J Clin Oncol:新型二代CD19-CAR T细胞治疗复发/难治性B-ALL成人患者的效果和安全性

2021-09-01 Nebula MedSci原创

一种新型的二代 CD19-CAR(CAT19-41BB-Z),具有快速关闭率,专为更多生理性 T 细胞活化而设计,可降低毒性并改善植入效果

成人 B 细胞急性淋巴细胞白血病 (B-ALL) 的预后很差。目前尚没有获批治疗该病的 CD19 嵌合抗原受体 (CAR) 疗法。Roddie等研究人员开发了一种新型的二代 CD19-CAR(CAT19-41BB-Z),具有快速关闭率,专为更多生理性 T 细胞活化而设计,以降低毒性并改善植入效果。

多中心的 1 期 ALLCAR19 试验评估了自体 CAT19-41BB-Z CAR T 细胞(AUTO1)用于复发性或难治性(r/r)成人 B-ALL 患者的安全性和初步疗效。

该试验招募了年满 16 岁的 r/r B-ALL 患者。主要终点是毒性和 CAR T细胞的制备可行性。次要终点是第 1 和第 3 个月时的缓解深度、CAR-T 细胞持续时间、低丙种球蛋白血症和 B 细胞发育不全的发生率和持续时间,以及第 1 年和 第 2 年时的无事件生存期和总生存期。

25 位患者接受了白细胞清除术,成功制备了 24 位患者的 CAR T细胞,最终 20 位患者输注了 AUTO1。受试患者中位年龄为 41.5 岁,25%的既往采用过博纳吐单抗治疗、50%的既往接受过伊妥珠单抗奥佐米星治疗、65%的既往进行过异体干细胞移植。在预处理时,45% 的患者骨髓原始细胞≥ 50%。

不良反应事件

没有患者出现≥ 3 级的细胞因子释放综合征。20 位患者中的 3 位 (15%) 发生了 3 级神经毒性,在使用类固醇 72 小时内减轻至 ≤ 1 级。17 位(85%)患者在第 1 个月时达到了微小残留病灶阴性(完全缓解),其中 3 位在缓解期间进型了同种异体干细胞移植。

无进展生存期和总生存期

第 6 个月和第 12个月时的无事件生存率分别为68.3%(95%CI 42.4-84.4)和48.3(23.1-69.7)。在最后一次随访时,20 位患者中有 15 位持续存在 B 细胞再生障碍,观察到高水平扩增(Cmax 127152 拷贝/μg 基因组 DNA)和持久的 CAR-T 持久性。

综上所述,在 r/r 成人 B-ALL 患者中,AUTO1 表现出可耐受的安全性、高缓解率和优秀的持续时间。该研究结果支持进一步将 AUTO1作为 r/r 成人B-ALL 的发展计划。

原始出处:

Claire Roddie, et al. Durable Responses and Low Toxicity After Fast Off-Rate CD19 Chimeric Antigen Receptor-T Therapy in Adults With Relapsed or Refractory B-Cell Acute Lymphoblastic Leukemia. Journal of Clinical Oncology. August 31, 2021. https://ascopubs.org/doi/full/10.1200/JCO.21.00917

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    2022-04-01 minlingfeng
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    2021-09-03 仁医06
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    2021-09-03 dingxiaobo
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  5. [GetPortalCommentsPageByObjectIdResponse(id=1866208, encodeId=2a1f186620809, content=<a href='/topic/show?id=16ce133504e' target=_blank style='color:#2F92EE;'>#Oncol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13350, encryptionId=16ce133504e, topicName=Oncol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b63894, createdName=minlingfeng, createdTime=Fri Apr 01 17:52:18 CST 2022, time=2022-04-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1329549, encodeId=81d01329549b7, content=<a href='/topic/show?id=bb96232801' target=_blank style='color:#2F92EE;'>#ALL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2328, encryptionId=bb96232801, topicName=ALL)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=55683, createdName=仁医06, createdTime=Fri Sep 03 02:52:18 CST 2021, time=2021-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1416475, encodeId=0fa014164e51c, content=<a href='/topic/show?id=924442e98f' target=_blank style='color:#2F92EE;'>#CD19#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4279, encryptionId=924442e98f, topicName=CD19)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f1583186918, createdName=dingxiaobo, createdTime=Fri Sep 03 02:52:18 CST 2021, time=2021-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1423261, encodeId=d02614232616f, content=<a href='/topic/show?id=18f43131be' target=_blank style='color:#2F92EE;'>#B-ALL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3131, encryptionId=18f43131be, topicName=B-ALL)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=7c123763345, createdName=chenzhuanggui, createdTime=Fri Sep 03 02:52:18 CST 2021, time=2021-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1528789, encodeId=72151528e892b, content=<a href='/topic/show?id=74b798601a1' target=_blank style='color:#2F92EE;'>#难治性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=98601, encryptionId=74b798601a1, topicName=难治性)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=a1ef11916292, createdName=freve, createdTime=Fri Sep 03 02:52:18 CST 2021, time=2021-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1038412, encodeId=095a103841253, content=谢谢梅斯分享这么多精彩信息, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=anti-cancer, createdTime=Wed Sep 01 14:52:18 CST 2021, time=2021-09-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1047449, encodeId=4356104e449ce, content=疗效只是效果的众多方面之一,还要看对患者的获益,包括生活质量等因素共同决定效果的, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=CHANGE, createdTime=Wed Sep 01 14:52:18 CST 2021, time=2021-09-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1013451, encodeId=4537101345109, content=好文章,谢谢分享。, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTJlfgys76DEiaNtbYo2re3ibjrUPTRibEXRyFwAB4aAGiave842S0FQDf0wAoaH226NiaSoPPDzhndsf1g/132, createdBy=88b489038, createdName=yangchou, createdTime=Wed Sep 01 13:10:41 CST 2021, time=2021-09-01, status=1, ipAttribution=)]
    2021-09-03 freve
  6. [GetPortalCommentsPageByObjectIdResponse(id=1866208, encodeId=2a1f186620809, content=<a href='/topic/show?id=16ce133504e' target=_blank style='color:#2F92EE;'>#Oncol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13350, encryptionId=16ce133504e, topicName=Oncol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b63894, createdName=minlingfeng, createdTime=Fri Apr 01 17:52:18 CST 2022, time=2022-04-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1329549, encodeId=81d01329549b7, content=<a href='/topic/show?id=bb96232801' target=_blank style='color:#2F92EE;'>#ALL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2328, encryptionId=bb96232801, topicName=ALL)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=55683, createdName=仁医06, createdTime=Fri Sep 03 02:52:18 CST 2021, time=2021-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1416475, encodeId=0fa014164e51c, content=<a href='/topic/show?id=924442e98f' target=_blank style='color:#2F92EE;'>#CD19#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4279, encryptionId=924442e98f, topicName=CD19)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f1583186918, createdName=dingxiaobo, createdTime=Fri Sep 03 02:52:18 CST 2021, time=2021-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1423261, encodeId=d02614232616f, content=<a href='/topic/show?id=18f43131be' target=_blank style='color:#2F92EE;'>#B-ALL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3131, encryptionId=18f43131be, topicName=B-ALL)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=7c123763345, createdName=chenzhuanggui, createdTime=Fri Sep 03 02:52:18 CST 2021, time=2021-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1528789, encodeId=72151528e892b, content=<a href='/topic/show?id=74b798601a1' target=_blank style='color:#2F92EE;'>#难治性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=98601, encryptionId=74b798601a1, topicName=难治性)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=a1ef11916292, createdName=freve, createdTime=Fri Sep 03 02:52:18 CST 2021, time=2021-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1038412, encodeId=095a103841253, content=谢谢梅斯分享这么多精彩信息, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=anti-cancer, createdTime=Wed Sep 01 14:52:18 CST 2021, time=2021-09-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1047449, encodeId=4356104e449ce, content=疗效只是效果的众多方面之一,还要看对患者的获益,包括生活质量等因素共同决定效果的, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=CHANGE, createdTime=Wed Sep 01 14:52:18 CST 2021, time=2021-09-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1013451, encodeId=4537101345109, content=好文章,谢谢分享。, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTJlfgys76DEiaNtbYo2re3ibjrUPTRibEXRyFwAB4aAGiave842S0FQDf0wAoaH226NiaSoPPDzhndsf1g/132, createdBy=88b489038, createdName=yangchou, createdTime=Wed Sep 01 13:10:41 CST 2021, time=2021-09-01, status=1, ipAttribution=)]
    2021-09-01 anti-cancer

    谢谢梅斯分享这么多精彩信息

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=1866208, encodeId=2a1f186620809, content=<a href='/topic/show?id=16ce133504e' target=_blank style='color:#2F92EE;'>#Oncol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13350, encryptionId=16ce133504e, topicName=Oncol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b63894, createdName=minlingfeng, createdTime=Fri Apr 01 17:52:18 CST 2022, time=2022-04-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1329549, encodeId=81d01329549b7, content=<a href='/topic/show?id=bb96232801' target=_blank style='color:#2F92EE;'>#ALL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2328, encryptionId=bb96232801, topicName=ALL)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=55683, createdName=仁医06, createdTime=Fri Sep 03 02:52:18 CST 2021, time=2021-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1416475, encodeId=0fa014164e51c, content=<a href='/topic/show?id=924442e98f' target=_blank style='color:#2F92EE;'>#CD19#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4279, encryptionId=924442e98f, topicName=CD19)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f1583186918, createdName=dingxiaobo, createdTime=Fri Sep 03 02:52:18 CST 2021, time=2021-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1423261, encodeId=d02614232616f, content=<a href='/topic/show?id=18f43131be' target=_blank style='color:#2F92EE;'>#B-ALL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3131, encryptionId=18f43131be, topicName=B-ALL)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=7c123763345, createdName=chenzhuanggui, createdTime=Fri Sep 03 02:52:18 CST 2021, time=2021-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1528789, encodeId=72151528e892b, content=<a href='/topic/show?id=74b798601a1' target=_blank style='color:#2F92EE;'>#难治性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=98601, encryptionId=74b798601a1, topicName=难治性)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=a1ef11916292, createdName=freve, createdTime=Fri Sep 03 02:52:18 CST 2021, time=2021-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1038412, encodeId=095a103841253, content=谢谢梅斯分享这么多精彩信息, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=anti-cancer, createdTime=Wed Sep 01 14:52:18 CST 2021, time=2021-09-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1047449, encodeId=4356104e449ce, content=疗效只是效果的众多方面之一,还要看对患者的获益,包括生活质量等因素共同决定效果的, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=CHANGE, createdTime=Wed Sep 01 14:52:18 CST 2021, time=2021-09-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1013451, encodeId=4537101345109, content=好文章,谢谢分享。, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTJlfgys76DEiaNtbYo2re3ibjrUPTRibEXRyFwAB4aAGiave842S0FQDf0wAoaH226NiaSoPPDzhndsf1g/132, createdBy=88b489038, createdName=yangchou, createdTime=Wed Sep 01 13:10:41 CST 2021, time=2021-09-01, status=1, ipAttribution=)]
    2021-09-01 CHANGE

    疗效只是效果的众多方面之一,还要看对患者的获益,包括生活质量等因素共同决定效果的

    0

  8. [GetPortalCommentsPageByObjectIdResponse(id=1866208, encodeId=2a1f186620809, content=<a href='/topic/show?id=16ce133504e' target=_blank style='color:#2F92EE;'>#Oncol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13350, encryptionId=16ce133504e, topicName=Oncol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b63894, createdName=minlingfeng, createdTime=Fri Apr 01 17:52:18 CST 2022, time=2022-04-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1329549, encodeId=81d01329549b7, content=<a href='/topic/show?id=bb96232801' target=_blank style='color:#2F92EE;'>#ALL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2328, encryptionId=bb96232801, topicName=ALL)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=55683, createdName=仁医06, createdTime=Fri Sep 03 02:52:18 CST 2021, time=2021-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1416475, encodeId=0fa014164e51c, content=<a href='/topic/show?id=924442e98f' target=_blank style='color:#2F92EE;'>#CD19#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4279, encryptionId=924442e98f, topicName=CD19)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f1583186918, createdName=dingxiaobo, createdTime=Fri Sep 03 02:52:18 CST 2021, time=2021-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1423261, encodeId=d02614232616f, content=<a href='/topic/show?id=18f43131be' target=_blank style='color:#2F92EE;'>#B-ALL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3131, encryptionId=18f43131be, topicName=B-ALL)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=7c123763345, createdName=chenzhuanggui, createdTime=Fri Sep 03 02:52:18 CST 2021, time=2021-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1528789, encodeId=72151528e892b, content=<a href='/topic/show?id=74b798601a1' target=_blank style='color:#2F92EE;'>#难治性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=98601, encryptionId=74b798601a1, topicName=难治性)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=a1ef11916292, createdName=freve, createdTime=Fri Sep 03 02:52:18 CST 2021, time=2021-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1038412, encodeId=095a103841253, content=谢谢梅斯分享这么多精彩信息, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=anti-cancer, createdTime=Wed Sep 01 14:52:18 CST 2021, time=2021-09-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1047449, encodeId=4356104e449ce, content=疗效只是效果的众多方面之一,还要看对患者的获益,包括生活质量等因素共同决定效果的, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=CHANGE, createdTime=Wed Sep 01 14:52:18 CST 2021, time=2021-09-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1013451, encodeId=4537101345109, content=好文章,谢谢分享。, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTJlfgys76DEiaNtbYo2re3ibjrUPTRibEXRyFwAB4aAGiave842S0FQDf0wAoaH226NiaSoPPDzhndsf1g/132, createdBy=88b489038, createdName=yangchou, createdTime=Wed Sep 01 13:10:41 CST 2021, time=2021-09-01, status=1, ipAttribution=)]
    2021-09-01 yangchou

    好文章,谢谢分享。

    0

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抗CD19 CAR T细胞疗法后病情进展的B-ALL成人患者的总体预后较差

Blood: CD19特异性CAR T细胞疗法治疗R/R B-ALL

嵌合抗原受体(CAR) T细胞已被证明对复发性/难治性(R/R) 急性B细胞淋巴细胞白血病患者具有临床益处。Curran等人开展了一项多中心的临床试验,检测这种疗法的毒性、可行性和反应性。共招募了25位R/R B-ALL患儿或青年患者(1-22.5岁),予以19-28z CAT T细胞治疗。条件化疗包括高剂量(3 g/m2)环磷酰胺(HD-Cy) 17例,低剂量(≤1.5 g/m2)环磷酰胺(LD

Blood:CD19特异性CAR T细胞疗法治疗R/R B-ALL

嵌合抗原受体(CAR) T细胞已被证明对复发性/难治性(R/R)B细胞急性淋巴细胞白血病(B-ALL)患者有临床效益。Curran等人开展一多中心的临床试验,研究CAR T细胞疗法的毒性、可行性和治疗反应性。共招募了25位R/R B-ALL儿科/年轻的成年患者(1-22.5岁),予以19-28z CAR T治疗。调节化疗包括高剂量(3g/m2)环磷酰胺(HD-Cy)和低剂量(≤1.5g/m2)环磷

Blood:减小低复发风险B-ALL患儿的化疗强度可改善预后

在资源匮乏的环境中,治疗相关死亡率在急性淋巴细胞白血病(ALL)患儿中很常见。Pedrosa等人采用简化的流式细胞分析方法来识别前体B细胞ALL (B-ALL)复发风险极低(VLR)的患者,并采用降低强度的治疗方案进行治疗。VLR标准包括良好的表现特征(年龄:1-10岁)、白细胞(WBC)计数<50×109/L、无髓外白血病、缓解诱导第19天最小残留病(MRD)水平<0.01%。除两剂

JAMA:Blinatumomab vs 化疗用于首次复发的B细胞急性淋巴细胞白血病儿童、青少年和年轻患者

对于B细胞急性淋巴细胞白血病(B-ALL)首次复发的儿童、青少年和年轻患者,blinatumomab提高患者无病生存率和2年生存率的效果并不显著

J Clin Oncol:人源CD19 CAR T细胞可使复发或难治性B-ALL患者获得持久的缓解

HuCART19用于复发或难治性B-ALL儿童和年轻成人患者可实现持久的缓解