里程碑!CAR-M疗法首次用于人体研究

2021-03-23 医谷网 医谷网

日前,Carisma Therapeutics宣布已在I期多中心临床试验中完成其嵌合抗原受体巨噬细胞(CAR-M)疗法CT-0508的首例患者给药,这也是CAR-M疗法首次用于人体研究。该疗法靶向HE

日前,Carisma Therapeutics宣布已在I期多中心临床试验中完成其嵌合抗原受体巨噬细胞(CAR-M)疗法CT-0508的首例患者给药,这也是CAR-M疗法首次用于人体研究。该疗法靶向HER2阳性实体瘤,有望实现目前CAR-T疗法难以在实体瘤中达成的效果。

CAR-M疗法与CAR-T疗法类似,但以巨噬细胞为中心,需要从患者自身提取巨噬细胞,通过基因工程方法将CAR引入巨噬细胞,最终实现肿瘤杀伤。作为先天性免疫的关键效应细胞,巨噬细胞具有强大的吞噬作用,其中肿瘤相关巨噬细胞(TAMs)又是存在于肿瘤微环境(TME)中的最为重要的免疫细胞,具有既杀伤肿瘤又促进肿瘤生长的双重作用,在恶性肿瘤的发生发展、侵袭转移、免疫逃避及其血管和淋巴管生成等过程扮演着十分重要的角色。

相对于T细胞和NK细胞等免疫细胞,巨噬细胞可能在免疫抑制性微环境中更容易浸润肿瘤,为肿瘤免疫治疗提供了新的机会,近年来越来越多的研究人员和投资者关注到该领域。

由宾夕法尼亚大学明星科学家创办、CAR-T先驱Carl June参与的生物制药企业Carisma Therapeutics一直备受业内关注,该公司目前已完成多轮融资,今年3月完成的B轮5900万美元融资使其融资总额接近1.21亿美元。值得注意的是,艾伯维在其中分别领投和跟投多次。Carisma目前有多条CAR-M实体瘤管线,进展最快的是靶向人表皮生长因子受体2(HER2)的CT-0508。

CT-0508结合了一系列能成功治疗实体瘤的关键特征,包括能募集并进入实体瘤TME、在存在免疫抑制因子的情况下维持抗肿瘤表型、通过呈递被吞噬的肿瘤物质来激活适应性免疫反应的能力等。该疗法于2020年7月获FDA批准开展临床,目前已实现首例患者给药。

CT-0508一临床在宾夕法尼亚大学和北卡罗莱纳大学开展,计划招募18名复发或转移HER2阳性实体瘤患者,一组患者将按计量递增的方式分3次输入50亿细胞,另一组则在一天内输入50亿细胞。试验主要终点是评估CT-0508的安全性、耐受性,以及其它如客观缓解率、无进展生存期、细胞因子释放等,数据收集预计截止至2022年2月。

此外,除了HER2外,Carisma还开发了靶向PSMA和间皮素的CAR-M疗法,目前均在临床前阶段。

基于CAR-T疗法在血液瘤中的疗效,越来越多的研究者在多样化CAR-T靶点的同时,也将目光放到了其他细胞上,由此衍生出了CAR-NK、CAR-M、CAR-Treg等一系列以CAR为核心的新型细胞疗法,这些疗法都将为更好的攻克肿瘤,尤其是实体肿瘤打开新的路径。

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    2022-01-31 仁者大医
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    2021-11-20 xzw113
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    2021-03-25 科研科研科研

    Cra疗法

    0

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    2021-03-24 随梦飞扬

    CAR-M疗法与CAR-T疗法类似,但以巨噬细胞为中心,需要从患者自身提取巨噬细胞,通过基因工程方法将CAR引入巨噬细胞,最终实现肿瘤杀伤

    0

  5. [GetPortalCommentsPageByObjectIdResponse(id=1781421, encodeId=0c7f1e814215e, content=<a href='/topic/show?id=8ce8405907' target=_blank style='color:#2F92EE;'>#CAR-#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4059, encryptionId=8ce8405907, topicName=CAR-)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=8e886, createdName=仁者大医, createdTime=Mon Jan 31 07:11:33 CST 2022, time=2022-01-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2059323, encodeId=b098205932331, content=<a href='/topic/show?id=9fbe95e0015' target=_blank style='color:#2F92EE;'>#里程碑#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=95700, encryptionId=9fbe95e0015, topicName=里程碑)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2317301, createdName=xzw113, createdTime=Sat Nov 20 19:11:33 CST 2021, time=2021-11-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=951014, encodeId=e7f19510148f, content=Cra疗法, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210110/e6124a4b19bc40ce8afaae096d21126b/dd778ac260c9416eb87e7d08139507f5.jpg, createdBy=4d2f5079605, createdName=科研科研科研, createdTime=Thu Mar 25 12:59:01 CST 2021, time=2021-03-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=950834, encodeId=cf3295083474, content=CAR-M疗法与CAR-T疗法类似,但以巨噬细胞为中心,需要从患者自身提取巨噬细胞,通过基因工程方法将CAR引入巨噬细胞,最终实现肿瘤杀伤, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2017/08/02/7354b3539aae6a0ccb1e0fff04c12084.jpg, createdBy=205b1984786, createdName=随梦飞扬, createdTime=Wed Mar 24 20:18:07 CST 2021, time=2021-03-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=950550, encodeId=bd4c9505508d, content=<a href='/topic/show?id=35571042148f' target=_blank style='color:#2F92EE;'>#CAR-M细胞治疗#</a>真快,从<a href='/topic/show?id=0d3240e64e' target=_blank style='color:#2F92EE;'>#CAR-T细胞治疗#</a>和<a href='/topic/show?id=42141e2135e' target=_blank style='color:#2F92EE;'>#TCR-T细胞治疗#</a>一下子就到这里了, beContent=null, objectType=article, channel=null, level=null, likeNumber=120, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=104214, encryptionId=35571042148f, topicName=CAR-M细胞治疗), TopicDto(id=4076, encryptionId=0d3240e64e, topicName=CAR-T细胞治疗), TopicDto(id=17213, encryptionId=42141e2135e, topicName=TCR-T细胞治疗)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20211210/ede9c51184aa4f54ae6c1164cfb8eeac/967dbf3eff2943c7bf3ccfec3a776ab0.JPG, createdBy=a33789389, createdName=病毒猎手, createdTime=Tue Mar 23 23:16:57 CST 2021, time=2021-03-23, status=1, ipAttribution=)]
    2021-03-23 病毒猎手

    #CAR-M细胞治疗#真快,从#CAR-T细胞治疗##TCR-T细胞治疗#一下子就到这里了

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