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EUR J Cancer:Lenvatinib治疗甲状腺癌临床试验中的生物标志物的探索性分析

2017-12-30 MedSci MedSci原创

美国FDA已经批准了Lenvima(lenvatinib)治疗侵袭性、分化型甲状腺癌(DTC)患者,适用于在接受放射性碘治疗后疾病仍恶化(放射性碘难治性疾病)的患者。一项III期研究(E7080)显示,Lenvatinib能够显著延长放射性碘难治性分化型甲状腺癌患者的无进展生存期(PFS)。 研究者根据该临床试验,继续进行了Lenvatinib治疗中的生物标志物的探索性分析。

美国FDA已经批准了Lenvimalenvatinib)治疗侵袭性、分化型甲状腺癌(DTC)患者,适用于在接受放射性碘治疗后疾病仍恶化(放射性碘难治性疾病)的患者。一项III期研究(E7080)显示,Lenvatinib能够显著延长放射性碘难治性分化型甲状腺癌患者的无进展生存期(PFS)。 研究者根据该临床试验,继续进行了Lenvatinib治疗中的生物标志物的探索性分析。

在试验中,在基线和整个治疗过程中收集患者血液样本中的循环细胞因子/血管生成因子(CAF)数据,并对肿瘤组织中的BRAFNRAS/KRAS/HRAS突变进行分析。该研究对183/39247%)和387/39299%)例患者分别进行了肿瘤和CAF分析,对于经lenvatinib治疗的患者,交互作用项分析显示,较低的Ang2水平预示着肿瘤缩小的发生。同时患者血管内皮生长因子和成纤维细胞生长因子23FGF23)在lenvatinib治疗后均显著上调。

根据PFS的改善与FGF23的上调显著有关这一事实,研究人员推测Lenvatinib诱导的FGF受体抑制有助于提高Lenvatinib临床疗效。 

原始出处:

Tahara, Makoto, et al. "Exploratory analysis of biomarkers associated with clinical outcomes from the study of lenvatinib in differentiated cancer of the thyroid." European Journal of Cancer 2017 75: 213-221. doi.org/10.1016/j.ejca.

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    2018-01-01 tastas
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