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Ann Oncol:OlympiAD最终的总体存活率和耐受性结果

2020-06-14 MedSci原创 MedSci原创

在OlympiAD研究中,显示奥拉帕尼与具有生殖系BRCA1和/或BRCA2突变(BRCAm)且人表皮生长因子受体2(HER2)阴性的医师选择(TPC)的化学疗法相比,可改善无进展生存期转移性乳腺癌(

在OlympiAD研究中,显示奥拉帕尼与具有生殖系BRCA1和/或BRCA2突变(BRCAm)且人表皮生长因子受体2(HER2)阴性的医师选择(TPC)的化学疗法相比,可改善无进展生存期转移性乳腺癌(mBC)。现在,我们报告计划的最终总体生存(OS)结果,并描述最常见的不良事件(AE),以更好地了解该人群对olaparib的耐受性。

 

OlympiAD是一项III期随机,对照,开放标签研究(NCT02000622),纳入患有BRCAm生殖系和HER2阴性的mBC系的患者,他们接受了≤2线的mBC化疗。患者被随机分为奥拉帕尼片剂(300 mg bid)或预先宣布的TPC(卡培他滨,长春瑞滨或艾瑞布林)。 OS和安全性是次要终点。

 

结果总共205例患者被随机分配到olaparib,97例被随机分配到TPC。数据成熟度为64%时,奥拉帕尼的中位OS为19.3个月,而TPC的中位OS为17.1个月(HR 0.90,95%CI 0.66-1.23; P = 0.513);中位随访时间分别为25.3和26.3个月。在预先指定的亚组中,使用olaparib与TPC进行OS的HR为:既往mBC化疗[无(一线治疗):0.51,95%CI 0.29-0.90;是(第二/三行):1.13,0.79-1.64];受体状态(三阴性:0.93,0.62-1.43;激素受体阳性:0.86,0.55-1.36);先前的铂金(是:0.83,0.49-1.45;否:0.91,0.64-1.33)。奥拉帕尼治疗期间的不良事件通常是低度的,可以通过支持治疗或剂量调整来控制。停药率很低(4.9%),并且长期服用奥拉帕尼不会增加发生贫血的风险。

 

总之,该结果表明,尽管与TPC相比,奥拉帕尼的OS并没有统计学上的显着改善,但在未因转移性疾病而接受化学疗法的患者中,OS可能具有有意义的OS获益。 Olaparib一般耐受性良好,没有证据表明长时间暴露会累积毒性。

原始出处:

 

M E RobsonN Tung, et al., OlympiAD Final Overall Survival and Tolerability Results: Olaparib Versus Chemotherapy Treatment of Physician's Choice in Patients With a Germline BRCA Mutation and HER2-negative Metastatic Breast Cancer. Ann Oncol. 2019 Apr 1;30(4):558-566.

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    2020-09-06 minlingfeng
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    2020-06-15 anti-cancer

    谢谢梅斯分享这么多精彩信息

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