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NEJM:贝伐单抗提高攻击性乳腺癌患者生存期

2012-01-06 MedSci原创 MedSci原创

美国FDA于11月份取消了安维汀(贝伐单抗)用于治疗乳腺癌的适应证,但是最近一项新的研究表明,当与其他两种药物联合使用时,安维汀有利于提高攻击性乳腺癌患者的生存期。 这项新的研究由基因泰克公司发起。研究人员评估了该药在HER2阳性乳腺癌的治疗效果,HER2阳性乳腺癌通常对标准激素治疗不敏感而且比其他类型的乳腺癌更具有攻击性和转移性。 一共有216名患者接受了安维汀与曲妥珠单抗(赫赛汀)以及

美国FDA于11月份取消了安维汀(贝伐单抗)用于治疗乳腺癌的适应证,但是最近一项新的研究表明,当与其他两种药物联合使用时,安维汀有利于提高攻击性乳腺癌患者的生存期。

这项新的研究由基因泰克公司发起。研究人员评估了该药在HER2阳性乳腺癌的治疗效果,HER2阳性乳腺癌通常对标准激素治疗不敏感而且比其他类型的乳腺癌更具有攻击性和转移性。

一共有216名患者接受了安维汀与曲妥珠单抗(赫赛汀)以及多烯紫杉醇的联合治疗方案,对照组208名患者只接受赫赛汀加多西紫杉醇的治疗方案。安维汀提高了患者的平均生存期,与对照组相比大约延长了3个月左右。(生物谷Bioon.com)

NEJMoa072113" target=_blank>doi:10.1056/NEJMoa072113
PMC:
PMID:

Paclitaxel plus Bevacizumab versus Paclitaxel Alone for Metastatic Breast Cancer
Kathy Miller, M.D., Molin Wang, Ph.D., Julie Gralow, M.D., Maura Dickler, M.D., Melody Cobleigh, M.D., Edith A. Perez, M.D., Tamara Shenkier, M.D., David Cella, Ph.D., and Nancy E. Davidson, M.D.
BACKGROUND
In an open-label, randomized, phase 3 trial, we compared the efficacy and safety of paclitaxel with that of paclitaxel plus bevacizumab, a monoclonal antibody against vascular endothelial growth factor, as initial treatment for metastatic breast cancer.
Full Text of Background...
METHODS
We randomly assigned patients to receive 90 mg of paclitaxel per square meter of body-surface area on days 1, 8, and 15 every 4 weeks, either alone or with 10 mg of bevacizumab per kilogram of body weight on days 1 and 15. The primary end point was progression-free survival; overall survival was a secondary end point.
RESULTS
From December 2001 through May 2004, a total of 722 patients were enrolled. Paclitaxel plus bevacizumab significantly prolonged progression-free survival as compared with paclitaxel alone (median, 11.8 vs. 5.9 months; hazard ratio for progression, 0.60; P<0.001) and increased the objective response rate (36.9% vs. 21.2%, P<0.001). The overall survival rate, however, was similar in the two groups (median, 26.7 vs. 25.2 months; hazard ratio, 0.88; P=0.16). Grade 3 or 4 hypertension (14.8% vs. 0.0%, P<0.001), proteinuria (3.6% vs. 0.0%, P<0.001), headache (2.2% vs. 0.0%, P=0.008), and cerebrovascular ischemia (1.9% vs. 0.0%, P=0.02) were more frequent in patients receiving paclitaxel plus bevacizumab. Infection was more common in patients receiving paclitaxel plus bevacizumab (9.3% vs. 2.9%, P<0.001), but febrile neutropenia was uncommon (<1% overall).
Full Text of Results...
CONCLUSIONS
Initial therapy of metastatic breast cancer with paclitaxel plus bevacizumab prolongs progression-free survival, but not overall survival, as compared with paclitaxel alone.

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