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:Nodular lymphocyte-predominant Hodgkin lymphoma: advances in disease biology, risk stratification, and treatment.
已确定的关键预后因素包括年龄 >45 岁、III-IV 期疾病、血红蛋白 <10.5 g/dL 和脾脏受累。
近期更新详细阐述了如何利用预后评分系统对结节性淋巴细胞为主型霍奇金淋巴瘤(NLPHL)患者进行更好的风险分层。大多数NLPHL患者表现为早期疾病,病程惰性。为反映其与经典霍奇金淋巴瘤的差异,命名法已更新,将结节性淋巴细胞为主型B细胞淋巴瘤作为NLPHL的替代名称。全球NLPHL统一工作组于2024年发表了其关键数据集,该数据集对变异型免疫结构(IAP)模式的预后意义提出了挑战,并提出了一种新的预后评分系统。已确定的关键预后因素包括年龄>45岁、III-IV期疾病、血红蛋白<10.5 g/dL和脾脏受累。多因素分析后,变异型IAP未显示与较差结局相关。由于大多数NLPHL患者具有极佳的长期生存,识别适合治疗降阶梯的患者将有助于最大限度减少毒性。降阶梯策略包括完全切除的I期疾病后观察、主动监测、抗CD20抗体单药治疗、早期疾病放疗,以及避免含蒽环类或博来霉素的化疗方案。支持使用新型疗法的证据仍然有限,近期发表的一项关于ibrutinib治疗复发NLPHL患者的研究结果令人失望。希望未来的试验将研究新型药物,如检查点抑制剂、T细胞衔接抗体和CAR-T 细胞疗法。
Recent updates have detailed how patients with nodular lymphocyte-predominant Hodgkin lymphoma (NLPHL) may be better risk stratified using prognostic scoring systems. Most patients with NLPHL present with early-stage disease and have an indolent disease course. To reflect these differences from classic Hodgkin lymphoma, nomenclature has been updated to recognize nodular lymphocyte-predominant B-cell lymphoma as an alternative to NLPHL. The Global NLPHL One Working Group have published their pivotal dataset in 2024 which challenges the prognostic significance of variant immunoarchitectural (IAP) patterns and proposes a new prognostic scoring system. Key identified prognostic factors include age >45 years, stage III-IV disease, hemoglobin <10.5 g/dL and splenic involvement. After multivariate analysis, variant IAP was not shown to be associated with inferior outcome. As most patients with NLPHL have excellent long-term survival, identifying patients where treatment de-escalation is appropriate will help to minimize toxicity. De-escalation strategies include observation after fully resected stage I disease, active surveillance, anti-CD20 antibody monotherapy, radiotherapy in early-stage disease, and avoiding anthracycline- or bleomycin-containing chemotherapy regimens. Evidence supporting the use of novel therapies remains limited with disappointing results from a recently published study of ibrutinib in patients with relapsed NLPHL. Hopefully, future trials will investigate novel agents such as checkpoint inhibitors, T-cell engaging antibodies and chimeric antigen receptor T-cell therapy.
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