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FDA专家组投票赞成,批准Keytruda治疗难治性膀胱癌

2019-12-19 不详 MedSci原创

在FDA专家小组的投票之后,默克(Merck)的检查点抑制剂PD-1单抗Keytruda在美国获批了新的适应症--早期膀胱癌的治疗。

FDA专家小组的投票之后,默克(Merck)的检查点抑制剂PD-1单抗Keytruda在美国获批了新的适应症--早期膀胱癌的治疗。

肿瘤药物咨询委员会(ODAC)以9票赞成:4票反对,批准Keytruda(pembrolizumab)用于治疗某些高危,非肌肉浸润性膀胱癌(NMIBC)患者。

NMIBC是一种在膀胱内膜组织中发现的低度肿瘤,目前通常用默克的BCG疫苗进行治疗,目的是增强免疫系统对癌症的反应。

Keytruda的目标人群是对BCG无反应,不愿或无法进行根治性手术以切除膀胱的NMIBC患者。

默克首席医学官罗伊博士表示,大约30%至40%的NMIBC患者对卡介苗无反应,而Keytruda将成为那些无法通过手术治疗且目前拥有"有限治疗选择"患者新的治疗选择。

该PD-1单抗的单臂2期KEYNOTE-057试验在102名高危NMIBC患者中进行评价。患者接受BCG治疗12次,但仍看到疾病进展。每三周给予一次Keytruda可以在12周内使40%的患者完全缓解,达到了该试验的主要终点-至少是化学药物预期速度的两倍。

默克公司估计,2019年仅在美国就诊断出超过80000例新膀胱癌病例,其中75%为NMIBC。

原始出处:


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    2020-08-19 ms4000000798581120

    又有新药,支持

    0

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    2019-12-21 freve
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    2019-12-19 留走人康

    膀胱癌真怪,明明是免疫敏感性肿瘤,为什么PD-1治疗效果不好呢?难道靶点不对?将来CD47会不会有效

    0

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