检查点抑制剂,CAR T细胞和静血系统:我们到目前为止知道了什么?
Christina C Rolling1, Samuel Lewirt1, Antonia Beitzen-Heineke1,2
1Department of Oncology, Hematology and BMT with Section of Pneumology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
Hamostaseologie
|May 7, 2025
概括
免疫检查点抑制剂 (ICI) 和仿真抗原受体 (CAR) T 细胞可以导致危险的血栓和凝血问题. 了解这些风险至关重要,因为这些新型癌症疗法变得越来越普遍.
科学领域:
- 在瘤学瘤学.
- 免疫学 免疫学 免疫学
- 血液学 血液学 血液学
背景情况:
- 免疫检查点抑制剂 (ICI) 和仿真抗原受体 (CAR) T 细胞是先进的免疫疗法,可促进抗癌T细胞反应.
- 这些疗法可以诱导高炎症,导致诸如细胞因子释放综合征 (CRS) 和自身免疫类症状等副作用.
- 新出现的证据将ICI与静脉和动脉血栓栓塞事件的风险增加联系在一起,关于CAR T细胞相关的凝血病的数据有限.
研究的目的:
- 审查与ICI和CAR T细胞疗法相关的血栓栓塞和凝血障碍的当前理解.
- 在这些免疫疗法的背景下,讨论与炎症相关的凝血激活背后的致病机制.
- 在接受T细胞导向癌症治疗的患者中探索静脉血栓栓塞 (VTE) 的潜在生物标志物.
主要方法:
- 对调查血栓栓塞并发症和凝血变化的研究的文献综述.
- 报告的不良事件的分析,包括细胞因子释放综合征 (CRS) 和传播性血管内凝血 (DIC).
- 讨论VTE的致病机制和潜在的预测生物标志物.
主要成果:
- ICI与静脉和动脉血栓栓塞事件的风险增加有关.
- 卡尔-T细胞疗法,特别是CRS,可以导致凝血病,低纤维素生成症是常见的,而DIC是一种罕见但严重的并发症.
- 现有的数据往往来自对异质患者群体的回顾性研究,这突显了需要进一步研究的需要.
结论:
- 血栓塞栓并发症和凝血病是ICI和CAR T细胞疗法的重要问题.
- 了解与炎症相关的凝血机制对于管理这些不良事件至关重要.
- 需要进一步的研究,包括前性研究和生物标志物识别,以减轻在接受基于T细胞的免疫疗法的患者的VTE风险.
相关概念视频
Regulation of Hematopoietic Stem Cells
3.1K
All blood and immune cells are produced from the multipotent hematopoietic stem cells (HSCs) by the process of hematopoiesis. However, they all have a limited life span. In addition, many are depleted in immune surveillance or combatting an injury or infection. This makes blood one of the most regenerative tissues. Hematopoiesis helps replenish these blood and immune cells, restoring the body's normal functioning. However, overproduction of blood and immune cells can make them cancerous or...
3.1K
Introduction to Hemostasis
4.3K
Hemostasis is a complex physiological process that prevents excessive bleeding when a blood vessel is injured. It's crucial for maintaining the integrity of the circulatory system, as it ensures that our blood remains fluid while still within the vascular network and yet clots to prevent blood loss upon vessel injury.
The three phases of hemostasis involve many clotting factors present in plasma and several substances released by platelets and injured tissue cells. It is a fast, localized,...
The three phases of hemostasis involve many clotting factors present in plasma and several substances released by platelets and injured tissue cells. It is a fast, localized,...
4.3K
Disorders of Hemostasis
647
Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
647
Anticoagulant Drugs: Low-Molecular-Weight Heparins
546
Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
546
Regulation of Angiogenesis and Blood Supply
2.5K
Rapidly dividing tumors, embryos, and wounded tissues require more oxygen than usual, lowering the oxygen concentration in the blood. At low oxygen or hypoxic conditions, an oxygen-sensitive transcription factor called the hypoxia-inducible factor 1 or HIF1 is activated. HIF1 is a dimeric protein of alpha (ɑ) and beta (β) subunits. Under optimal oxygen conditions, HIF1β is present in the nucleus while HIF1ɑ remains in the cytosol. HIF1ɑ is hydroxylated by prolyl...
2.5K
Cytotoxic T Cells-mediated Immune Response
731
Cytotoxic T cells are a vital component of the immune system. They have the remarkable ability to identify and target antigens on infected or abnormal cells. These antigens often originate from intracellular pathogens such as viruses or abnormal proteins cancer cells produce.
Immunological surveillance is the ability of immune cells to monitor and eliminate infected cells with intracellular pathogens, neoplastically transformed cells, and cells with non-self antigens. Cytotoxic T cells and NK...
Immunological surveillance is the ability of immune cells to monitor and eliminate infected cells with intracellular pathogens, neoplastically transformed cells, and cells with non-self antigens. Cytotoxic T cells and NK...
731


