JCO:BV能有效治疗两种皮肤T细胞淋巴瘤

2015-07-27 MedSci MedSci原创

阿里贝尔氏病(Mycosis fungoides,MF)和塞扎莱综合征(Sezary syndrome,SS)是皮肤T细胞淋巴瘤(CTCL)中最为常见的亚型。处于疾病早期的病人有着良好的预后;但是,患有晚期疾病的病人的生存率则是折中的,尤其是存在不良的预后因子,如:大细胞转化真皮外的疾病等。现有的疗法鲜有提供持久的响应,唯一潜在的疗法是造血干细胞移植。因此急需新的治疗MF/SS的疗法。Brentu

阿里贝尔氏病(Mycosis fungoides,MF)和塞扎莱综合征(Sezary syndrome,SS)是皮肤T细胞淋巴瘤(CTCL)中最为常见的亚型。处于疾病早期的病人有着良好的预后;但是,患有晚期疾病的病人的生存率则是折中的,尤其是存在不良的预后因子,如:大细胞转化真皮外的疾病等。现有的疗法鲜有提供持久的响应,唯一潜在的疗法是造血干细胞移植。因此急需新的治疗MF/SS的疗法。


Brentuximab vedotin(BV)是一种抗CD30单克隆抗体,通过linker与单甲基阿里他汀E结合。BV治疗霍奇金淋巴瘤和全身退行发育大细胞淋巴瘤有着很好的治疗效果。为了探索BV对于MF/SS患者的临床活性,研究人员开展了二期临床试验,从而建立起MF/SS人群中BV用量的安全范围。在此次二期临床试验中,共有32名患者参与。患者的CD30表达水平并不相同,每三周接受BV治疗(剂量为1.8mg/kg)。主要的终点是总体的响应率。次要终点包括了组织CD30表达水平与临床响应、响应的时间、响应的时间段、无进展和无病生存期以及安全性的相关性。

32人中有30人的有效性评价可以得到。客观总体响应率为70%。使用免疫组织化学方法评价CD30表达。小于5%CD30表达的患者比其他人的总响应率要低。

表明Brentuximab vedotin对于晚期MF或者SS有着显著的临床活性,即使病人的CD30表达水平不同。此外,对于生物标志物的研究或许能帮助优化BV联合用药的合理设计。

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    2016-01-25 lidong40
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