Survivorship and Adverse Late Sequelae
While the issues of long term complications of cancer and its treatment cross many disease categories, there are several important issues that relate to the treatment of myeloid malignancies that are worth stressing. (Refer to the PDQ summary on Late Effects of Treatment for Childhood Cancer for more information.)
In a review from one institution, the highest frequency of adverse long-term sequelae for children treated for acute myeloid leukemia (AML) included the following incidence rates: growth abnormalities (51%), neurocognitive abnormalities (30%), transfusion acquired hepatitis (28%), infertility (25%), endocrinopathies (16%), restrictive lung disease (20%), chronic graft-versus-host disease (20%), secondary malignancies (14%), and cataract (12%).[1] Of note is that most of these adverse sequelae are the consequence of myeloablative, allogeneic, hematopoietic stem cell transplantation. Although cardiac abnormalities were reported in only 8% of patients, this is an issue that may be particularly relevant with the current use of increased anthracyclines in clinical trials for children with newly diagnosed AML. New therapeutic approaches to reduce long-term adverse sequelae are needed, but without reducing the antileukemic efficacy of treatment as relapsed leukemia is still the primary cause of death in patients with AML.
References
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Leung W, Hudson MM, Strickland DK, et al.: Late effects of treatment in survivors of childhood acute myeloid leukemia. J Clin Oncol 18 (18): 3273-9, 2000.
[PUBMED Abstract]
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