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Anti-T-lymphocyte globulin exposure is associated with acute graft-versus-host disease and relapse in pediatric acute lymphoblastic leukemia patients undergoing hematopoietic stem cell transplantation: a multinational prospective study.
Haematologica ( IF 10.1 ) Pub Date : 2024-05-09 , DOI: 10.3324/haematol.2023.284632
Lisa V.E. Oostenbrink , Erik G.J. Von Asmuth , Cornelia M. Jol-van der Zijde , Anja M. Jansen-Hoogendijk , Carly Vervat , Robbert G.M. Bredius , Maarten J.D. Van Tol , Marco W. Schilham , Petr Sedlacek , Marianne Ifversen , Adriana Balduzzi , Peter Bader , Christina Peters , Dirk Jan A.R. Moes , Arjan C. Lankester

Anti T-lymphocyte globulin (ATLG) is used in hematopoietic stem cell transplantation (HSCT) to prevent graft-versus-host disease (GvHD) and graft failure. To date, insight in ATLG pharmacokinetics and -dynamics (PK/PD) is limited, and population PK (POPPK) models are lacking. In this prospective study, we describe ATLG POPPK using NONMEM® and the impact of ATLG exposure on clinical outcome and immune reconstitution in a homogeneous cohort of pediatric acute lymphoblastic leukemia (ALL) patients transplanted with a matched unrelated donor and receiving uniform ATLG dosing. Based on 121 patients and 812 samples for POPPK analysis, a two-compartmental model with parallel linear and non-linear clearance and bodyweight as covariate, best described the ATLG concentrationtime data. The level of ATLG exposure (day active ATLG day 16 8.2%, p.

中文翻译:

抗 T 淋巴细胞球蛋白暴露与接受造血干细胞移植的儿童急性淋巴细胞白血病患者的急性移植物抗宿主病和复发相关:一项多国前瞻性研究。

抗 T 淋巴细胞球蛋白 (ATLG) 用于造血干细胞移植 (HSCT),以预防移植物抗宿主病 (GvHD) 和移植失败。迄今为止,对 ATLG 药代动力学和动力学 (PK/PD) 的了解有限,并且缺乏群体 PK (POPPK) 模型。在这项前瞻性研究中,我们描述了使用 NONMEM® 的 ATLG POPPK 以及 ATLG 暴露对儿童急性淋巴细胞白血病 (ALL) 患者同质队列的临床结果和免疫重建的影响,这些患者接受匹配的无关供体移植并接受统一的 ATLG 剂量。基于 121 名患者和 812 个样本进行 POPPK 分析,以平行线性和非线性清除率和体重为协变量的两室模型最好地描述了 ATLG 浓度时间数据。 ATLG 暴露水平(日活跃 ATLG 第 16 天 8.2%,第 17 页)
更新日期:2024-05-09
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