Prognostic Impact of Cytogenetic Evolution on the Outcome of Allogeneic Stem Cell Transplantation in Patients with Acute Myeloid Leukemia in Nonremission : A Single-Institute Analysis of 212 Recipients
Copyright © 2020 American Society for Transplantation and Cellular Therapy. Published by Elsevier Inc. All rights reserved..
Recent progress in genetic analysis technology has helped researchers understand the pathogenesis of acute myeloid leukemia (AML). Considering this progress, AML karyotype is still one of the most significant prognostic factors that provides risk-adapted treatment approaches. Karyotype changes during treatment have been observed at times, but their prognostic impact is sparse, especially on allogeneic stem cell transplantation (allo-SCT). Here, we retrospectively investigated the effect of chromosomal changes between diagnosis and pretransplantation on the prognosis of allo-SCT by analyzing the outcomes of 212 consecutive patients who underwent allo-SCT for the first time at Toranomon Hospital, Tokyo, Japan, between 2008 and 2018. Cytogenetic abnormalities at diagnosis and pretransplantation were categorized based on the 2017 European Leukemia Net risk stratification. Genetic abnormalities such as FLT3-ITD and NPM1 were not considered in this study due to lack of genetic information in most patients. We defined cytogenetic evolution as chromosomal changes classified from lower category to higher category. Seventeen patients (8%) had cytogenetic evolution between diagnosis and pretransplantation, and they showed a significantly worse relapse rate than those who were categorized in the intermediate group based on the karyotype at diagnosis (3-year confidence interval [CI] of relapse, 57.4% versus 24.9%; P < .01). In multivariate analysis, cytogenetic evolution before allo-SCT had a significant impact on the CI of relapse (hazard ratio [HR], 3.89; CI, 1.75 to 8.67; P < .01), as well as the high score of the hematopoietic cell transplantation-specific comorbidity index (HR, 0.54; CI, 0.31 to 0.94; P = .03), but had no significant impact on overall survival or nonrelapse mortality. These results indicate that cytogenetic evolution has a significant impact after allo-SCT and should be considered during AML treatment.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:26 |
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| Enthalten in: |
Biology of blood and marrow transplantation : journal of the American Society for Blood and Marrow Transplantation - 26(2020), 12 vom: 06. Dez., Seite 2262-2270 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Yuasa, Mitsuhiro [VerfasserIn] |
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| Links: |
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| Themen: |
Acute myeloid leukemia |
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| Anmerkungen: |
Date Completed 23.06.2021 Date Revised 04.12.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.bbmt.2020.08.026 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM31444257X |
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| 245 | 1 | 0 | |a Prognostic Impact of Cytogenetic Evolution on the Outcome of Allogeneic Stem Cell Transplantation in Patients with Acute Myeloid Leukemia in Nonremission |b A Single-Institute Analysis of 212 Recipients |
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| 520 | |a Copyright © 2020 American Society for Transplantation and Cellular Therapy. Published by Elsevier Inc. All rights reserved. | ||
| 520 | |a Recent progress in genetic analysis technology has helped researchers understand the pathogenesis of acute myeloid leukemia (AML). Considering this progress, AML karyotype is still one of the most significant prognostic factors that provides risk-adapted treatment approaches. Karyotype changes during treatment have been observed at times, but their prognostic impact is sparse, especially on allogeneic stem cell transplantation (allo-SCT). Here, we retrospectively investigated the effect of chromosomal changes between diagnosis and pretransplantation on the prognosis of allo-SCT by analyzing the outcomes of 212 consecutive patients who underwent allo-SCT for the first time at Toranomon Hospital, Tokyo, Japan, between 2008 and 2018. Cytogenetic abnormalities at diagnosis and pretransplantation were categorized based on the 2017 European Leukemia Net risk stratification. Genetic abnormalities such as FLT3-ITD and NPM1 were not considered in this study due to lack of genetic information in most patients. We defined cytogenetic evolution as chromosomal changes classified from lower category to higher category. Seventeen patients (8%) had cytogenetic evolution between diagnosis and pretransplantation, and they showed a significantly worse relapse rate than those who were categorized in the intermediate group based on the karyotype at diagnosis (3-year confidence interval [CI] of relapse, 57.4% versus 24.9%; P < .01). In multivariate analysis, cytogenetic evolution before allo-SCT had a significant impact on the CI of relapse (hazard ratio [HR], 3.89; CI, 1.75 to 8.67; P < .01), as well as the high score of the hematopoietic cell transplantation-specific comorbidity index (HR, 0.54; CI, 0.31 to 0.94; P = .03), but had no significant impact on overall survival or nonrelapse mortality. These results indicate that cytogenetic evolution has a significant impact after allo-SCT and should be considered during AML treatment | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a Acute myeloid leukemia | |
| 650 | 4 | |a Allogeneic stem cell transplantation | |
| 650 | 4 | |a Complex karyotype | |
| 650 | 4 | |a Cytogenetic evolution | |
| 650 | 4 | |a Karyotype | |
| 650 | 4 | |a Monosomal karyotype | |
| 700 | 1 | |a Yamamoto, Hisashi |e verfasserin |4 aut | |
| 700 | 1 | |a Mitsuki, Takashi |e verfasserin |4 aut | |
| 700 | 1 | |a Kageyama, Kosei |e verfasserin |4 aut | |
| 700 | 1 | |a Kaji, Daisuke |e verfasserin |4 aut | |
| 700 | 1 | |a Taya, Yuki |e verfasserin |4 aut | |
| 700 | 1 | |a Nishida, Aya |e verfasserin |4 aut | |
| 700 | 1 | |a Ishiwata, Kazuya |e verfasserin |4 aut | |
| 700 | 1 | |a Takagi, Shinsuke |e verfasserin |4 aut | |
| 700 | 1 | |a Yamamoto, Go |e verfasserin |4 aut | |
| 700 | 1 | |a Asano-Mori, Yuki |e verfasserin |4 aut | |
| 700 | 1 | |a Wake, Atsushi |e verfasserin |4 aut | |
| 700 | 1 | |a Koike, Yukako |e verfasserin |4 aut | |
| 700 | 1 | |a Makino, Shigeyoshi |e verfasserin |4 aut | |
| 700 | 1 | |a Uchida, Naoyuki |e verfasserin |4 aut | |
| 700 | 1 | |a Taniguchi, Shuichi |e verfasserin |4 aut | |
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