EUR J Cancer:贝伐单抗/紫杉醇与安慰剂/紫杉醇作为HER2阴性转移性乳腺癌一线治疗的临床试验中生物标志物分析

2017-12-31 MedSci MedSci原创

在本文中,研究人员评估了血浆血管内皮生长因子-A(pVEGF-A)的水平,并且前瞻性地将pVEGF-A作为贝伐单抗治疗转移性乳腺癌(mBC)疗效的预测性生物标志物。在这项双盲、安慰剂对照的随机III期临床试验中,患者患有HER2阴性转移性乳腺癌。在紫杉醇(90 mg/m2)联合安慰剂或贝伐单抗使用的第1天、第8天和第15天检测患者体内的pVEGF-A的水平。

在本文中,研究人员评估了血浆血管内皮生长因子-ApVEGF-A)的水平,并且前瞻性地将pVEGF-A作为贝伐单抗治疗转移性乳腺癌(mBC)疗效的预测性生物标志物。在这项双盲、安慰剂对照的随机III临床试验中,患者患有HER2阴性转移性乳腺癌。在紫杉醇(90 mg/m2)联合安慰剂或贝伐单抗使用的第1天、第8天和第15天检测患者体内的pVEGF-A的水平。

结果显示,在随机分配的481例患者中(242例安慰剂+紫杉醇;239例贝伐单抗+紫杉醇),471人接受了研究。在意向治疗人群中,分层PFS风险比为0.6899%置信区间,0.51-0.91);在pVEGF-A高表达亚组中为0.6496%置信区间,0.47-0.88)。而贝伐单抗与出血发生率的增加、中性粒细胞的减少和高血压的发生有关。

因此,贝伐单抗显著改善PFS这一结论与之前的转移性乳腺癌的临床试验一致。但该结果并不肯定pVEGF-A的水平高低对贝伐单抗治疗HER2阴性乳腺癌患者是否有利。 

原始出处:

Miles, David, et al. "Bevacizumab plus paclitaxel versus placebo plus paclitaxel as first-line therapy for HER2-negative metastatic breast cancer (MERiDiAN): A double-blind placebo-controlled randomised phase III trial with prospective biomarker evaluation." European Journal of Cancer 2017 70: 146-155. doi.org/10.1016/j.ejca.

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EUR J Cancer:转移性结直肠癌患者经化疗联合西妥昔单抗或贝伐单抗治疗后的手术可行性评估:FIRE-3临床试验评估

FIRE-3临床试验研究了化疗联合西妥昔单抗或贝伐单抗治疗未经治疗的转移性结直肠癌(mCRC),德国慕尼黑大学的研究人员通过该临床试验,确定了经系统性一线治疗方案后具有潜在肿瘤可切除性的mCRC患者数量,并将这些研究结果和那些关注可切除性的研究作了详细对比。研究人员对448名患者的治疗结果进行了盲法评估,而可切除性的定义是否至少有50%的评价者推荐手术干预,总生存期则用Kaplane-Meier法

EUR J Cancer:基于随机试验的meta分析:贝伐单抗在实体瘤中的作用

贝伐单抗是一种人源化的单克隆抗体,能够抑制循环血管内皮生长因子与其受体的结合。 迄今为止,美国FDA已经批准贝伐单抗用于治疗多种实体瘤。为了评估以贝伐单抗为基础的治疗方案对这些晚期实体瘤患者的影响,研究人员进行了一项meta分析,研究人员对所有的随机试验(II期或III期)中贝伐单抗、安慰剂和其他抗肿瘤药物进行了对比。

EUR J Cancer:卡培他滨联合贝伐单抗在转移性结直肠癌维持治疗中的成本效益分析

成本效益分析是通过比较项目的全部成本和效益来评估项目价值的一种方法,成本效益分析作为一种经济决策方法已经用于医疗领域。就转移性结直肠癌患者的无进展生存期而言,在6个疗程的卡培他滨、奥沙利铂和贝伐单抗的一线治疗后,卡培他滨联合贝伐单抗(CAP-B)的维持治疗能够起到很好的疗效。这篇文献中,荷兰研究者们评估了CAP-B的成本效益。

J AAPOS:贝伐单抗与激光治疗对早产儿视网膜病变的疗效和发育影响!

德克萨斯州大学休斯顿健康科学中心麦戈文医学院儿科的Kennedy KA近日在J AAPOS发表了一篇新的文章,他们比较了对早产儿视网膜病变治疗过程中,贝伐单抗治疗与激光治疗对发育是否有不良影响。