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:The European CAR-T map-Current status and future directions to improve access to CAR T-cell therapy for hematologic malignancies.
本研究表明,欧洲患者获得商业化CAR-T治疗的机会仍然有限。
尽管 CAR-T 疗法前景广阔,但作为一种个体化、物流复杂且费用高昂的治疗,其落地实施仍面临挑战,阻碍了各国之间及各国内部患者的可及性。自 2018 年以来,欧洲(即欧洲经济区;欧盟批准)已集中批准 6 种产品,用于 15 项血液系统恶性肿瘤适应证。为更好地了解患者对欧盟批准的商业化 CAR-T 疗法的可及性,我们评估了欧盟批准有效的全部 30 个国家以及英国的现状,涵盖经济、临床和组织层面,并识别了挑战与改进策略。研究采用两步法,将上市许可持有人提供的数据(4/4 应答)与通过在线调查获得的临床专家各国具体情况见解(30/31 应答)相互补充。2024 年 8 月,31 个国家中有 26% 无商业化可及的 CAR-T 产品,74% 有 1 种用于非霍奇金淋巴瘤和白血病的産品,16% 有 1 种用于多发性骨髓瘤的产品。一次性支付是最常用的报销方式。可及时间差异显著,中位数从 0 个月(法国/德国)到 53 个月(斯洛伐克)不等。每国每 1000 万人口中合格 CAR-T 中心数量的中位数为 5.0(IQR:3.0-6.1)。在大多数国家,患者资格评估是分散进行的。在有和没有商业化可及产品的国家,成本和物流复杂性都是限制可及性的主要因素。提出的解决方案包括降低成本、改进报销流程和增加医疗资源。本研究表明,欧洲患者对商业化 CAR-T 疗法的可及性仍然有限。对这个多层面问题的深入见解可以指导政策制定、倡导工作和研究,使这种变革性治疗能够惠及更多有需要的患者。
Despite its great promise, implementation of CAR-T therapy-a personalized, logistically complex, and expensive treatment-remains challenging, hampering patient access across and within countries. Since 2018, six products have been centrally approved in Europe (i.e., the European Economic Area; EU-approved) for 15 hematologic malignancy indications. To better understand patient access to EU-approved commercial CAR-T therapy, we evaluated the current status in all 30 countries where EU-approval is valid plus the UK, addressing economic, clinical, and organizational aspects, and identifying challenges and strategies for improvement. A two-step approach was used, complementing data from marketing authorization holders (4/4 responded) with country-specific insights from clinical experts obtained via an online survey (30/31 responded). In August 2024, 26% of the 31 countries had no CAR-T products commercially available, 74% 1 product for non-Hodgkin lymphoma and leukemia, and 16% 1 product for multiple myeloma. One-time payment was the most used reimbursement method. Time to access varied significantly, with medians ranging from 0 (France/Germany) to 53 months (Slovakia). The median number of qualified CAR-T centers per 10 million population per country was 5.0 (IQR: 3.0-6.1). In most countries, patient eligibility assessment was decentralized. Costs and logistical complexity were main factors restricting access in countries with and without commercially available products. Proposed solutions included cost reductions, improving reimbursement processes, and increasing healthcare resources. This study shows that patient access to commercial CAR-T therapy in Europe remains limited. Its insights into this multi-faceted problem can guide policy-making, advocacy work, and research to make this transformative treatment accessible to more patients in need.
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