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:PET-CT radiomics for immunotherapy response.
放射组学在表征肿瘤免疫微环境和预测免疫治疗反应方面具有巨大潜力,尤其是在肺癌和淋巴瘤中。
本综述旨在全面综合当前关于使用PET影像组学预测癌症患者免疫治疗反应的文献,并讨论数据分析中出现的主要挑战,提出其更广泛整合到临床实践中的潜在方向。
选取了关于使用PET/CT进行放射组学与免疫治疗的研究论文。选择时采用了一些标准,例如自发表之日起五年内,以及2)纳入多名患者(超过100名)。
共纳入24篇论文,采用以下标准筛选。大多数研究(N = 18/24;75%)涉及放射组学在预测肺癌患者免疫治疗中的应用。在这一背景下,放射组学能够预测PDL-1的表达,对侵入性操作具有重要影响。在四项研究中,放射组学用于预测淋巴瘤患者对CAR-T的应答。目前在结肠直肠肿瘤和子宫内膜癌患者中已有新出现的结果,但证据仍然有限。
INTRODUCTION: The aim of this review is to provide a comprehensive synthesis of the current literature on the use of PET radiomics for predicting response to immunotherapy in cancer patients, as well as to discuss the main challenges emerging from data analysis and propose potential directions for its broader integration into clinical practice. MATERIALS AND METHODS: papers regarding the use of radiomics and immunotherapy by using PET/CT were selected. Some criteria were used for the selection, such as five years from the date of publication and 2) inclusion of several patients (more than 100). RESULTS: Totally 24 papers were selected by using the following criteria. Most studies (N = 18/24; 75%) were related to the utility of radiomics for predicting immunotherapy in patients affected by lung cancer. In this setting, radiomics was able to predict the expression of PDL-1, with an important effect on the invasive procedures. In four studies, radiomics was used for predicting the prediction of response to CAR-T in patients affected by lymphoma. Emerging results are now available in patients with colon-rectal tumors and endometrial cancers, although with still limited evidence. CONCLUSIONS: radiomics holds substantial potential for characterizing the tumor immune microenvironment and predicting response to immunotherapy, especially in lung cancer and lymphoma.
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