移植后的循环胺剂量可以减少吗?
Juan Carlos Olivares-Gazca1,2, María de Lourdes Pastelín-Martínez1,3, Merittzel Abigail Montes-Robles1,3
1Centro de Hematología y Medicina Interna, Clínica Ruiz, Puebla, México.
Hematology (Amsterdam, Netherlands)
|August 2, 2023
概括
移植后循环胺 (PTCy) 的降低剂量在单一血型造血干细胞移植 (Haplo-HSCT) 中显示出与标准剂量相似的结果. 这表明有可能降低治疗毒性,而不会影响Haplo-HSCT的疗效.
科学领域:
- 血液学 血液学 血液学
- 移植免疫学 移植免疫学
- 在瘤学瘤学.
背景情况:
- 全基性造血干细胞移植 (HSCT) 是血液恶性瘤的重要治愈治疗方法.
- 供体的可用性,特别是与HLA匹配的供体,带来了挑战,特别是在少数民族和多民族人群中.
- 哈普洛同一性HSCT (Haplo-HSCT) 提供了更广泛的供体池,门诊方案降低了成本.
研究的目的:
- 在Haplo-HSCT中比较传统与降低剂量的移植后环胺 (PTCy) 的疗效和安全性.
- 评估降低PTCy剂量对血液恢复和整体存活时间 (OS) 的影响.
- 探索在Haplo-HSCT中最小化Cy-依赖性毒性的策略.
主要方法:
- 这是一项前性研究,涉及31名接受Haplo-HSCT的患者.
- 21名患者接受了传统的PTCy (50 mg/kg在第3天和第4天).
- 10名患者接受了减少的PTCy (25 mg/kg在第3天和第4天).
主要成果:
- 在传统和减少的PTCy组之间没有观察到年龄,性别,血液恢复或调节方案的显著差异.
- 传统PTCy组的中位数是5.7个月,减少PTCy组的中位数是6.4个月.
- 所有患者的中位数随访时间为4.5个月.
结论:
- 在Haplo-HSCT中减少PTCy剂量可能会降低血液毒性,而不会影响有效性.
- 这些初步发现支持通过前性随机试验进一步调查.
- 优化PTCy剂量可以提高Haplo-HSCT的安全性.
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