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KMID : 1103620210310030082
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Korean Journal of Aerospace and Environmental Medicine
2021 Volume.31 No. 3 p.82 ~ p.83
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A Pilot with Chronic Myeloid Leukemia: Aeromedical Assessment
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Jang Joung-Soon
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Abstract
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Chronic myeloid leukemia (CML) is myeloproliferative neoplasm associated with a characteristic chromosomal translocation (bcr-abl) called Philadelphia chromosome which plays a key role in the pathogenesis. Approximately 85% of patients with CML are in the chronic phase at the time of diagnosis. During this phase, patients are well tolerated and have few symptoms. But untreated, over the course of several years progresses to an accelerated phase and ultimately to a blast crisis, the terminal phase. CML is largely treated with targeted drug therapy called tyrosine-kinase inhibitors (TKIs) which have led to dramatically improved long-term survival rates since 2001. These drugs became standard treatment of this disease and allow most patients to have much better quality of life when compared to the former chemotherapy drugs and the bone marrow transplantation. Imatinib (Gleevec or Glivec, Norvatis) was the first of these TKIs and found to inhibit the progression of CML in the majority of patients (65%?75%) sufficiently to achieve remission. Since the advent of imatinib, CML has become the first neoplasm in which a medical treatment can give to the patient a normal life expectancy.
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KEYWORD
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Chronic leukemia, Tyrosine kinase inhibitor, Dasatinib
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