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Antihuman T Lymphocyte Globulin Fresenius in Graft‐Versus‐Host Disease Prophylaxis for Unrelated Hematopoietic Stem Cell Transplantation After Myeloablative Conditioning: A Long‐Term Real‐Life Retrospective Study
American Journal of Hematology ( IF 10.1 ) Pub Date : 2024-12-04 , DOI: 10.1002/ajh.27541
Marion Divoux, Matthieu Resche‐Rigon, David Michonneau, Aurélien Sutra Del Galy, Nathalie Dhedin, Alienor Xhaard, Flore Sicre de Fontbrune, Marie Robin, Gérard Socié, Régis Peffault de Latour

Graft-versus-host disease (GvHD) is a frequent complication of hematopoietic stem cell transplantation (HSCT) and remains among the leading causes of post-transplant morbidity and mortality. Acute GvHD (aGvHD) affects 30%–50% of HSCT patients, while chronic GvHD (cGvHD) affects 30%–70%. In vivo T depletion using rabbit antithymocyte globulins (ATG) during conditioning has been shown to reduce the occurrence of both aGvHD and cGvHD, with no impact on overall survival (OS) or relapse [1]. Among available antihuman lymphocytes serums, ATG (Thymoglobulin; Sanofi-Genzyme, Saint-Germain-en-Laye, France) and ATG Fresenius (ATLG) (Grafalon; Neovii, Rapperswil-Jona, Switzerland) can be used as GvHD prophylaxis.

In myeloablative conditioning (MAC), ATG infusion is correlated with a significant reduction in aGvHD and cGvHD, with no impact on OS, relapse, disease-free survival (DFS), or non-relapse mortality (NRM). However, initial trials using a high dose of ATG reported an increased rate of lethal viral infections [2], such as cytomegalovirus (CMV) or Epstein–Barr virus (EBV).

Since little real-life data has been reported so far, we aimed to study the impact of ATLG on a long-term real-life perspective in unrelated transplantation after MAC.



中文翻译:


抗人 T 淋巴细胞费森尤斯在清髓性预处理后无关造血干细胞移植的移植物抗宿主病预防中的应用:一项长期的现实生活回顾性研究



移植物抗宿主病 (GvHD) 是造血干细胞移植 (HSCT) 的常见并发症,并且仍然是移植后发病率和死亡率的主要原因之一。急性 GvHD (aGvHD) 影响 30%-50% 的 HSCT 患者,而慢性 GvHD (cGvHD) 影响 30%-70%。在预处理期间使用兔抗胸腺细胞球蛋白 (ATG) 进行体内 T 耗竭已被证明可以减少 aGvHD 和 cGvHD 的发生,而对总生存期 (OS) 或复发没有影响 [1]。在可用的抗人淋巴细胞血清中,ATG(胸腺球蛋白;Sanofi-Genzyme,法国圣日耳曼昂莱)和 ATG Fresenius (ATLG)(Grafalon;Neovii, Rapperswil-Jona, Switzerland)可用作 GvHD 预防。


在清髓性调节 (MAC) 中,ATG 输注与 aGvHD 和 cGvHD 的显着降低相关,对 OS、复发、无病生存期 (DFS) 或非复发死亡率 (NRM) 没有影响。然而,使用高剂量 ATG 的初始试验报告称,致死性病毒感染的发生率增加 [2],例如巨细胞病毒 (CMV) 或 EB 病毒 (EBV)。


由于迄今为止几乎没有实际数据报道,我们旨在研究 ATLG 对 MAC 后无关移植的长期真实生活前景的影响。

更新日期:2024-12-04
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