210亿美元!吉利德收购Immunomedics,将“first-in-class”抗体偶联药物收入囊中

2020-09-14 医谷网 医谷网

日前,吉利德科学宣布与美国生物技术公司Immunomedics(Nasdaq:IMMU)达成最终协议,吉利德将以每股现金88美元,总计约210亿美元的价格收购Immunomedics,交易预计将在20

日前,吉利德科学宣布与美国生物技术公司Immunomedics(Nasdaq:IMMU)达成最终协议,吉利德将以每股现金88美元,总计约210亿美元的价格收购Immunomedics,交易预计将在2020年第四季度完成。

通过此次收购,吉利德将再度扩充其肿瘤产品管线,并获得Immunomedics靶向Trop-2的“first-in-class”抗体偶联药物Trodelvy(sacituzumab govitecan-hziy),该药在获得加速批准、优先审评、突破性疗法认定和药物评审快速通道后,于今年4月22日获得FDA批准用于既往接受过至少2种疗法的转移性三阴性乳腺癌(mTNBC)成人患者的三线治疗。

Trodelvy是FDA批准的首个治疗三阴乳腺癌的抗体偶联药物,也是首个获批的靶向人滋养层细胞表面抗原2(Trop-2)的抗体偶联药物,由靶向TROP-2的抗体Sacituzumab与毒素药物伊立替康(irinotecan)的活性代谢物SN-38通过linker(CL2A)连接构成。

Trop-2在乳腺癌、宫颈癌、结直肠癌等多种肿瘤细胞表面大量表达而在正常组织中表达较少。在三阴性乳腺癌中,Trop-2表达率达到90%,因而Trodelvy可以通Sacituzumab将SN-38靶向运送到实体瘤病灶,发挥化学毒性杀伤作用。

据悉,关于Trodelvy治疗晚期mTNBC3期临床试验ASCENT的详细结果预计将在今年的欧洲肿瘤内科学会(ESMO)虚拟大会上公布,此外一同公布的还将包括Trodelvy作为三线疗法治疗HR+/HER2-乳腺癌患者以及在注册性2期临床试验中治疗膀胱癌等其他实体瘤的试验数据。

同时,Immunomedics计划于今年第四季度提交补充生物制品许可申请(sBLA),支持Trodelvy获得FDA的全面批准。

此次收购,是吉利德继2017年以119亿美元收购CAR-T公司Kite Pharma,2020年3月以49亿美元收购CD47抗体药物的先驱FortySeven,6月以2.75亿美元收购癌症免疫疗法公司Pionyr49.9%的股权,7月以3亿美元收购癌症免疫疗法公司Tizona 49.9%的股权等后,其在肿瘤的又一大手笔布局。新闻稿指出,Trodelvy将为吉利德科学带来一个基石性的产品,拓宽和深化公司的实体瘤管线,而内人士预测,到2024年Trodelvy 的全球销售额可达到14.4 亿美元。

在国内,Trodelvy的权益则归临床后期生物制药公司云顶新耀(Everest Medicines)所有。2019年5月,云顶新耀与Immunomedics达成8.35亿美元独家许可协议,获得Trodelvy在大中华区、韩国及一些同南亚国家和地区的开发和推广权益。目前,该公司计划在2020-2021年就该产品开展针对mTNBC三线治疗的桥接注册性试验、HR+/HER2-转移性乳腺癌(mBC)三线治疗的注册性试验、转移性尿路上皮细胞癌二/三线治疗的注册性试验,以及亚洲篮子试验等。此外,云顶新耀计划在2021年年底前或2022年上半年在中国提交该产品上市申请。

此外,国内科伦药业、百奥泰、君实生物、凯地生物等企业也在进行Trop-2抗体欧联药物的布局,目前科伦药业已进入II期临床,其他企业处于I期阶段。

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    2021-04-08 jeanqiuqiu
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    2020-09-16 14818eb4m67暂无昵称

    学习

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    2020-09-15 lovetcm

    #吉利德#到处收购

    0

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