TAMO:阿帕替尼在难治性转移性胆道癌中的疗效和安全性

2021-09-12 Nebula MedSci原创

在转移性 BTC 患者中,阿帕替尼展现出了抗肿瘤活性,而且安全性可控

目前,一线化疗难治性的转移性胆道癌 (BTC) 还没有标准疗法。阿帕替尼(Apatinib)是一种 VEGFR2 酪氨酸激酶抑制剂,已在预临床模型中展现出了抗 BTC 移植瘤的活性。

本研究是一项探索性研究,旨在评估阿帕替尼用于转移性 BTC 的疗效和安全性。

这是一项单臂的 II 期研究,招募了年满 18 岁的、组织学确诊的转移性 BTC 患者,且要求受试患者至少对一种化疗方案耐药或难治性、既往未采用抗血管生成靶向药物、ECOG 表现状态 0-2 分。受试患者接受每天口服阿帕替尼 500 mg 直到病情进展或出现不可接受的毒性。主要终点是无进展生存期(PFS)。次要终点包括总生存期(OS)、客观缓解率(ORR)和治疗安全性。

不同分组患者的PFS

共招募了 22 位患者(中位年龄 63 岁 [44-75]),都接受了阿帕替尼治疗。20 位患者在治疗后接受了疗效评估。客观缓解率和疾病控制率(DCR)分别是15.0% 和 60.0%中位 PFS 为 2.73 个月(95%CI 1.74-3.72),6 个月 PFS 率为 27.3%(95CI 8.7-45.9%)。中位 OS 为 4.81 个月(95%CI 3.16-10.9),12 个月 OS 率为 36.4%(16.2-56.6%)。

不同分组患者的OS

22 位患者中有 9 位(40.9%)发生了 3/4级的不良反应事件。最常见的3/4级不良事件有手足皮肤综合征(3例[13.6%])和高血压(2例[9.1%])。无治疗相关死亡。

综上,在转移性 BTC 患者中,阿帕替尼展现出了抗肿瘤活性,而且安全性可控,值得进一步研究。

原始出处:

Wang Chenchen,Huang Mingzhu,Geng Qirong et al. Apatinib for patients with metastatic biliary tract carcinoma refractory to standard chemotherapy: results from an investigator-initiated, open-label, single-arm, exploratory phase II study.[J] .Ther Adv Med Oncol, 2021, 13: 17588359211039047.

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    2021-09-14 freve
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    2021-09-13 查查佳佳

    不今天卡路里卡路里卡路里边儿童

    0

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    2021-09-13 内科新手

    谢谢梅斯提供这么好的信息,学到很多

    0

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