The efficacy and safety of third-party umbilical blood/umbilical cord mesenchymal stem cell assisted related haploid hematopoietic stem cell transplantation in pediatric patients with acute leukemia: an observational study.
Chang Liu, Minyuan Liu, Xin Liu, Bohan Li, Li Gao, Shuiyan Wu, Qi Ji, Zhiqi Zhang, Senlin Zhang, Peifang Xiao, Jun Lu, Jie Li, Shaoyan Hu
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引用次数: 0
Abstract
Background: There is limited data on third-party umbilical cord blood (UCB) or mesenchymal stem cell (MSC) transplantation-assisted haploidentical hematopoietic stem cell transplantation (haplo-HSCT) in pediatric patients.
Objective: To evaluate the efficacy and safety of UCB and MSC transplantation-assisted haplo-HSCT in pediatric patients with acute leukemia (AL).
Design: Observational study.
Methods: Clinical data of 152 children with AL undergoing haplo-HSCT at the Children's Hospital of Soochow University between January 2020 and June 2022 were collected. The patients were divided into the haplo-HSCT + UCB group (n = 76), haplo-HSCT + MSC group (n = 31), and haplo-HSCT group (n = 45). Hematopoietic reconstruction time, complications within 30 days after transplantation, and survival and recurrence at 3 years after transplantation were compared among the groups.
Results: Multivariate analysis revealed that haplo-HSCT with MSC and human leukocyte antigen (HLA) matching ⩾6/10 were independent factors reducing engraftment syndrome (ES) incidence. There were no significant differences among the groups in the hematopoietic reconstruction time or incidence of complications within 30 days after transplantation (p > 0.05). Overall survival, relapse-free survival, cumulative incidence of relapse, cumulative incidence of hematological relapse, and 3-year transplant-related mortality were not significantly different (p > 0.05). The incidence of adverse reactions in the haplo-HSCT + UCB group was 97.3% within 4 h after UCB infusion, with a particularly high occurrence rate of 94.7% for hypertension. No transfusion-related adverse reactions occurred after the transfusion of umbilical cord MSC in the haplo-HSCT + MSC group.
Conclusion: MSC-assisted haplo-HSCT can reduce ES incidence after transplantation in pediatric patients with AL. UCB infusion is associated with a high incidence of reversible hypertension. However, no adverse reactions were observed in umbilical cord MSC transfusion.
期刊介绍：
Therapeutic Advances in Hematology delivers the highest quality peer-reviewed articles, reviews, and scholarly comment on pioneering efforts and innovative studies across all areas of hematology. The journal has a strong clinical and pharmacological focus and is aimed at clinicians and researchers in hematology, providing a forum in print and online for publishing the highest quality articles in this area.
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