纳武利尤单抗用于根治手术后高复发风险肌层浸润性尿路上皮癌治疗取得成功(CheckMate -274研究)

2021-02-15 MedSci原创 MedSci原创

2月9日,百时美施贵宝宣布,一项名为CheckMate -274的关键III期临床研究在所有随机人群和肿瘤表达PD-L1≥1%患者中均达到主要研究终点无病生存期。CheckMate -274是首

2月9日,百时美施贵宝宣布一项名为CheckMate -274的关键III期临床研究在所有随机人群和肿瘤表达PD-L1≥1%患者中均达到主要研究终点无病生存期CheckMate -274是首个且目前唯一证实免疫肿瘤治疗作为辅助治疗用于上述患者可降低其疾病复发风险的III期临床研究在此项研究中欧狄沃的安全性特征与其既往在其他实体瘤临床研究报道的安全性特征一致

欧狄沃于2014年7月获批成为全球首个PD-1抑制剂,目前已在全球66个国家和地区获批共11个瘤种,惠及超过59万名全球患者。在中国,欧狄沃也是首个获批的免疫肿瘤药物,目前已经获批3项适应证。

CheckMate-274是一项随机、双盲、多中心3期临床研究,旨在评估欧狄沃(纳武利尤单抗)对比安慰剂用于根治手术后高复发风险肌层浸润性尿路上皮癌患者的疗效与安全性。患者无论术前有无接受过新辅助治疗均可入组,参与者是否接受顺铂新辅助治疗是该研究的一个分层因素。共709名患者按1:1比例进行随机分组,分别接受至多一年的每两周240mg欧狄沃或安慰剂治疗。该研究的主要终点是所有随机患者(即意向治疗人群)和肿瘤表达PD-L1≥1%患者的无病生存期。关键的次要终点包括总生存期(OS)、非尿路上皮无复发生存期(NUTRFS)和疾病特异性生存期(DSS)。

研究结果显示,在所有随机人群中,接受欧狄沃的治疗组中位DFS[21.0个月]与安慰剂对照组中位DFS[10.9个月]相比延长近一倍;风险降低30%。在PD-L1表达≥1%的患者中,欧狄沃将疾病复发或死亡风险降低47%,欧狄沃治疗组与安慰剂对照组的中位DFS分别为未达到和10.8个月。

纪念斯隆凯特琳癌症中心生殖泌尿肿瘤学家DeanBajorin医学博士表示:“肌层浸润性尿路上皮癌患者通常需要接受膀胱切除术以挽救生命,但仍有约50%的患者会面临术后复发。根据CheckMate-274临床研究,经纳武利尤单抗治疗的患者无病生存期几乎是安慰剂组的两倍。该结果具有重大临床意义,有望改变肌层浸润性尿路上皮癌的现有治疗方式,以满足患者对术后治疗有效性与耐受性的迫切需求。

此外,欧狄沃在关键次要研究终点也显示出了疗效改善,包括非尿路上皮无复发生存期(NUTRFS,即:患者在膀胱、输尿管或肾盂以外无疾病复发的生存时间)。在所有随机人群中,经欧狄沃治疗的患者中位NUTRFS超过两年[24.6个月],安慰剂组为13.7个月。在PD-L1表达≥1%的患者中,欧狄沃治疗组与安慰剂对照组的中位NUTRFS分别为未达到和10.9个月。

在此项研究中,欧狄沃的安全性特征与其既往在其他实体瘤临床研究报道的安全性特征一致。接受欧狄沃或安慰剂治疗的患者中发生与治疗相关的不良事件(TRAEs)的比例分别为77.5%和55.5%,3级或4级TRAEs的发生率分别为17.9%和7.2%。

百时美施贵宝计划完成对CheckMate -274研究数据的全面评估,并与研究人员协作在即将召开的学术会议上公布其研究结果,同时,百时美施贵宝也将与卫生主管部门就相关研究结果进行沟通。CheckMate -274研究将按计划继续进行,后续将对总生存期、疾病特异性生存期等次要终点进行分析。

关于尿路上皮癌

尿路上皮癌通常起源于膀胱内部细胞,是全球第十大常见肿瘤。 全球每年约有55万新确诊病例。 除膀胱外,尿路上皮癌还可以发生在泌尿系统的其他部位,包括输尿管和肾盂。 大多数膀胱癌在早期即可确诊,但疾病复发率和恶化率较高。 超过50%患者术后将面临疾病复发。 对于发生转移的晚期尿路上皮癌患者而言,一线治疗缓解持续时间不佳是临床面临的主要挑战,二线治疗手段仍有限。

关于欧狄沃

欧狄沃于2014年7月获批成为全球首个PD-1抑制剂,目前已在66个国家和地区获批共11个瘤种1,涵盖肺癌、头颈癌、胃癌、食管癌、肝癌、肾癌、结直肠癌、尿路上皮癌、黑色素瘤、霍奇金淋巴瘤、胸膜肿瘤,惠及超过590,000名全球患者

欧狄沃是中国首个获批上市的免疫肿瘤药物,目前在中国已获批以下3项适应症,除此以外其他适应证尚未获批:

  1) 用于治疗表皮生长因子受体(EGFR)基因突变阴性和间变性淋巴瘤激酶(ALK)阴性、既往接受过含铂方案化疗后疾病进展或不可耐受的局部晚期或转移性非小细胞肺癌(NSCLC的成人患者;

  2) 用于接受含铂类方案治疗期间或之后出现疾病进展且肿瘤PD-L1表达阳性(表达PD-L1的肿瘤细胞≥1%)的复发性或转移性头颈部鳞状细胞癌(SCCHN)患者;

  3) 用于治疗既往接受过两种或两种以上全身性治疗方案的晚期或复发性胃或胃食管连接部腺癌患者。

  欧狄沃是唯一由诺贝尔生理学或医学奖得主直接参与开发的PD-1抑制剂 。百时美施贵宝拥有本庶佑博士的PD-1专利独家使用权

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    2021-02-17 jeanqiuqiu
  5. [GetPortalCommentsPageByObjectIdResponse(id=1905572, encodeId=a95c19055e2d9, content=<a href='/topic/show?id=0eb34259ea1' target=_blank style='color:#2F92EE;'>#复发风险#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=42597, encryptionId=0eb34259ea1, topicName=复发风险)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=ca20190, createdName=wushaoling, createdTime=Sun Apr 04 12:11:53 CST 2021, time=2021-04-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2025228, encodeId=daec2025228bf, content=<a href='/topic/show?id=eeeb459812' target=_blank style='color:#2F92EE;'>#Checkmate#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4598, encryptionId=eeeb459812, topicName=Checkmate)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=365d170, createdName=chenwq08, createdTime=Sat Jan 08 14:11:53 CST 2022, time=2022-01-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1539379, encodeId=a6d815393e9be, content=<a href='/topic/show?id=0e802002e45' target=_blank style='color:#2F92EE;'>#上皮癌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=20027, encryptionId=0e802002e45, topicName=上皮癌)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=866a13134648, createdName=mashirong, createdTime=Wed Feb 17 11:11:53 CST 2021, time=2021-02-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1586206, encodeId=75a9158620632, content=<a href='/topic/show?id=38f8622191b' target=_blank style='color:#2F92EE;'>#根治#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=62219, encryptionId=38f8622191b, topicName=根治)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=26d917348678, createdName=jeanqiuqiu, createdTime=Wed Feb 17 11:11:53 CST 2021, time=2021-02-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=924792, encodeId=c1eb924e928a, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=85, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdqq.qlogo.cn/g?b=oidb&k=sLfLVGAFm3RrWibJ1qkPvwg&s=100&t=1557262180, createdBy=d3e85321463, createdName=暖玉生烟, createdTime=Mon Feb 15 20:46:09 CST 2021, time=2021-02-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=924785, encodeId=6299924e85f6, content=好文章!, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160806/IMG57A5698BDB0244113.jpg, createdBy=32a91358059, createdName=jyzxjiangqin, createdTime=Mon Feb 15 20:13:33 CST 2021, time=2021-02-15, status=1, ipAttribution=)]
    2021-02-15 暖玉生烟

    学习了

    0

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    2021-02-15 jyzxjiangqin

    好文章!

    0

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