用tislelizumab治疗复发/耐药的成熟T细胞和NK细胞瘤:一个多中心的开放标签第二阶段研究
Emmanuel Bachy1, Kerry J Savage2, Huiqiang Huang3
1Hematology Department, Lyon Sud Hospital and Claude Bernard Lyon 1 University, Lyon, France.
Blood advances
|June 5, 2023
概括
编程细胞死亡蛋白1抑制剂Tislelizumab在复发/耐药性成熟T细胞和自然杀手 (NK) 细胞瘤患者中显示出适度的疗效和良好的耐受性,提供潜在的长期缓解.
科学领域:
- 在瘤学瘤学.
- 免疫治疗是一种免疫疗法.
- 血液学 血液学 血液学
背景情况:
- 复发性/耐药性 (R/R) 成熟的T细胞和自然杀手 (NK) 细胞瘤具有有限的有效治疗选择.
- 标准疗法在这些激烈的血液性恶性瘤中往往失败.
研究的目的:
- 为了评估tislelizumab的疗效和安全性,一个编程细胞死亡蛋白1 (PD-1) 抑制剂,在R/R成熟的T细胞和NK细胞瘤患者中.
- 评估这些瘤不同亚型的应答率,应答持续时间,无进展生存率和整体生存率.
主要方法:
- 一项2期临床试验,涉及77名患有R/R成熟T细胞和NK细胞瘤的患者.
- 患者每3周内静脉注射200毫克tislelizumab.
- 这项研究包括了外节NK/T细胞淋巴瘤,外围T细胞淋巴瘤 (PTCL) 亚型和皮肤T细胞淋巴瘤 (包括真菌菌菌病和塞萨里综合征) 的队列.
主要成果:
- 在皮肤T细胞淋巴瘤 (队列3) 中观察到有前途的疗效,整体反应率 (ORR) 为45.5%,反应的中位持续时间 (DOR) 为11.3个月.
- 在额外的NK/T细胞淋巴瘤 (1队列,ORR 31.8%) 和PTCL (2队列,ORR 20.5%) 中观察到适度的疗效.
- 提斯莱利祖马布耐受性良好,大多数与治疗相关的不良事件都是低级 (1或2级),符合其已知的安全性.
结论:
- 蒂斯莱利祖马布在患有R/R成熟T细胞和NK细胞瘤的患者中显示出可接受的安全性,并取得了适度的疗效.
- 该研究发现了长期缓解的可能性,特别是在皮肤T细胞淋巴瘤中.
- 蒂斯莱利祖马布对于治疗选择有限的患者来说是一个潜在的治疗选择.
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