CCC:Tivozanib联合mFOLFOX6方案治疗进展期胃肠道恶性肿瘤疗效满意

2014-12-22 Hakim Lee 译 MedSci原创翻译

Tivozanib是一种强有效的和有选择性的血管内皮生长因子(VEGF)受体酪氨酸激酶抑制剂(TKI),临床前模型研究已发现其可加强5-氟尿嘧啶的抗肿瘤活性。近日,荷兰Erasmus大学癌症研究所等处的科学家就不断递增的tivozanib剂量联合改良的FOLFOX6(mFOLFOX6)方案治疗进展期胃肠道恶性肿瘤的最大耐受剂量(MTD)、剂量限制性毒性(DLTs)、药代动力学(PK)和抗肿瘤活性进

Tivozanib是一种强有效的和有选择性的血管内皮生长因子(VEGF)受体酪氨酸激酶抑制剂(TKI),临床前模型研究已发现其可加强5-氟尿嘧啶的抗肿瘤活性。


近日,荷兰Erasmus大学癌症研究所等处的科学家就不断递增的tivozanib剂量联合改良的FOLFOX6(mFOLFOX6)方案治疗进展期胃肠道恶性肿瘤的最大耐受剂量(MTD)、剂量限制性毒性(DLTs)、药代动力学(PK)和抗肿瘤活性进行了研究,发现tivozanib联合改良的FOLFOX6方案治疗进展期胃肠道恶性肿瘤疗效切实可行且相对安全,最新研究成果在线发表于12月15日的Clincal Colorectal Cancer杂志上。

研究设计为tivozanib每天口服一次共21天,28天为一周期,每14天联合mFOLFOX6方案一次。mFOLFOX6方案停止后还可继续口服tivozanib。30例患者被分配接受tivozanib 0.5mg(n=9)、1.0mg(n=3)或1.5mg(n=18)联合mFOLFOX6方案治疗。

研究结果显示,受试者接受tivozanib治疗的时间平均为5.2(0.03-26.9)个月。2例患者发生剂量限制性毒性DLTs:tivozanib 0.5mg组3/4级转氨酶升高1例;tivozanib 1.5mg组3级眩晕1例。其他3/4级不良事件还包括高血压 (n=8)、疲乏(n=8)和中性粒细胞减少(n=6)。Tivozanib联合改良的FOLFOX6方案的最大耐受剂量MTD被确认为1.5mg。研究尚未发现tivozanib联合改良的FOLFOX6方案药代动力学PK之间存在相互作用。研究还观察到,1例患者正趋于临床完全缓解CR,10例部分缓解PR,还有11例病情长期稳定。

该研究认为,tivozanib联合改良的FOLFOX6方案治疗进展期胃肠道恶性肿瘤疗效切实可行且相对安全。联合方案中tivozanib的推荐剂量为1.5mg/day。研究同时还指出,观察到的tivozanib联合改良的FOLFOX6方案治疗胃肠道恶性肿瘤的临床活性还值得进一步探索。

原文出处:

Corina N Oldenhuis, Walter J Loos, Brooke Esteves, et al. A phase Ib study of the VEGF receptor tyrosine kinase inhibitor tivozanib and modified FOLFOX6 in patients with advanced gastrointestinal malignancies. Clincal Colorectal Cancer, Dec 15, 2014, doi: http://dx.doi.org/10.1016/j.clcc.2014.12.001

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    2014-12-24 liao1619
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    2014-12-24 linlin2314
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