JAMA ONCOL:BIND-014治疗转移性去势抵抗前列腺癌

2018-07-07 MedSci MedSci原创

利用靶向前列腺特异性膜抗原(PSMA)的纳米药物将多西他赛输送到肿瘤部位已被证明是临床有效的,且可以通过PSMA阳性循环肿瘤细胞减少监测疾病治疗情况。JAMA ONCOL近期发表了一篇文章,研究靶向PSMA的含有多西他赛的纳米药物BIND-014治疗转移性去势抵抗前列腺癌患者的安全性和有效性。

利用靶向前列腺特异性膜抗原(PSMA)的纳米药物将多西他赛输送到肿瘤部位已被证明是临床有效的,且可以通过PSMA阳性循环肿瘤细胞减少监测疾病治疗情况。JAMA ONCOL近期发表了一篇文章,研究靶向PSMA的含有多西他赛的纳米药物BIND-014治疗转移性去势抵抗前列腺癌患者的安全性和有效性。

研究纳入未接受过化疗的转移性去势抵抗前列腺癌患者,患者接受过阿比特龙或恩杂鲁胺治疗。在21天的周期中,第一天患者静脉输入BIND-014,剂量为60mg/m2联合泼尼松直至出现疾病进展或不可耐受毒性。主要研究终点是影像学无进展生存情况。次要研究终点包括PSA反应以及循环肿瘤细胞改变情况。研究最终纳入42例患者,中位年龄66岁,中位接受治疗量为6。40例患者中有12例观察到PSA反应,19例患者中6例出现疾病缓解,26例患者中13例出现循环肿瘤细胞改变。中位影像学无进展生存期为9.9个月。利用Epic Science non-EPCAM CTC检测平台,在18例患者中有16例患者检测到了循环肿瘤细胞,其中11例患者在基线水平时同时存在PSMA阳性。治疗后,PSMA阳性循环肿瘤细胞减少。治疗相关不良反应包括1级和2级虚弱,恶心,神经病和中性粒细胞减少性发热。

文章最后认为,BIND-014治疗未接受过化疗的转移性去势抵抗前列腺癌患者有效且耐受性良好。抗肿瘤活性可能与循环肿瘤细胞的PSMA表达水平有关,因此可以在治疗前鉴别出可能从该治疗中获益的患者。

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    2018-08-23 minlingfeng
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    2018-11-09 kafei

    学习了谢谢

    0

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    2018-07-09 xiaogang319

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