辉瑞的Ibrance在III期乳腺癌研究中未能显著延长生存期

2018-06-26 MedSci MedSci原创

辉瑞公司本周一公布了第三阶段PALOMA-3试验的数据,该试验显示口服CDK 4/6抑制剂Ibrance(palbociclib)联合阿斯利康Faslodex(氟维司群)与单用Faslodex相比,未能显著延长激素受体阳性(HR+)、HER2阴性转移性乳腺癌患者的总生存期(OS),这些患者在先前的治疗后出现疾病进展

辉瑞公司本周一公布了第三阶段PALOMA-3试验的数据,该试验显示口服CDK 4/6抑制剂Ibrancepalbociclib)联合阿斯利康Faslodex(氟维司群)与单用Faslodex相比,未能显著延长激素受体阳性(HR+)、HER2阴性转移性乳腺癌患者的总生存期(OS),这些患者在先前的治疗后出现疾病进展。辉瑞公司全球产品开发部门的肿瘤学首席开发官Mace Rothenberg表示:尽管OS的差异很小,没有达到统计学显著性的阈值,但是对于该患者群体的任何试验都难以达到令人满意的OS。先前的试验已经证实了Ibrance对患者中位无进展生存期(PFS)的改善,辉瑞在2015年公布的研究数据表明,IbranceFaslodex的联合使用比单独使用FaslodexPFS的主要终点增加了一倍以上

首席研究员尼古拉斯特纳表示,研究结果仍然是鼓励医生和患者的,他表示,“HR+、转移性乳腺癌患者的生存期,以及后续治疗可能会影响OS结局的可能性,使得在统计学上显著改善的取得是非常困难的。PALOMA-3在经独立数据监测委员会评估后早已停止,详细的研究结果将在稍后的研究会议上公布。


原始出处:

http://www.firstwordpharma.com/node/1574475#axzz5JX2NWGqk

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