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We report correlative circulating tumor DNA (ctDNA) analyses from TRANSFORM (ClinicalTrials.gov identifier : NCT 03575351) evaluating lisocabtagene maraleucel (liso-cel) versus standard of care (salvage immunochemotherapy , high-dose chemotherapy , autologous stem cell transplantation [ASCT]) in second-line large B-cell lymphoma (LBCL). ctDNA association with efficacy was investigated at predefined time points (random assignment , day 43, day 64, and day 126 [3 months after liso-cel , approximately 2 months after ASCT]) for 136 patients using ultrasensitive PhasED-Seq . ctDNA clearance (measurable residual disease [MRD]neg) predicted longer event-free survival (EFS) at all time points in both arms , with significantly more liso-cel-treated patients achieving MRDneg .
我们报告了来自TRANSFORM研究(临床试验注册号:NCT03575351)的循环肿瘤DNA(ctDNA)相关分析,该研究评估了lisocabtagene maraleucel(liso-cel)与标准治疗(挽救性免疫化疗、高剂量化疗、自体干细胞移植[ASCT])在二线大B细胞淋巴瘤(LBCL)中的效果。使用超灵敏PhasED-Seq技术,对136名患者在预设时间点(随机分组、第43天、第64天和第126天[在liso-cel治疗后约3个月,ASCT后约2个月])进行了ctDNA与疗效关系的调查。ctDNA清除(可测量的残留疾病[MRD]阴性)在两个治疗组的所有时间点均预测了更长的无事件生存期(EFS),并且接受liso-cel治疗的患者中有显著更多的患者达到了MRD阴性。
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Liso-cel demonstrated superior outcomes versus ASCT , including longer EFS , progression-free survival (PFS), and duration of response among patients in complete response (CR) and MRDneg . ctDNA re-emergence in patients with CR after ASCT confirmed its potential in predicting relapse .
与ASCT相比,liso-cel显示出更优越的临床结果,包括在完全缓解(CR)和MRD阴性的患者中更长的无进展生存期(PFS)、反应持续时间。在ASCT后达到CR的患者中ctDNA的重新出现证实了其预测复发的潜力。
MRDneg remained significantly associated with EFS after adjusting for positron emission tomography (PET) response , while interaction testing revealed a significant interaction between PET status and treatment arm for EFS .
在调整正电子发射断层扫描(PET)反应后,MRD阴性与无事件生存(EFS)显著相关,而交互测试显示PET状态与治疗组之间对于EFS存在显著的相互作用。
Liso-cel achieved deeper , more durable molecular clearance by ctDNA , consistent with superior EFS and PFS versus ASCT for second-line LBCL treatment . ctDNA-MRD provided prognostic value beyond PET , supporting its role as a complementary biomarker for treatment response and relapse prediction .
Liso-cel通过ctDNA实现了更深入、更持久的分子清除,与ASCT相比,对于二线治疗弥漫性大B细胞淋巴瘤(LBCL)的总生存(EFS)和无进展生存(PFS)显示出优越性。ctDNA-MRD提供了超越PET的预后价值,支持其作为治疗反应和复发预测的补充生物标志物的角色。
本文献翻译由 AI 辅助生成,仅供文献精读与英语学习参考。临床决策请以 PubMed / PMC 原文为准。
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