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美国九家癌症中心起诉基因泰克违约偷减抗癌药赫赛汀剂量

2016-03-02 佚名 生物谷

据洛杉矶时报报道,美国九家癌症中心分别起诉基因泰克违约偷减乳腺癌治疗药赫赛汀Herceptin剂量。赫赛汀是基因泰克推出的治疗HER2阳性弥散性乳腺癌的重磅药。 控诉声称,基因泰克提供的赫赛汀冻干粉在加到注射液混合后浓度与规定不一致,这就导致癌症中心必须购买更多的赫赛汀。癌症中心解释称,混合液体积本应该是20.952ml,但是实际却只有20.2ml。在外人看来只差0.7ml貌似问题不大,但癌症

据洛杉矶时报报道,美国九家癌症中心分别起诉基因泰克违约偷减乳腺癌治疗药赫赛汀Herceptin剂量。赫赛汀是基因泰克推出的治疗HER2阳性弥散性乳腺癌的重磅药。

控诉声称,基因泰克提供的赫赛汀冻干粉在加到注射液混合后浓度与规定不一致,这就导致癌症中心必须购买更多的赫赛汀。癌症中心解释称,混合液体积本应该是20.952ml,但是实际却只有20.2ml。在外人看来只差0.7ml貌似问题不大,但癌症中心称剂量总量是非常重要的,因为给药量是依据患者每kg体重添加定量赫赛汀来计算的。

控诉的九家癌症中心之一的Tennessee Oncology称,申诉是为了寻求在给予病人治疗时额外补加的赫赛汀所多出花费的补偿。其在该月初的诉讼文件中指出,因基因泰克开发多剂型种类的赫赛汀,使得发现剂量偏低这种情况也更加困难。

其他起诉基因泰克赫赛汀偷减剂量分别在纽约、弗罗里达、俄克拉何马州、明尼苏达州、维吉尼亚州和华盛顿特区。审判小组下月将决定是否转移该案件至俄克拉何马州北部的地方法院。

这已经不是赫赛汀第一次出问题了。在去年3月,一项健康服务公司Novation的调查报道称,在基因泰克改变分销方法后药物配销出现了问题。81%的调查参与者称,基因泰克分销由一个广泛的网络分销变为为数不多的专业分销商对费用有显着影响。63%认为分销变得不可靠,88%称因药物剂量不准确而延缓了病人治疗。2014年秋季,基因泰克告知医院,该公司的三种抗癌药由特定的六家分销商专门提供,以确保生产变化是仍能提供。

赫赛汀是基因泰克2002上市的重磅单抗药物,是治疗HER2阳性的弥散性乳腺癌的金标准, 2015年销售额达58亿美元。其有效成分为曲妥珠单抗是一种重组DNA 衍生的人源化单克隆抗体,。但其专利在欧洲去年7月已经到期,美国专利2019年到期,为应对仿制药竞争,其推出了作为Herceptin与pertuzumab的辅助药物,Perjeta 能帮助病人延长至少16个月的生命,这在HER2阳性晚期乳腺癌治疗中是空前的,因为通常被诊断为HER-2乳腺癌晚期的患者只有2-3年的预期寿命。

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    2016-03-04 sunylz
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    2016-03-04 huirong
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