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KMID : 0191120210360190128
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Journal of Korean Medical Science
2021 Volume.36 No. 19 p.128 ~ p.128
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Conditioning with 10 Gy Total Body Irradiation, Cyclophosphamide, and Fludarabine without ATG Is Associated with Improved Outcome of Cord Blood Transplantation in Children with Acute Leukemia
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Cho Hee-Won
Ju Hee-Young
Hyun Ju-Kyung
Lee Ji-Won
Sung Ki-Woong
Koo Hong-Hoe
Lim Do-Hoon
Yoo Keon-Hee
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Abstract
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Background: The optimal conditioning regimen in cord blood transplantation (CBT) needs to be determined. This study aimed to identify the impact of conditioning regimen on the outcome of CBT in children with acute leukemia.
Methods: Medical records of patients with acute leukemia who received CBT were retrospectively reviewed.
Results: A total of 71 patients were allocated into 2 groups; patients who received total body irradiation 10 Gy, cyclophosphamide 120 mg/kg, and fludarabine 75 mg/m2 were named as TCF group (n = 18), while the non-TCF group (n = 53) included patients conditioned with regimens other than the TCF regimen. All patients in the TCF group were successfully engrafted, while 22.6% in the non-TCF group (n = 12) failed to achieve donor-origin hematopoiesis (P = 0.028). The incidence of cytomegalovirus diseases was 5.6% in the TCF group and 30.2% in the non-TCF group (P = 0.029). The 5-year overall survival rates of the TCF and non-TCF groups were 77.8% and 44.2%, respectively (P = 0.017).
Conclusion: Patients conditioned with the TCF regimen achieved better engraftment and survival rates, less suffering from cytomegalovirus disease. Our data suggest that the TCF regimen is a preferred option for CBT in children with acute leukemia.
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KEYWORD
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Total Body Irradiation, Cyclophosphamide, Fludarabine, Cord Blood Transplantation, Acute Leukemia, Children
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