决定异体 CAR T 细胞排斥与扩增的细胞和分子机制
Cellular and molecular mechanisms determining allogeneic CAR T cell rejection and expansion.
我们评估了11例接受单一批次cemacabtagene ansegedleucel(cema-cel)治疗的大B细胞淋巴瘤患者,cemacabtagene ansegedleucel是一种异体抗CD19 CAR T产品。
英文原题:Comparative analysis of CAR T-cell therapy access for DLBCL patients: associated challenges and solutions in the four largest EU countries.
本文讨论了这些挑战、现有最佳实践以及卫生系统建议关注的重点领域,旨在为克服当前CAR T细胞疗法以及未来细胞和基因疗法的患者可及性挑战提供必要行动的信息。
CAR T细胞疗法已成为一种有前景的新型免疫肿瘤治疗方法,它利用患者的免疫系统来对抗某些血液系统恶性肿瘤,包括弥漫性大B细胞淋巴瘤(DLBCL)。在欧盟(EU),CAR T细胞疗法自2018年起已获批用于复发/难治性(R/R)DLBCL患者,但患者的可及性往往仍然有限或延迟。本文旨在讨论欧盟最大的四个国家中可及性面临的挑战及可能的解决方案。
该分析依赖于文献综述、市场数据收集(因为无法获得来自登记处的同质数据)以及与来自所有四个国家的专家的讨论。
我们计算出,在2020年,58%至83%的R/R DLBCL患者(EMA批准标签人群)或估计符合医学资格的R/R DLBCL患者中的29%至71%,未接受获批的CAR T细胞治疗。我们确定了患者诊疗过程中可能导致CAR T细胞治疗可及性受限或延迟的常见挑战。这些挑战包括及时识别和转诊符合条件的患者、当局和支付方对治疗前资金的批准,以及CAR T细胞中心的资源需求。
INTRODUCTION: CAR T-cell therapy has emerged as a promising new immuno-oncology treatment that engages the patient's immune system to fight certain hematological malignancies, including diffuse large B-cell lymphoma (DLBCL). In the European Union (EU), CAR T-cell therapies have been approved for relapsed/refractory (R/R) DLBCL patients since 2018, but patient access is often still limited or delayed. This paper is aimed at discussing challenges to access and possible solutions in the largest four EU countries. METHODS: The analysis relied on literature review, market data collection, since homogeneous data coming from registries were not available, and discussion with experts coming from all four countries. RESULTS: We calculated that in 2020, between 58% and 83% of R/R DLBCL patients (EMA approved label population) or between 29% and 71% of the estimated medically eligible R/R DLBCL patients, were not treated with a licensed CAR T-cell therapy. Common challenges along the patient journey that may result in limited access or delays to CAR T-cell therapy were identified. These include timely identification and referral of eligible patients, pre-treatment funding approval by authorities and payers, and resource needs at CAR T-cell centers. DISCUSSION: These challenges, existing best practices and recommended focus areas for health systems are discussed here, with the aim to inform necessary actions for overcoming patient access challenges for current CAR T-cell therapies as well as for future cell and gene therapies.
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