ESMO年会:来那度胺治疗晚期前列腺癌生存率低

2012-10-12 网络 网络

  欧洲肿瘤内科学会(ESMO)年会上公布的一项Ⅲ研究显示,与接受多西紫杉醇/泼尼松联合治疗的患者相比,在此联合治疗基础上加用来那度胺(Revlimid)的患者总生存期不仅未见延长,反而有所缩短,由此让人对该药治疗晚期前列腺癌的潜在价值产生质疑。   这项MAINSAIL研究纳入1,059例近期(3年内)未接受化疗的转移性去势难治性前列腺癌(mCRPC)患者。患者被随机分成2组,一组(对照组,n

  欧洲肿瘤内科学会(ESMO)年会上公布的一项Ⅲ研究显示,与接受多西紫杉醇/泼尼松联合治疗的患者相比,在此联合治疗基础上加用来那度胺(Revlimid)的患者总生存期不仅未见延长,反而有所缩短,由此让人对该药治疗晚期前列腺癌的潜在价值产生质疑。

  这项MAINSAIL研究纳入1,059例近期(3年内)未接受化疗的转移性去势难治性前列腺癌(mCRPC)患者。患者被随机分成2组,一组(对照组,n=526)接受多西紫杉醇(75 mg/m2,第1天给药)和泼尼松(5 mg,第1~21天给药,每日2次)联合治疗,另一组(来那度胺组,n=533)在此联合治疗基础上加用来那度胺,每21天为1个治疗周期。在出现进展后停止治疗,每个月评估1次生存终点直至停止治疗后5年。来那度胺组和对照组患者的中位年龄分别为69.6岁和68.6岁,中位治疗周期数分别为6个和8个周期。两组的基线特征相似。

  结果显示,来那度胺组的中位总生存期显着较少,为19.5个月[危险比(HR)=1.53;P=0.0017],而对照组尚未得出中位总生存期。此外,结果显示加用来那度胺对次要终点——无进展生存期(PFS)无改善作用:来那度胺组和对照组的中位PFS分别为45周和46周(HR=1.32;P=0.0187)。两组中被证实存在前列腺特异性抗原反应的患者的总应答率相似。来那度胺组在该患者人群中观察到的毒性大于对照组:前组的中性粒细胞减少(21.7% vs. 16.3%)、发热性中性粒细胞减少(11.8% vs. 4.6%),、腹泻(7% vs. 2.3%)和肺栓塞(6.5% vs.1.5%)发生率显着高于后组。

  研究者表示,加用来那度胺后总生存期未见改善,可能与以下因素相关:疗程短、多西紫杉醇剂量强度低及停止治疗较早。另外,不能排除存在药代动力学相互作用的可能。该研究目前已停止,但随访仍在进行,目前正在进一步分析来那度胺组观察到的结果。

  研究者表示,鉴于加用来那度胺的效果不令人满意,因此多西紫杉醇每3周1次仍是治疗去势难治性疾病的标准细胞毒性治疗方案。

  该研究获Revlimid生产商Celgene Corporation资助。研究者声明从该公司和赛诺菲安万特公司获得研究资金,并担任这些公司的顾问。

  相关述评:来那度胺治疗前列腺癌的前景暗淡

  苏格兰格拉斯哥大学的内科肿瘤学名誉顾问Robert Jones博士表示,该研究的负性总生存结果对实验组患者具有直接影响,不管是什么原因导致总生存变差,从该研究结果来看,来那度胺未来将不可能用于前列腺癌的治疗。Jones博士与安斯泰来等公司存在利益关系。

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    2012-10-14 zhang92560
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  6. [GetPortalCommentsPageByObjectIdResponse(id=1785813, encodeId=37541e8581305, content=<a href='/topic/show?id=7a73e02443' target=_blank style='color:#2F92EE;'>#ESMO年会#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=7024, encryptionId=7a73e02443, topicName=ESMO年会)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=ce5632, createdName=jianjun66, createdTime=Wed Sep 18 05:13:00 CST 2013, time=2013-09-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1953470, encodeId=8c4d19534e069, content=<a href='/topic/show?id=b3ec60803a2' target=_blank style='color:#2F92EE;'>#期前列腺癌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=60803, encryptionId=b3ec60803a2, topicName=期前列腺癌)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4723380, createdName=yangcx0915, createdTime=Thu Apr 25 20:13:00 CST 2013, time=2013-04-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1256452, encodeId=d1201256452ba, content=<a href='/topic/show?id=43706900963' target=_blank style='color:#2F92EE;'>#生存率#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=69009, encryptionId=43706900963, topicName=生存率)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6a6043, createdName=guoyibin, createdTime=Sun Oct 14 02:13:00 CST 2012, time=2012-10-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1280884, encodeId=67271280884ad, content=<a href='/topic/show?id=50d6e0215a' target=_blank style='color:#2F92EE;'>#ESMO#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=7021, encryptionId=50d6e0215a, topicName=ESMO)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7460166, createdName=zhang92560, createdTime=Sun Oct 14 02:13:00 CST 2012, time=2012-10-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1412762, encodeId=2d361412e6296, content=<a href='/topic/show?id=86cf59813ad' target=_blank style='color:#2F92EE;'>#晚期前列腺癌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=59813, encryptionId=86cf59813ad, topicName=晚期前列腺癌)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=776d2903072, createdName=zhyy89, createdTime=Sun Oct 14 02:13:00 CST 2012, time=2012-10-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2024676, encodeId=183920246e6b1, content=<a href='/topic/show?id=c27516459de' target=_blank style='color:#2F92EE;'>#SMO#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16459, encryptionId=c27516459de, topicName=SMO)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6779163, createdName=liuhuangbo, createdTime=Thu Jul 04 20:13:00 CST 2013, time=2013-07-04, status=1, ipAttribution=)]
    2013-07-04 liuhuangbo