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논문 기본 정보

자료유형
학술저널
저자정보
Wonjin Jang (Division of Hematology and Oncology Department of Pediatrics College of Medicine The Catholic Unive) Suejung Jo (Division of Hematology and Oncology Department of Pediatrics College of Medicine The Catholic Unive) Jae Won Yoo (Division of Hematology and Oncology Department of Pediatrics College of Medicine The Catholic Unive) Seongkoo Kim (Division of Hematology and Oncology Department of Pediatrics College of Medicine The Catholic Unive) Jae Wook Lee (Division of Hematology and Oncology Department of Pediatrics College of Medicine The Catholic Unive) Pil-Sang Jang (Division of Hematology and Oncology Department of Pediatrics College of Medicine The Catholic Unive) Nack-Gyun Chung (Division of Hematology and Oncology Department of Pediatrics College of Medicine The Catholic Unive) Bin Cho (Division of Hematology and Oncology Department of Pediatrics College of Medicine The Catholic Unive)
저널정보
대한혈액학회 Blood Research Blood Research Vol.57 No.4
발행연도
2022.12
수록면
256 - 263 (8page)
DOI
10.5045/br.2022.2022174

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Background Allogeneic HSCT may improve survival in pediatric ALL patients who relapse. In this study, we analyzed the outcome and prognostic factors of 62 ALL patients (35 male, 56.5%) who received allogeneic HSCT in second complete remission (CR) at our institution between April 1st 2009 and December 31st 2019. Methods The median time from diagnosis to relapse was 35.1 months (range, 6.0‒113.6 mo). Fifty-three patients (85.5%) experienced bone marrow relapse only. The number of patients who received transplant according to each donor type was as follows: HLA matched family donor 17 (27.4%), matched unrelated donor (UD) 22 (35.5%), mismatched donor 23 (37.1%). All patients received HSCT with a myeloablative conditioning, 58 patients (93.5%) with the incorporation of TBI [31 patients 12 Gray (Gy), 24 patients 13.2 Gy, 3 patients 8 Gy]. Results The 5-year event-free survival (EFS), and overall survival of the study group was 41.3±6.3% (26/62), and 42.3±6.6% (27/62), respectively. The cumulative incidence of relapse and transplant-related mortality was 57.1±6.4% and 1.6±1.6%, respectively. Infant ALL, shorter time from diagnosis to relapse, and TBI dose of 12 Gy, rather than 13.2 Gy, resulted in significantly worse EFS. In multivariate analysis, infant ALL and TBI dose of 12 Gy during conditioning predicted significantly lower EFS. Conclusion In our study group, treatment with a higher dose of TBI during conditioning resulted in better EFS for ALL patients who underwent HSCT in second CR. Further study is needed to determine potential long-term complications associated with a higher TBI dose.

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