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搜狐全球医讯 | 国家药监局回应CAR-T继发肿瘤风险,抗癌产品致癌风险大吗?

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作者 | 周亦川

编辑 | 袁月

据新华社报道,国家药监局近期回应了CAR-T相关继发性恶性肿瘤风险话题,称我国四个CAR-T产品上市时均要求在说明书中标明相关风险,并提示终身监测。

来源 / 国家药监局官网

经查询,该类药品说明书上有相关说明。

CAR-T疗法是利用患者自身免疫细胞对抗白血病等血癌的疗法。我们将免疫细胞做基因改造后回输体内,就可以靶向癌细胞。有专家称,患者基本治愈,可以说是改变了游戏规则。

来源 / FDA.gov

神奇的抗癌产品反而致癌?当然,每种药都有副作用。

去年11月美国FDA已启动对6种CAR-T药物关于T细胞恶性肿瘤的调查,这些药物已标明相关风险。约8000例副作用报告中共12例为继发肿瘤;而就在今年1月FDA要求CAR-T药物在说明书中添加方框警告,诺华、强生等企业表示将配合调整。

肿瘤专家在接受CNN网站专访时指出,已有数以万计的患者接受治疗,继发肿瘤风险极低,不必过度担心,它的疗效大大超过这些安全风险。需要治疗的患者往往因现有的血癌死亡,而CAR-T带来良好且持久性疗效让患者受益更多。

癌症疗法都有很多副作用,包括放疗化疗也会引起继发性癌症,还会常常复发。CAR-T副作用加入方框警告,医生可以与患者进一步告知相关风险;另一方面,也是为下一步的CAR-T产品研发提供了安全性指导。

发布于:北京市