百时美施贵宝的PD-1单抗Opdivo未来增长前景堪忧

2019-01-25 MedSci MedSci原创

百时美施贵宝公司BMS的2018第四季度业绩显示,肿瘤免疫治疗重磅药物Opdivo的销售额增长良好,但有迹象显示该药物的未来增长前景令人担忧。

百时美施贵宝公司BMS的2018第四季度业绩显示,肿瘤免疫治疗重磅药物Opdivo的销售额增长良好,但有迹象显示该药物的未来增长前景令人担忧。

PD-1单抗Opdivo(nivolumab)在2018年第四季度带来了18亿美元的收益,增幅为33%,远远高于路透社分析师调查所预期的水平 - 但与去年同期第三季度的17.9亿美元相比基本持平。

竞争对手Merck&Co / MSD的检测点抑制剂Keytruda(pembrolizumab)于去年首次超过Opdivo销售额,这主要是因为Keytruda在拥有巨大利润空间的肺癌市场中占据主导地位。

BMS首席执行官Giovanni Caforio在BMS第四季度电话会议上不止一次强调肺癌是Opdivo拥有"更广阔市场"的重要部分。由于新的适应症的获批,如辅助黑色素瘤和一线肾癌,该公司仍预计2019年该药物将在"美国和国际"中获得稳健增长。然而他补充说,在2020年 "增长前景将取决于我们今年在肺部和其他肿瘤中看到的数据"。

BMS首次尝试用Opdivo打入NSCLC市场是一次巨大的失误,在CheckMate-026试验中,该药物的表现都比化学疗法更差,因为CheckMate-026试验招募了广泛的具有不同PD-L1表达水平的患者。

而默克公司采用了较为狭窄的方法将Keytruda打入肺癌市场,在具有高PD-L1表达的患者试验中取得了成功,并进入了一线市场,随后又进行了其他试验,扩大并巩固了其应用范围。

Opdivo面临的困难促使BMS决定花费740亿美元与Celgene合并--增加其癌症和免疫学组合。合并后的公司可能在未来几年推出六种新药,而Celgene最畅销的Revlimid(来那度胺)的销售在未来几年同时也要面临着仿制药竞争的威胁。

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    2019-08-21 jktdtl
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