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中科院抗癌药能精准杀肿瘤细胞 卖出4.57亿美元

2017-09-04 15:36:09   中国经济网

人民日报客户端9月4日报道,一个正在开发中的新药苗子能卖30亿人民币?这不是天方夜谭。今天中国科学院上海有机化学研究所与信达生物制药(苏州)有限公司达成授权开发达成合作协议:信达生物以首付款、研发里程碑和销售里程碑付款共计4.57亿美元另加销售提成的方式,获得中科院上海有机所研发的肿瘤免疫靶向小分子抑制剂IDO的全球独家开发许可权。

这是迄今为止我国制药领域金额最大的院企合作项目,堪称中国院企合作创新开发新药的重要里程碑。

据中科院上海有机所相关负责人介绍,创新药研发是当前国际科技竞争的重要战略制高点,其中,肿瘤免疫治疗药物的研发备受各国关注。近年来国内外临床研究证明,PD-1抗体是目前最有效的肿瘤免疫治疗药物,PD-1抗体与IDO抑制剂的联合疗法已取得令人满意的临床结果。

信达生物由“千人计划”国家特聘专家俞德超博士创办,于2011年在苏州生物医药产业园成立。该公司致力于开发、生产抗体新药,PD-1抗体是该公司的拳头产品,目前已进入三期临床。2015年,信达生物与世界制药巨头美国礼来两次就PD-1抗体等研发项目达成战略合作,信达生物共获得33亿美元的潜在合作金额,此项合作使当时成立仅三年多的信达生物在国际生物制药领域受到高度关注。

“中科院上海有机所研发的IDO抑制剂与我们当前正在开发的PD-1抗体有着潜在的协同治疗效果。”俞德超介绍,“此次合作,是中国创新资源在肿瘤免疫疗法上的‘强强联合’,不仅能推动合作成果早日惠及中国乃至全球病人,还将推动中国生物药抢占国际市场,在国际生物制药领域打响‘中国创新’品牌。”

此次双方达成合作的IDO小分子抑制剂全名为“吲哚胺2,3-双加氧酶”,由中国科学院上海有机化学研究所王召印、朱继东研究员研发获得。目前科学试验已证实,在前列腺癌、胰腺癌、乳腺癌、胃癌等多种肿瘤细胞内都有IDO 的过度表达。所谓IDO的过度表达,是指肿瘤细胞通过过度释放IDO阻止免疫细胞增殖激活,从而使肿瘤细胞逃避免疫系统的监视、“逍遥法外”,这也是早期癌症难以被免疫系统发现的原因之一。IDO抑制剂可以对IDO的过度表达进行抑制,从而使免疫细胞恢复活性,精准杀死肿瘤细胞,使PD-1抗体在治疗肿瘤中产生“如虎添翼”的效果。

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