ASCO 2013:贝伐单抗联合伊立替康治疗胶质母细胞瘤优于替莫唑胺

2013-06-08 ASCO dxy

美国临床肿瘤学会年会上一位研究者报道说:在延缓甲基鸟嘌呤甲基转移酶未分化恶性胶质瘤患者病情进展方面,贝伐单抗联合伊立替康治疗明显优于替莫唑胺。 德国波恩大学神经科Ulrich Herrlinger博士报道说:在第Ⅱ阶段的GLARIUS试验中,与41.3%随机接受替莫唑胺治疗(P﹤0.0001)的患者相比,79.6%接受贝伐单抗(阿瓦斯丁)联合伊立替康治疗的患者在6个月内病情无进展。这项研究的主要

美国临床肿瘤学会年会上一位研究者报道说:在延缓甲基鸟嘌呤甲基转移酶未分化恶性胶质瘤患者病情进展方面,贝伐单抗联合伊立替康治疗明显优于替莫唑胺。

德国波恩大学神经科Ulrich Herrlinger博士报道说:在第Ⅱ阶段的GLARIUS试验中,与41.3%随机接受替莫唑胺治疗(P﹤0.0001)的患者相比,79.6%接受贝伐单抗(阿瓦斯丁)联合伊立替康治疗的患者在6个月内病情无进展。这项研究的主要结局是:无进展生存期为6个月。一项初步分析提示贝伐单抗+伊利康唑联合治疗存在潜在整体生存优势。在每组中接近50%的患者死亡后,与替莫唑胺组(危害比0.60;P = .031)14.8个月的平均生存期相比,贝伐单抗∕伊利康唑组的平均生存期是16.6个月。

Herrlinger博士说:“显然地,我们舍弃替莫唑胺而选择一些不同的药物如贝伐单抗∕伊利康唑来治疗这些患者,并没有对他们造成伤害”。他说:对于MGMT(O -甲基鸟嘌呤-DNA甲基转移酶)甲基化的胶质母细胞瘤患者,这种联合疗法有望替代替莫唑胺疗法。据Herrlinger博士说:大约55%-65%新诊断的恶性胶质瘤没有被甲基转移酶(一种修复酶)甲基化,这些情况比甲基转移酶甲基化的恶性细胞瘤预后更差。

研究者在德国22个中心检测了恶性胶质细胞瘤患者MGMT水平,并把总数182名新诊断的、结构上证实为MGMT—未甲基化恶性胶质细胞瘤患者随机分组。这些患者中,170名接受了至少一个月的药物治疗,并且评价疗效;这些患者被纳入分析中。所有的患者均接受60Gy的局部放射,分成30个阶段,每阶段2Gy。患者按2:1的比例随机分成2组,贝伐单抗∕伊利康唑组(116名患者)和替莫唑胺组(54名患者)。

该项试验组在放疗并维持贝伐单抗在相同剂量时,接受每两周10 mg/kg贝伐单抗和伊立替康125 mg/m治疗或与不或剂量为340 mg/m的酶诱导性抗癫痫剂联合应用。标准疗法组在放疗期间被给予每日75 mg/m替莫唑胺,随后每四周给予6个疗程的替莫唑胺,每个疗程5天,剂量为150-200 mg/m除了6个月无进展生存期的优势外,中位无进展生存期:贝伐单抗∕伊利康唑更长为9.74个月,用替莫唑胺治疗的患者为6个月(HR0.30,P ﹤0.0001)。此外,用联合方案治疗的患者平均每日胆固醇使用量少于用替莫唑胺治疗的患者。

安全性分析显示:3或4级的血管紊乱——包括深静脉血栓形成、肺栓塞及高血压——发生于10.9%的贝伐单抗∕伊利康唑治疗组患者,而用替莫唑胺治疗的患者发生率为3.6%。这种联合治疗组的3级或4级腹泻及恶心、伤口感染和蛋白尿发生率也高于替莫唑胺组。然而,替莫唑胺组血液毒性的发生率为14.8,高于贝伐单抗∕伊利康唑组的1.7%。

被邀请的评论者洛杉矶加利福尼亚大学神经肿瘤学家Albert Lai博士说:“我认为意识到贝伐单抗是有毒性的这个信号是很重要的”Albert Lai博士发表评论说:GLARIUS研究者观察到的整体生存信号可能已经受到交叉治疗的影响,用在替莫唑胺治疗后病情进展交叉至贝伐单抗∕伊利康唑组。替莫唑胺组治疗的54个患者中,有29个交叉分入贝伐单抗∕伊利康唑组。

GLARIUS试验由瑞士罗氏赞助。Herrlinger博士声明是该公司的顾问和讲师,并从该公司获得研究支持。Lai博士声明是基因泰克/罗氏公司的顾问,并从该公司获得研究基金。

Bevacizumab plus irinotecan beats temozolomide in stalling glioblastoma
CHICAGO – The combination of bevacizumab and irinotecan far outshone tenozolomide in delaying disease progression among patients with MGMT-unmethylated glioblastoma, an investigator reported at the annual meeting of the American Society of Clinical Oncology.
In the phase II GLARIUS trial, 79.6% of patients treated with bevacizumab (Avastin) and irinotecan (Camptosar) were free of progression at 6 months, compared with 41.3% of patients randomized to receive temozolmide (Temodar) (P less than .0001), reported Dr. Ulrich Herrlinger from the department of neurology at University Clinic of Bonn, Germany....

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Clin Cancer Res :肠癌患者是否受益于贝伐单抗取决于VEGF水平

    近日,一项最新研究证实比较贝伐单抗(阿瓦斯丁)靶向作用的特定蛋白质水平可能将确定晚期肠癌患者是否受益于贝伐单抗的治疗,相关研究论文发表在10月23日的Clinical Cancer Research杂志上。   贝伐单抗或贝伐单抗,已证实能增加约10至15%的患者肠癌的生存期,但一直无法预测哪些患者将会受益于此药。阿瓦斯丁定向阻断VEGF-A蛋白,VEGF-

JCO:贝伐单抗联用FOLFOX6不能改善2-3期结肠癌患者生存期

2012年12月10日在线出版的《临床肿瘤学杂志》(Journal of Clinical Oncology)上,参与美国乳腺与肠道外科辅助项目的Carmen J. Allegra等人发表了关于该项目C-08临床试验的一篇文章,该试验目的是,面向2-3期结肠癌患者,对贝伐单抗联用氟尿嘧啶、亚叶酸钙以及奥沙利铂(FOLFOX6)辅助治疗的安全性和有效性进行研究。该文分别对该试验主要终点和次要终点,即

SABCS:乳腺癌贝伐单抗治疗走向终点?

       根据第35届圣安东尼奥乳腺癌研讨会公布的研究结果,在三阴乳腺癌的术后化疗方案中添加贝伐珠单抗并未显著改善无病生存。        3期BEATRICE试验的初步结果可能是这种进行广泛试验的乳腺癌药物走向终点的信号,一位专家如是说。        “这

CTRC-AACR:多项贝伐单抗临床试验报告公布

   贝伐单抗在晚期乳腺癌的治疗中的疗效一直很有争议。在今年即将召开的圣安东尼奥乳癌研讨会(CTRC-AACR)上,将会报告两项新的临床试验研究(BEATRICE研究和LEA研究)。        BEATRICE:剑指早期三阴乳腺癌        由 贝伐单抗(阿瓦斯汀)的销售

JCO:贝伐单抗联合多西他赛及曲妥珠单抗不能改善乳腺癌患者无进展生存率

在2013年4月8日在线出版的《临床肿瘤学杂志》(Journal of Clinical Oncology)上,意大利米兰San Raffaele医院的Luca Gianni发文对AVEREL临床III期试验的结果进行了报告,AVEREL [阿瓦斯汀(贝伐单抗)联合赫赛汀(曲妥珠单抗)/多西他赛治疗HER2呈阳性的转移性乳腺癌患者]临床试验主要针对人表皮生长因子受体2(HER2)呈阳性的局部复发性

Meta分析:阿瓦斯汀对乳腺癌患者无益

MedSci补充:本荟萃分析表明对转移性乳腺癌来说,抗VEGF治疗,仍然存在争议。对患者的PFS来说,可能是有益的,但对OS,以及QOL尚未发现益处。但是VEGF已被中止用于乳腺癌,因此,本荟萃分析的价值是相对较小的。但是,阿瓦斯汀仍广泛用于治疗其它一些肿瘤的治疗。       针对抗癌药阿瓦斯汀(贝伐单抗)一项的新研究显示,并不能延长