Clin Cancer Res:多发性骨髓瘤:来那度胺的“大剂量”累觉不爱

2020-11-17 MedSci原创 MedSci原创

对于多发性骨髓瘤,大剂量化疗和自体造血干细胞移植(ASCT)继以来那度胺(10-15 mg/天)维持治疗(LenMT)被认为是标准疗法。然而,根据不良反应而降低剂量常有发生,随时间推移而达到的LenM

对于多发性骨髓瘤,大剂量化疗和自体造血干细胞移植(ASCT)继以来那度胺(10-15 mg/天)维持治疗(LenMT)被认为是标准疗法。然而,根据不良反应而降低剂量常有发生,随时间推移而达到的LenMT剂量中位水平可能更低。迄今为止,LenMT期间的剂量反应尚未被研究过。

这是一项多中心、随机、开放标签的临床试验,ASCT和大剂量来那度胺(25 mg/天)巩固治疗(CT)后的多发性骨髓瘤患者被随机分至LenMT 25 mg/天组或5 mg/天组。主要终点是无进展存活期(PFS)。

研究流程

两组各有94位患者(中位年龄58岁),其中22%的患者为国际分期系统(ISS)3期,22%的患者处于晚期缓解中(CR)。

25 mg组(蓝色)和5 mg组(绿色)随机分组后的PFS和OS

经过中位随访46.7个月,两组的中位剂量分别为14.5和5 mg/天;53%的减剂量都发生于CT期间。大剂量组和低剂量组的中位PFS分别是44.8个月和33.0个月(HR 0.65; 95% CI, 0.44–0.97; P=0.032),36%和23%的患者获得严格的完全缓解(最佳缓解),4年OS分别是79%和67%(P=0.016)。血液性毒性、≥3级中性粒细胞减少症和感染都多见于LenMT 25 mg用药,且均随着剂量的调整而减少。

总之,LenMT剂量与疗效和毒性相关。在巩固治疗期间减剂量的高概率提示或许不应该采用高初始剂量。

原始出处:

Roland Fenk, et al. Efficacy and Tolerability of High- versus Low-dose Lenalidomide Maintenance Therapy of Multiple Myeloma after Autologous Blood Stem Cell Transplantation. Clin Cancer Res November 15 2020 26 (22) 5879-5886; DOI:10.1158/1078-0432.CCR-20-0841

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    2021-01-30 jml2009
  2. [GetPortalCommentsPageByObjectIdResponse(id=1890185, encodeId=514a1890185ff, content=<a href='/topic/show?id=760c430895a' target=_blank style='color:#2F92EE;'>#多发性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=43089, encryptionId=760c430895a, topicName=多发性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=04d6114, createdName=jml2009, createdTime=Sat Jan 30 15:05:21 CST 2021, time=2021-01-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=914032, encodeId=63cb91403216, content=受教了, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=d1ec5435862, createdName=ms1000001802106630, createdTime=Wed Jan 06 10:16:55 CST 2021, time=2021-01-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1578699, encodeId=88d315e8699c7, content=<a href='/topic/show?id=fbf0436148a' target=_blank style='color:#2F92EE;'>#大剂量#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=43614, encryptionId=fbf0436148a, topicName=大剂量)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=cd6a16418535, createdName=ms7899726347904398, createdTime=Thu Nov 19 09:05:21 CST 2020, time=2020-11-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=900031, encodeId=872b90003172, content=挺好的, beContent=null, objectType=article, channel=null, level=null, likeNumber=78, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=26415435528, createdName=ms7000000732175426, createdTime=Tue Nov 17 23:10:09 CST 2020, time=2020-11-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=899995, encodeId=3ba2899995d0, content=受益匪浅, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/5PCMEThTo8wLlXElHZq6rFfX97zAicxvOjO1SIXZAe2R4QKnwoFS6DbvaJDTrlYUFcLoKelcyuQQE8KfJfynA5Q/132, createdBy=37642460415, createdName=Suee, createdTime=Tue Nov 17 20:54:39 CST 2020, time=2020-11-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=899958, encodeId=622c899958b8, content=不错, beContent=null, objectType=article, channel=null, level=null, likeNumber=59, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=61022504273, createdName=124a6bfdm47暂无昵称, createdTime=Tue Nov 17 19:24:39 CST 2020, time=2020-11-17, status=1, ipAttribution=)]
    2021-01-06 ms1000001802106630

    受教了

    0

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    2020-11-17 ms7000000732175426

    挺好的

    0

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    2020-11-17 Suee

    受益匪浅

    0

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    2020-11-17 124a6bfdm47暂无昵称

    不错

    0

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