EC授予卫材单抗药amatuximab孤儿药地位

2014-01-23 tomato 生物谷

卫材(Eisai)1月21日宣布,欧盟委员会(EC)已授予单抗药物amatuximab孤儿药地位,用于恶性间皮瘤(malignant mesothelioma)的治疗。 恶性间皮瘤是一种罕见肿瘤,在欧洲,每年的发病率为1/50000。研究表明,英国和爱尔兰发病率最高,而东欧发病率最低。恶性间皮瘤由接触石棉(asbestos)所致,尽管自从70年代中期之后,石棉的使用急剧下降,但恶性间皮瘤发病率却

卫材(Eisai)1月21日宣布,欧盟委员会(EC)已授予单抗药物amatuximab孤儿药地位,用于恶性间皮瘤(malignant mesothelioma)的治疗。

恶性间皮瘤是一种罕见肿瘤,在欧洲,每年的发病率为1/50000。研究表明,英国和爱尔兰发病率最高,而东欧发病率最低。恶性间皮瘤由接触石棉(asbestos)所致,尽管自从70年代中期之后,石棉的使用急剧下降,但恶性间皮瘤发病率却在增加。

Amatuximab对间皮素(mesothelin)具有很高的亲和力和特异性。间皮素是一种蛋白,在恶性间皮瘤患者中过量表达。Amatuximab由卫材旗下Morphotek公司发现和开发。

关于amatuximab

Amatuximab是一种嵌合免疫球蛋白G-1-κ(IgG1/κ)单克隆抗体,对间皮素具有很高的亲和力和特异性。间皮素是一种糖蛋白,鉴于该蛋白在间皮瘤细胞表面过量表达,目前认为该蛋白是间皮瘤治疗的一个重要靶标。

关于恶性间皮瘤(malignant mesothelioma):

间皮瘤是一种极具侵略性、侵袭性形式的肺癌,起源于胸膜、腹膜和心包腔內壁的间皮细胞。石棉接触是导致恶性间皮瘤的主要原因。间皮瘤的症状是非特异性的,因此往往导致显著延迟该病的确诊,确诊后患者平均生存时间仅为9-12个月。

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    2015-03-03 xiaoai5777

    好文章,超赞

    0

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    2015-01-04 snf701207
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