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| Description
| - Background. The Recommendations of the European Leukemia Net (ELN) have become an essential tool in the management and prognosis of patients with chronic myeloid leukemia (CML) treated with tyrosine kinase inhibitors (TKIs). However, the definition of suboptimal response remains under discussion. Methods. We used conventional cytogenetics for the detection of clonal changes in Ph-positive and negative clones. RT-PCR and sequencing were carried out on peripheral blood leukocytes to detect the type of BCR-ABL1 transcript. The BCR-ABL1 mutational status was assessed using sequencing of RT-PCR products. High performance capillary electrophoresis for determination of imatinib (IMA) plasma concentration was used. Results. A retrospective study of 110 patients diagnosed with chronic-phase (CP) CML treated with IMA or 2nd generation TKIs in the years 2000-2009 focused on analysis of patients with suboptimal response according to ELN criteria. 40 patients were administered IMA as first-line therapy and 70 had been pretreated with interferon-alpha (IFN-?) with or without Ara-C and/or hydroxyurea (HU) for a median 12 months (range, 1-92 months). After adjusting for the ELN criteria, major molecular response (MMR) was achieved after median 34 and 39 months in 66.7% and 41.7% of patients after the first and second-line IMA therapy with suboptimal response defined as lack of achievement of MMR at the 18th month of treatment, respectively. In comparison to patients with optimal response, patients with suboptimal response did not show significant differences in overall survival (OS) or progression-free survival (PFS).
- Background. The Recommendations of the European Leukemia Net (ELN) have become an essential tool in the management and prognosis of patients with chronic myeloid leukemia (CML) treated with tyrosine kinase inhibitors (TKIs). However, the definition of suboptimal response remains under discussion. Methods. We used conventional cytogenetics for the detection of clonal changes in Ph-positive and negative clones. RT-PCR and sequencing were carried out on peripheral blood leukocytes to detect the type of BCR-ABL1 transcript. The BCR-ABL1 mutational status was assessed using sequencing of RT-PCR products. High performance capillary electrophoresis for determination of imatinib (IMA) plasma concentration was used. Results. A retrospective study of 110 patients diagnosed with chronic-phase (CP) CML treated with IMA or 2nd generation TKIs in the years 2000-2009 focused on analysis of patients with suboptimal response according to ELN criteria. 40 patients were administered IMA as first-line therapy and 70 had been pretreated with interferon-alpha (IFN-?) with or without Ara-C and/or hydroxyurea (HU) for a median 12 months (range, 1-92 months). After adjusting for the ELN criteria, major molecular response (MMR) was achieved after median 34 and 39 months in 66.7% and 41.7% of patients after the first and second-line IMA therapy with suboptimal response defined as lack of achievement of MMR at the 18th month of treatment, respectively. In comparison to patients with optimal response, patients with suboptimal response did not show significant differences in overall survival (OS) or progression-free survival (PFS). (en)
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| Title
| - A significant proportion of patients with chronic myeloid leukemia and suboptimal response according to European Leukemia Net criteria have excellent prognosis without treatment change
- A significant proportion of patients with chronic myeloid leukemia and suboptimal response according to European Leukemia Net criteria have excellent prognosis without treatment change (en)
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| skos:prefLabel
| - A significant proportion of patients with chronic myeloid leukemia and suboptimal response according to European Leukemia Net criteria have excellent prognosis without treatment change
- A significant proportion of patients with chronic myeloid leukemia and suboptimal response according to European Leukemia Net criteria have excellent prognosis without treatment change (en)
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| skos:notation
| - RIV/61989592:15110/13:33142572!RIV14-MZ0-15110___
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| http://linked.open...avai/predkladatel
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/61989592:15110/13:33142572
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - suboptimal response; ELN recommendations; chronic myeloid leukemia (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Biomedical Papers-Olomouc
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Faber, Edgar
- Indrák, Karel
- Jarošová, Marie
- Rohoň, Peter
- Divoká, Martina
- Rožmanová, Šárka
- Friedecký, David
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| issn
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| number of pages
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| http://bibframe.org/vocab/doi
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| http://localhost/t...ganizacniJednotka
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