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LANCET:使用曲妥珠单抗治疗HER2阳性早期乳腺癌患者维持多久疗效更佳?

2017-02-23 MedSci MedSci原创

临床试验显示曲妥珠单抗是针对HER2受体的重组单克隆抗体,它可以显着改善HER2阳性早期乳腺癌换着的总生存期和无病生存期,但尚需长期的随访数据进一步证实。近期,一项发表在权威杂志LANCET上的文章报告了在HERA试验中患者经过中位随访11年后,观察比较了两种使用曲妥珠单抗治疗的持续时间的结果。HERA(BIG 1-01)是一项关于5102名HER2阳性早期乳腺癌换着的国际多中心,开放标签,3期随

临床试验显示曲妥珠单抗是针对HER2受体的重组单克隆抗体,它可以显着改善HER2阳性早期乳腺癌换着的总生存期和无病生存期,但尚需长期的随访数据进一步证实。


近期,一项发表在权威杂志LANCET上的文章报告了在HERA试验中患者经过中位随访11年后,观察比较了两种使用曲妥珠单抗治疗的持续时间的结果。

HERA(BIG 1-01)是一项关于5102名HER2阳性早期乳腺癌换着的国际多中心,开放标签,3期随机试验,患者均于2001年12月7日至2010年6月20日在39个国家的医院就诊。所有治疗(包括手术、化疗和放射治疗)完成后,将患者随机分配(1:1:1)为接受曲妥单抗1年(静脉一次予以8mg / kg,然后每3周一次6mg / kg)或2年(相同剂量方案)或观察组。主要终点是无病生存。使用Cox模型估计危险比(HR),并通过Kaplan-Meier方法估计存活曲线。曲妥珠单抗的2年和1年的比较基于366天的分析。本研究在ClinicalTrials.gov(NCT00045032)中注册。

此项研究结果显示:在HERA试验中,随机分配的5102名妇女中,3名患者没有提供书面知情同意书。研究者们跟踪了5099名患者的意向治疗人群(观察1697名,1年曲妥珠单抗治疗组1702名,2年曲妥珠单抗治疗组1700名)。在中位随访11年后(IQR 10.09-11.53),与观察者相比,1年的曲妥珠单抗治疗显着降低无病生存事件的风险(HR 0.76,95%CI 0.68 -0.86)和死亡(0.74,0.64-0.86)。与1年的治疗相比,2年的辅助曲妥珠单抗不能改善这种药物的无病生存结果(HR 1.02,95%CI 0.89-1.17)。

10年无病生存在观察组约为63%,1年曲妥珠单抗治疗组约为69%,2年曲妥珠单抗治疗组约为69%。 884(52%)名分配到观察组的患者选择性跨越接受曲妥珠单抗。

所有试验组患者的心脏毒性较低,主要发生在治疗期。在2年曲妥珠单抗治疗组中,继发性心脏终点的发生122例(7.3%),1年曲妥珠单抗治疗组为74例(4.4%),观察组为15例(0.9%)。

此项研究表明:与观察组相比,1年的曲妥珠单抗联合化疗后可以显著改善HER2阳性的早期乳腺癌患者的长期无病生存。而2年的曲妥珠单抗治疗并没有额外的益处。

原始出处:

Cameron D, Piccart-Gebhart MJ, Gelber RD, et al. 11 years' follow-up of trastuzumab after adjuvant chemotherapy in HER2-positive early breast cancer: final analysis of the HERceptin Adjuvant (HERA) trial.  Lancet. 2017 Feb 16. pii: S0140-6736(16)32616-2.

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    2017-03-09 howi
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    2017-02-25 ylzr123

    好文,值得点赞,更值得收藏!慢慢领会学习的。

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一项随机3期研究的数据表明,与曲妥珠单抗相比,ABP 980对HER-2阳性早期乳腺癌患者的治疗是有效的生物仿制药。这项多中心、双盲、对照研究纳入了725名HER-2阳性早期乳腺癌女性,随机分配364人进行ABP 980 (Amgen/Allergan)治疗,361人进行曲妥珠单抗(Herceptin,Genentech)治疗。新辅助化疗中患者每三周接受表阿霉素和环磷酰胺治疗,共四个周期。随后每三

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接受曲妥珠单抗化疗治疗的女性,存在曲妥珠单抗相关心脏功能障碍(TRCD)的风险。我们探讨心肌标志物(肌钙蛋白I和T、N末端脑钠肽前体[NT-proBNP])预测TRCD的预测价值。调查心脏终点事件或左室射血分数(LVEF)显著下降的发生是否与标志物增加有相关性。研究纳入了533例参与赫赛汀辅助(HERA)研究的患者,在不同时间点测定患者的心脏标志物、LVEF等。排除缺失标志物测定的患者,对452例

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已有随机对照试验评估了曲妥珠单抗治疗转移性乳腺癌的有效性和安全性,研究组进行了一项研究,探究曲妥珠单抗治疗转移性乳腺癌时,对女性的短期和长期整体生存影响,以及对女性心脏毒性的影响。研究者使用Kaplan–Meier方法评估曲妥珠单抗使用者的严重心脏事件风险,以及整体生存情况,通过Cox回归模型评估预测因子。该研究共纳入了681名使用曲妥珠单抗治疗转移性乳腺癌的患者,其中32(4.7%)名患者发生了

JCO:曲妥珠单抗治疗的乳腺癌老龄患者充血性心力衰竭发生率较高

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