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International Journal of Hematology-Oncology and Stem Cell Research، جلد ۱۱، شماره ۱، صفحات ۳۰-۳۶
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عنوان انگلیسی Characterization of Patients with Chronic Myeloid Leukemia Unresponsive to Tyrosine Kinase Inhibitors who Underwent Allogeneic Hematopoietic Stem Cell Transplantation
چکیده انگلیسی مقاله Background: Tyrosine kinase inhibitors (TKIs) were the first drugs to use an intracellular signaling molecule as a therapeutic target. Unresponsiveness to TKIs limits therapeutic options, making allogeneic hematopoietic stem cell transplantation (HSCT) the only option leading to molecular remission. The aim of this study is to characterize CML patients unresponsive to first- and/or second-generation TKI therapy who underwent HSCT and to describe the main factors associated with treatment failure. Subjects and Methods: Twenty one CML patients who underwent allogeneic HSCT and had previously used first- and/or second-generation TKIs from January 2005 to May 2014. Results: Of the 21 patients, 52.4% were male, with a median age of 49 years (23-65 years) and 85.7% had chronic phase CML at the time of diagnosis; 28.6% showed inadequate treatment adherence to TKI therapy. Thirteen patients were resistant and eight were intolerant to TKIs; additionally, nine did not have T315I mutation. Ten transplantations involved related donors, and more than a half of patients (11) died, three of which due to graft failure. Most patients who survived transplantation were in the chronic phase of disease at the time of HSCT. Conclusion: The population was composed mainly of young age patients at diagnosis, male, white, and coming from areas in the state of Rio Grande do Sul other than Porto Alegre and metropolitan region. Low adherence to TKI therapy may be related to unresponsiveness to treatment, especially in patients with acquired resistance, or this low adherence, together with the presence of molecular changes, may have led to the need for HSCT.
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نویسندگان مقاله franceli carvalho | franceli carvalho
service of pharmacy, hospital de clínicas de porto alegre hcpa , porto alegre, rs, brazil


joice zuckermann | joice zuckermann
service of hematology and bone marrow transplantation hcpa , porto alegre, rs, brazil


alessandra پاز | alessandra paz
service of hematology and bone marrow transplantation hcpa , porto alegre, rs, brazil


gustavo fischer | gustavo fischer
service of hematology and bone marrow transplantation hcpa , porto alegre, rs, brazil


liane esteves daudt | liane esteves daudt
service of hematology and bone marrow transplantation hcpa , porto alegre, rs, brazil


lisandra della costa rigoni | lisandra della costa rigoni
service of hematology and bone marrow transplantation hcpa , porto alegre, rs, brazil


lúcia silla | lúcia silla
service of hematology and bone marrow transplantation hcpa , porto alegre, rs, brazil


لورا fogliatto | laura fogliatto
department of analyses, school of pharmacy, universidade federal do rio grande do sul ufrgs , porto alegre, rs, brazil


سیمونه martins de castro | simone martins de castro
department of analyses, school of pharmacy, universidade federal do rio grande do sul ufrgs , porto alegre, rs, brazil


diogo andré pilger | diogo andré pilger


نشانی اینترنتی http://ijhoscr.tums.ac.ir/index.php/ijhoscr/article/view/585
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/78/article-78-430395.pdf
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Articles
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