CLIN CANCER RES:TRC105联合索拉菲尼治疗肝细胞癌

2017-08-24 MedSci MedSci原创

内皮糖蛋白(CD105)是一种在包括肝细胞癌在内的肿瘤血管表面高表达的内皮细胞膜受体,与不良预后有关。CD105对肿瘤血管生成至关重要,其表达受缺氧及VEGF通路抑制诱导。TRC105是一种IgG1 CD105单抗嵌合物,可以抑制肿瘤血管生成并诱导抗体依赖细胞毒性及增殖的内皮细胞凋亡。CLIN CANCER RES近期发表了一篇文章,报道了TRC105联合索拉菲尼治疗肝细胞癌的治疗效果。

内皮糖蛋白(CD105)是一种在包括肝细胞癌在内的肿瘤血管表面高表达的内皮细胞膜受体,与不良预后有关。CD105对肿瘤血管生成至关重要,其表达受缺氧及VEGF通路抑制诱导。TRC105是一种IgG1 CD105单抗嵌合物,可以抑制肿瘤血管生成并诱导抗体依赖细胞毒性及增殖的内皮细胞凋亡。CLIN CANCER RES近期发表了一篇文章,报道了TRC105联合索拉菲尼治疗肝细胞癌的治疗效果。

肝细胞癌患者每2周分别接受3,6,10,和15 mg/kg 的TRC105联合每天2次,400mg索拉菲尼治疗。研究相关的生物学标志包括DCE-MRI和血浆血管生成因子水平,包括可溶性内皮糖蛋白。研究共纳入26例患者,其中25例患者接受了治疗,平均年龄60岁。最常见的毒性反应为低级别鼻出血,为TRC105已知的毒性反应。1例冠状动脉狭窄的患者出现致死性心肌梗死,1例患者出现G3脑肿瘤出血。未达到最大耐受剂量。4个剂量水平24例可评估患者的总反应率为21%,可测量患者的总反应率为25%。4例患者出现病情稳定,其中1例患者治疗了22个月。24例可评估患者的平均无进展生存期为3.8个月,平均总生存期为15.5个月。

文章最后认为,TRC105和索拉菲尼在各自推荐剂量时联合使用耐受性良好,观察到了良好的药物活性。目前正在进行两药联合的多中心试验进一步验证其活性。

原始出处:
Austin G.Duffy,Chi Ma,et al.Phase Ⅰand Preliminary Phase ⅡStudy of TRC105 in Combination with Sorafenib in Hepatocellular Carcinoma.CLIN CANCER RES.August 2017 doi:10.1158/1078-0432.CCR-16-3171

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    2017-12-31 xjy02
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    2017-08-25 半夏微凉

    学习了.谢谢分享

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