在以前未经治疗的 iNHL 中,Obinutuzumab 与 Rituximab 免疫化学疗法对比:来自 GALLIUM 研究的最终结果
William Townsend1, Wolfgang Hiddemann2, Christian Buske3
1Cancer Research UK and UCL Cancer Trials Centre, University College Hospitals London, United Kingdom.
HemaSphere
|July 5, 2023
概括
与Rituximab相比,基于Obinutuzumab的疗法在毛囊性淋巴瘤 (FL) 患者中改善了长期无进展生存期 (PFS). 总体存活率相似,在这个III期试验中没有发现新的安全问题.
科学领域:
- 血液学 血液学 血液学
- 在瘤学瘤学.
- 临床试验 临床试验
背景情况:
- 毛囊淋巴瘤 (FL) 和边缘区域淋巴瘤 (MZL) 是B细胞恶性瘤.
- 免疫化疗是高级FL的标准第一线治疗方法.
- 奥比努祖马布和利图西马布是用于淋巴瘤治疗的向CD20的单克隆抗体.
研究的目的:
- 报告在以前未经治疗的FL患者中进行的III期GALIUM试验的最终分析.
- 为了比较基于obinutuzumab的长期安全性和疗效与基于rituximab的免疫化学疗法.
- 在MZL子组进行探索性分析.
主要方法:
- 1202名FL患者被随机分配1:1接受基于obinutuzumab或rituximab的免疫化学疗法.
- 用同样的抗体进行维持治疗,持续长达2年.
- 随访时间中位数为7.9年,评估了无进展生存期 (PFS),时间到下一次抗淋巴瘤治疗和整体生存期 (OS).
主要成果:
- 在FL患者中,基于奥比努祖马布的治疗显示出显著改善的7年PFS率 (63.4%对比55.7%,P=0.006) 和时间对接的抗淋巴瘤治疗 (74.1%对比65.4%,P=0.001).
- 两组治疗组的整体存活率相似 (88.5%与87.2%,P=0.36).
- 完整的分子响应 (CMR) 与改善的PFS和OS相关,不论治疗手臂. 安全概况是可比的,没有新的安全信号.
结论:
- 基于Obinutuzumab的免疫化学疗法为先进阶段FL的第一线治疗提供了长期的无进展生存的好处.
- 数据支持将奥比努祖马布作为标准治疗选择,考虑到患者的特征和安全性.
- 对MZL子集团进行进一步调查是有必要的.
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