N Engl J Med:疾病风险腰斩一半!杨森新药有望成一线疗法

2017-12-13 佚名 药明康德

Janssen Research & Development 今天公布了 3 期临床研究 ALCYONE 的数据,研究显示 DARZALEX(daratumumab)联合硼替佐米(bortezomib),美法仑(melphalan)和泼尼松(prednisone ,VMP)显著改善临床结果, 将最新确诊的多发性骨髓瘤患者疾病进展或死亡风险降低 50%,此类患者不可进行自体干细胞移植(ASCT)。该

多发性骨髓瘤是一种通常意义上不可治愈的血液癌症,此类疾病中,恶性浆细胞在骨髓中不受控制的生长。据估计,2017 年美国将有 30280 人被诊断为多发性骨髓瘤,将有 12590 人死亡

DARZALEX(daratumumab)注射液是世界上第一个获得批准的 CD38 靶向抗体。CD38 是一种在多发性骨髓瘤细胞中高度表达的表面蛋白。DARZALEX 被认为通过多种免疫介导的作用机制,包括补体依赖性细胞毒性(CDC),抗体依赖性细胞介导的细胞毒性(ADCC)和抗体依赖性细胞吞噬作用(ADCP),以及细胞凋亡,利用一系列分子步骤导致癌细胞死亡。

此次随机,开放标签,多中心的 3 期 ALCYONE(MMY3007)研究招募了 706 名新诊断的多发性骨髓瘤患者,这些患者不适合接受高剂量化疗以及 ASCT。在 DARZALEX-VMP 组中,中位年龄为 71 岁(范围:40-93),30% 患者至少 75 岁,46% 为男性。患者随机接受 9 个周期的 DARZALEX 联合 VMP 或单独 VMP 治疗。在 DARZALEX-VMP 组中,患者每周一次接受 16mg/kg DARZALEX,持续 6 周(第 1 周期,每周期 42 天),接着每 3 周接受一次药物(第 2 - 9 周期)。在 9 个周期后,DARZALEX-VMP 组的患者继续每 4 周接受一次 16mg/kg DARZALEX 直至疾病进展。

DARZALEX-VMP 的中位随访时间为 16.5 个月,与单用 VMP 相比,疾病进展或死亡风险降低了 50%(HR= 0.50, 95%CI [0.38-0.65],p <0.0001)。尚未达到 DARZALEX-VMP 的中位无进展生存期(PFS),而仅接受 VMP 患者的预计中位 PFS 为 18.1 个月。除了降低疾病进展或死亡风险外,与单独使用 VMP 相比,DARZALEX 还显着提高了总缓解率(ORR)(91% 比 74%),包括超过一倍的严格完全缓解率(sCR)(18% 比 7%) ,显着提高了达到很好的部分缓解率(VGPR)或更佳水平(71% 比 50%)和完全缓解(CR)或更佳水平(43% 比 24%)。接受 DARZALEX 的患者也显示最小残留疾病(MRD)阴性率增加了 3 倍多(22% 比 6%)。

ALCYONE 研究调查员,萨拉曼卡大学医院(University Hospital of Salamanca-IBSAL)骨髓瘤部主任 Maria-Victoria Mateos 博士说:“DARZALEX 的 3 期结果证明了临床上有意义的改善,并具有可管控的安全性。选择正确的治疗方案对于新诊断的患者至关重要,特别是对那些不适合移植的患者,因为这些患者往往更年长,更虚弱。这些发现强烈支持 DARZALEX 成为这种疾病的前线治疗方案,作为此类患者的新护理标准。”

Janssen Research & Development 肿瘤临床研究副总裁 Sen Zhuang 博士表示:“DARZALEX 在多发性骨髓瘤的各种治疗方案中提供了引人注目和一致的临床益处。这些最新的结果传达了 DARZALEX 在新诊断患者中的承诺,最初的治疗对于长期生存来说至关重要。”

2017 年 11 月 21 日,杨森向 FDA 提交了补充生物制剂许可申请(sBLA),使用 DARZALEX 与 VMP 联合治疗该患者人群。如果获得批准,这将是 DARZALEX 在美国的第五个适应症,也是第一个在前线情况下使用的适应症。我们期待这款药物的审批能够顺利进行,早日为这种恶性疾病带来新疗法。

原始出处:

María-Victoria Mateos, Meletios A. Dimopoulos, Michele Cavo, et al. Daratumumab plus Bortezomib, Melphalan, and Prednisone for Untreated Myeloma. New England Journal of Medicine,2017.

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    2018-01-01 spoonycyy
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    2018-09-07 haouestc
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    2017-12-15 陆成振
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