-Hodgkin's lymphoma in a child. J Pediatr Hematol Oncol 26 (7): 427-30, 2004.
    9. Okamoto T, Okada M, Wakae T, et al.: Secondary acute promyelocytic leukemia in a patient with non-Hodgkin's lymphoma treated with VP-16 and MST-16. Int J Hematol 75 (1): 107-8, 2002.
    10. Larson RA: Etiology and management of therapy-related myeloid leukemia. Hematology Am Soc Hematol Educ Program : 453-9, 2007.
    11. Aguilera DG, Vaklavas C, Tsimberidou AM, et al.: Pediatric therapy-related myelodysplastic syndrome/acute myeloid leukemia: the MD Anderson Cancer Center experience. J Pediatr Hematol Oncol 31 (11): 803-11, 2009.
    12. Yokoyama H, Mori S, Kobayashi Y, et al.: Hematopoietic stem cell transplantation for therapy-related myelodysplastic syndrome and acute leukemia: a single-center analysis of 47 patients. Int J Hematol 92 (2): 334-41, 2010.
    13. Woodard P, Barfield R, Hale G, et al.: Outcome of hematopoietic stem cell transplantation for pediatric patients with therapy-related acute myeloid leukemia or myelodysplastic syndrome. Pediatr Blood Cancer 47 (7): 931-5, 2006.
    14. Barnard DR, Lange B, Alonzo TA, et al.: Acute myeloid leukemia and myelodysplastic syndrome in children treated for cancer: comparison with primary presentation. Blood 100 (2): 427-34, 2002.
    15. Kobos R, Steinherz PG, Kernan NA, et al.: Allogeneic hematopoietic stem cell transplantation for pediatric patients with treatment-related myelodysplastic syndrome or acute myelogenous leukemia. Biol Blood Marrow Transplant 18 (3): 473-80, 2012.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Public Information from the National Cancer Institute

    Last Updated: May 28, 2015
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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