EUR J Cancer:患者衍生的纤维肿瘤异种移植物预测肿瘤细胞对多柔比星/达卡巴嗪的高度敏感性

2017-12-30 MedSci MedSci原创

作为一种临床前模型,用以模仿病理和分子特征的纤维肿瘤异种移植物(SFT)是筛选有效的治疗方法和候选化合物的重要工具。 而这项研究旨在发展两个临床前SFT模型,评估其在临床中的预测价值,并寻找潜在的新型有效治疗药物。

作为一种临床前模型,用以模仿病理和分子特征的纤维肿瘤异种移植物(SFT)是筛选有效的治疗方法和候选化合物的重要工具。 而这项研究旨在发展两个临床SFT模型,评估其在临床中的预测价值,并寻找潜在的新型有效治疗药物。

研究者们从患者的活组织中获得两种去分化-SFTD-SFT)模型,并使其在免疫缺陷型小鼠中生长。 对多柔比星,达卡巴嗪(DTIC),异环磷酰胺,trabectedin和艾日布林的的抗肿瘤活性进行了测试。 用阿霉素和DTIC处理了12SFT模型。

相比于单药治疗,多柔比星/ DTICDTIC /异环磷酰胺,多柔比星/异环磷酰胺组合能够产生更好的抗肿瘤活性。 特别是多柔比星/ DTIC组合对两种模型的肿瘤体积抑制率均大于80%。由此可见多柔比星联合DTIC在两种去分化-SFT模型中均是有效的,并且临床的实际使用情况也证明了这一点。使用该模型,也证明了trabectedineribulin对纤维肿瘤的高度有效性,因此患者衍生的纤维肿瘤异种移植物为该类肿瘤的合理用药提供了依据。 

原始出处:

Stacchiotti, S., et al. "Patient-derived solitary fibrous tumour xenografts predict high sensitivity to doxorubicin/dacarbazine combination confirmed in the clinic and highlight the potential effectiveness of trabectedin or eribulin against this tumour." European Journal of Cancer 2017 76: 84-92. doi.org/10.1016/j.ejca.

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在对早期乳腺癌患者制定最佳辅助化疗方案时的主要决定因素是治疗方案的有效性和毒性反应。Lawrence N. Shulman等认为紫杉醇单药治疗的毒性反应要小于多柔比星联合环磷酰胺,为了确定这两种方案对早期乳腺患者的有效性是否一致,他们进行了研究并在ASCO2013上发表了他们的研究结果。 本研究为2*2的析因研究,研究所纳入的受试者为可经手术治疗的乳腺癌患者,并且其腋淋巴结阳性数在0-3之间

NEJM:晚期肾上腺癌联合化疗

       《新英格兰医学杂志》近期在线发表的一项大型多中心研究表明,米托坦联合3药化疗不能显著延长晚期肾上腺皮质癌患者的总生存期,但可显著提高缓解率和无进展生存(PFS)率。   依托泊苷-多柔比星-顺铂(EDP)化疗联合米托坦较米托坦联合链佐星治疗可使患者总生存期延长约3个月,但未获得统计学显著性。   EDP组较对照组中位PFS期延长2.