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Allogeneic hematopoietic cell transplantation in patients with juvenile myelomonocytic leukemia in Korea: a report of the Korean Pediatric Hematology-Oncology Group
- Title
- Allogeneic hematopoietic cell transplantation in patients with juvenile myelomonocytic leukemia in Korea: a report of the Korean Pediatric Hematology-Oncology Group
- Authors
- Yi E.S.; Kim S.K.; Ju H.Y.; Lee J.W.; Cho B.; Kim B.K.; Kang H.J.; Baek H.J.; Kook H.; Yang E.J.; Lim Y.T.; Ahn W.K.; Hahn S.M.; Park S.K.; Yoo E.S.; Yoo K.H.
- Ewha Authors
- 유은선
- SCOPUS Author ID
- 유은선
- Issue Date
- 2023
- Journal Title
- Bone Marrow Transplantation
- ISSN
- 0268-3369
- Citation
- Bone Marrow Transplantation vol. 58, no. 1, pp. 20 - 29
- Publisher
- Springer Nature
- Indexed
- SCIE; SCOPUS
- Document Type
- Article
- Abstract
- Juvenile myelomonocytic leukemia (JMML) is a life-threatening myeloproliferative neoplasm. This multicenter study evaluated the characteristics, outcomes, and prognostic factors of allogeneic hematopoietic cell transplantation (HCT) in recipients with JMML who were diagnosed between 2000 and 2019 in Korea. Sixty-eight patients were retrospectively enrolled—28 patients (41.2%) received HCT during 2000–2010 and 40 patients (58.8%) during 2011–2020. The proportion of familial mismatched donors increased from 3.6 to 37.5%. The most common conditioning therapy was changed from Busulfan/Cyclophosphamide-based to Busulfan/Fludarabine-based therapy. The 5-year probabilities of event-free survival (EFS) and overall survival (OS) were 52.6% and 62.3%, respectively. The 5-year incidence of transplant-related mortality was 30.1%. Multivariate analysis revealed that the proportion of hemoglobin F ≥ 40%, abnormal cytogenetics, and matched sibling donors were independent risk factors for a higher relapse rate. Patients whose donor chimerism was below 99% had a significantly higher relapse rate. Better OS and lower treatment-related mortality were observed in patients with chronic graft-versus-host disease (GVHD), whereas grade III or IV acute GVHD was associated with worse EFS. In conclusion, the number of transplant increased along with the increase in alternative donor transplants, nevertheless, similar results were maintained. Alternative donor transplantation should be encouraged. © 2022, The Author(s), under exclusive licence to Springer Nature Limited.
- DOI
- 10.1038/s41409-022-01826-z
- Appears in Collections:
- 의과대학 > 의학과 > Journal papers
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