由于2名患者死亡,FDA停止了双特异性抗体XmAb14045治疗白血病的部分临床试验

2019-02-22 不详 MedSci原创

XmAb14045是一种肿瘤靶向的双特异性抗体,同时靶向CD123和细胞毒性T细胞结合域(CD3)。该药物设计用于治疗复发或难治性急性髓细胞白血病和其他CD123阳性的血液系统恶性肿瘤。

Xencor宣布美国食品和药物管理局(FDA)对其XmAb14045的I期研究做了部分限制。

XmAb14045是一种肿瘤靶向的双特异性抗体,同时靶向CD123和细胞毒性T细胞结合域(CD3)。该药物设计用于治疗复发或难治性急性髓细胞白血病和其他CD123阳性的血液系统恶性肿瘤。

在Xencor最近提交给FDA的安全报告中显示,两位患者死亡可能与XmAb14045有关。一名患者在第一次给药后出现细胞因子释放综合症(CRS),另一名患者在多次给药后出现急性肺水肿。

FDA取消了XmAb14045的部分临床实验,已经参加治疗的患者可以继续,但是不允许新患者参加该研究。

Xencor总裁兼首席执行官Bassil Dahiyat表示:"患者安全是Xencor最关注的问题。我们正在与研究人员和FDA合作,同时正在进行的第一阶段的其他CD3双特异性抗体,XmAb13676和XmAb18087,不会受到影响。"

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