Research progress of conditioning regimens in chimeric antigen receptor modified T cells immunotherapy

Yujie Wang, Tao Wang
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Abstract

Chimeric antigen receptor modified T cells (CAR-T) therapy plays a key role in the treatment of relapsed/refractory hematological malignancies. And the efficacy of such promising therapy is influenced by many factors, including the production, expansion and lethality of CAR-T cells, the kinds and status of diseases, as well as conditioning regimens. Conditioning regimens such as lymphodepleting prior to CAR-T cells infusion are one of good help to enhance the efficacy of CAR-T therapy. Chemothrapy with cyclophosphamide, fludarabine, pentostatin, bendamustine and cytarabine, as well as total body irradiation (TBI) are main conditioning regimens of CAR-T therapy. However, the optimal selection of conditioning regimens, the optimal dose are still uncertain. This article reviews the current status and research progress of conditioning regimens in CAR-T therapy, in order to find the best scheme and improve the efficacy of CAR-T therapy. Key words: Hematologic neoplasms; Transplantation conditioning; T-lymphocytes; Radiotherapy; Chimeric antigen receptor modified T cells
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嵌合抗原受体修饰的T细胞免疫治疗条件治疗方案的研究进展
嵌合抗原受体修饰的T细胞(CAR-T)治疗在治疗复发/难治性血液系统恶性肿瘤中发挥着关键作用。这种有前景的治疗方法的疗效受到许多因素的影响,包括CAR-T细胞的产生、扩增和致死性、疾病的种类和状态以及调理方案。CAR-T细胞输注前的淋巴消耗等调理方案有助于提高CAR-T治疗的疗效。环磷酰胺、氟达拉滨、戊抑素、苯达莫司汀和阿糖胞苷化疗以及全身照射(TBI)是CAR-T治疗的主要条件治疗方案。然而,调理方案的最佳选择、最佳剂量仍不确定。本文综述了条件疗法在CAR-T治疗中的现状和研究进展,以期找到最佳方案,提高CAR-T治疗的疗效。关键词:血液肿瘤;移植条件;T淋巴细胞;放射治疗;嵌合抗原受体修饰的T细胞
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期刊介绍: The International Journal of Transfusion and Hematology was founded in September 1978. It is a comprehensive academic journal in the field of transfusion and hematology, supervised by the National Health Commission and co-sponsored by the Chinese Medical Association, West China Second Hospital of Sichuan University, and the Institute of Transfusion Medicine of the Chinese Academy of Medical Sciences. The journal is a comprehensive academic journal that combines the basic and clinical aspects of transfusion and hematology and is publicly distributed at home and abroad. The International Journal of Transfusion and Hematology mainly reports on the basic and clinical scientific research results and progress in the field of transfusion and hematology, new experiences, new methods, and new technologies in clinical diagnosis and treatment, introduces domestic and foreign research trends, conducts academic exchanges, and promotes the development of basic and clinical research in the field of transfusion and hematology.
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