CAR-NK细胞疗法直击血液系统肿瘤以及胰腺癌、卵巢癌等实体瘤!
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">细胞免疫疗法<span style="color: black;">始终</span>是炙手可热的抗癌选手,<span style="color: black;">做为</span>其中的佼佼者,CAR-T细胞疗法<span style="color: black;">更加是</span>在短短几十年内,<span style="color: black;">作为</span>抗癌<span style="color: black;">行业</span>的“新晋明星”,并在治疗血液肿瘤方面取得了突破性的<span style="color: black;">发展</span>。然而,在成本,个性化制造的<span style="color: black;">繁杂</span>性以及与CAR-T细胞<span style="color: black;">关联</span>的毒性方面仍有改进的余地。于是<span style="color: black;">科研</span>人员决定将CAR基因添加到自然杀伤(NK)细胞中,并在<span style="color: black;">初期</span>临床<span style="color: black;">实验</span>中展现出惊艳的效果。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">5个月得到<span style="color: black;">掌控</span>!Robo1 CAR-NK细胞疗法为胰腺导管腺癌带来<span style="color: black;">期盼</span></strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">2020年《癌症<span style="color: black;">科研</span>与治疗杂志(Journal of Cancer Research and Therapeutics)》<span style="color: black;">报告</span>了一个Robo1特异性嵌合抗原受体自然杀伤 (CAR-NK) 细胞疗法用于治疗一位46岁男性肝转移的胰腺导管腺癌的案例。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">该<span style="color: black;">病人</span><span style="color: black;">显现</span>上腹痛和 CA19-9 水平<span style="color: black;">上升</span>后计算机断层扫描和磁共振<span style="color: black;">影像</span>扫描<span style="color: black;">影像</span><span style="color: black;">表示</span>胰腺病变(约 6 cm×2.5 cm×3 cm),并伴有淋巴浸润和数处肝脏代谢亢进病变,最大转移病灶的直径约为3.5厘米,确诊为胰腺导管腺癌(PDAC)伴肝转移。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="//q3.itc.cn/images01/20240524/a5861cb8d1a54196bd9fb77f11b503ed.jpeg" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">图片<span style="color: black;">源自</span>于“参考资料1”</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">经过</span>胰腺肿瘤穿刺活检,<span style="color: black;">发掘</span>Robo1分别存在于胰腺中。肿瘤<span style="color: black;">没</span>法<span style="color: black;">经过</span>手术治疗切除,<span style="color: black;">病人</span>拒绝化疗。<span style="color: black;">病人</span>接受 Robo1 特异性 CAR-NK 细胞输注治疗。肝转移用经皮Robo1特异性CAR-NK细胞注射治疗。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">第1个月,<span style="color: black;">病人</span>分别在第1天和第3天接受Robo1-CAR-NK静脉注射,每周分别在第2天和第4天接受经皮注射。幸运的是,<strong style="color: blue;">胰腺病变和肝转移在5个月内得到<span style="color: black;">掌控</span>。</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="//q8.itc.cn/images01/20240524/19e82487b9214e9da8e174beb6fdea27.jpeg" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">照片</span><span style="color: black;">源自</span>于“参考资料1”</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">同种异体CD19特异性CAR-NK细胞治疗CD19 B细胞肿瘤的安全性、有效性</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">1月18日,MD安德森癌症中心(MDAnderson Center)<span style="color: black;">科研</span>人员于《自然》子刊<span style="color: black;">颁布</span>一项脐带血<span style="color: black;">源自</span>的CAR-NK细胞,治疗复发或难治性B细胞恶性肿瘤”I/II期临床<span style="color: black;">实验</span>(NCT03056339)振奋人心的结果。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="//q6.itc.cn/images01/20240524/7424fcab3cc346f584dc5e5084b30505.jpeg" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">实验</span>共入组37例患复发或难治性B细胞恶性肿瘤<span style="color: black;">病人</span>,<span style="color: black;">科研</span>结果<span style="color: black;">表示</span>,治疗后100天的总缓解率(ORR)为48.6%,<strong style="color: blue;">一年<span style="color: black;">没</span><span style="color: black;">发展</span><span style="color: black;">存活</span>期(PFS)和总<span style="color: black;">存活</span>期(OS)分别为32%和68%</strong>。其中达到ORR患者的CAR-NK细胞水平更高,持久时间更长。该<span style="color: black;">实验</span>报告了良好的安全性。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">该<span style="color: black;">科研</span><span style="color: black;">同期</span><span style="color: black;">发掘</span>在CAR-NK细胞制造中<span style="color: black;">选取</span>异体脐带血供体标准的<span style="color: black;">要紧</span>性。在采集24小时内冷冻<span style="color: black;">保留</span>的脐带血单位和有核红细胞含量低的脐带血单位的结果<span style="color: black;">显著</span>更好。这些单位产生的CAR-NK细胞<strong style="color: blue;">一年的<span style="color: black;">没</span><span style="color: black;">发展</span><span style="color: black;">存活</span>期(PFS)率为69%,总<span style="color: black;">存活</span>期(OS)率为94%,</strong>相比之下,<span style="color: black;">哪些</span>有核红细胞含量较高或收集到冷冻<span style="color: black;">保留</span>时间较长的单位分别为5%和48%。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="//q4.itc.cn/images01/20240524/bc6b4d6ab4e3427799d501158c9f1351.jpeg" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">完全缓解率为70%!NKX019在复发或难治性CD19阳性B细胞恶性肿瘤中“大放异彩”</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">2023年欧洲血液学协会(EHA)大会上公示了NKX019的1期<span style="color: black;">实验</span>(NCT05020678)的初步数据。NKX019是一种冷冻<span style="color: black;">保留</span>的CD19靶向的同种异体CAR-NK细胞疗法,可用于治疗B细胞恶性肿瘤。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="//q3.itc.cn/images01/20240524/7cd55fa90c0c4559ac849eacaa60c06e.jpeg" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">这项<span style="color: black;">科研</span>,纳入了19例<span style="color: black;">身患</span>复发或难治性CD19阳性B细胞恶性肿瘤的<span style="color: black;">病人</span>,在治疗过程中,<span style="color: black;">病人</span><span style="color: black;">必须</span>先接受淋巴细胞清除术(环磷酰胺+氟达拉滨);之后再接受NKX019治疗。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">结果<span style="color: black;">表示</span>,在这些可<span style="color: black;">评定</span>的<span style="color: black;">病人</span>(n=10)中,<strong style="color: blue;">总体缓解率为80%,其中完全缓解(CR)率为70%;大B细胞淋巴瘤(LBCL)<span style="color: black;">病人</span>的CR率为50%。</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="//q8.itc.cn/images01/20240524/906d9d4cdf1348b7b3e583131cd6b996.jpeg" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">国内首个“即用型”CAR-NK疗法针对卵巢癌的临床实验<span style="color: black;">获准</span></strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">2021年11月11日,国家药监局<span style="color: black;">药物</span>审评中心<span style="color: black;">经过</span>了一款我国自主<span style="color: black;">开发</span>的针对晚期上皮性卵巢癌治疗的CAR-NK注射液的临床<span style="color: black;">实验</span>申请。此款CAR-NK疗法的<span style="color: black;">开发</span>有利于<span style="color: black;">加强</span>卵巢癌的治疗效果和改善<span style="color: black;">病人</span>生活质量。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="//q1.itc.cn/images01/20240524/020c51ad7ceb4f1d8d08eff9fb531bfc.jpeg" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">此款<span style="color: black;">制品</span>是我国自主<span style="color: black;">开发</span>的,国内首个IND<span style="color: black;">获准</span>的“现货型”CAR-NK<span style="color: black;">制品</span>,该CAR-NK疗法的<span style="color: black;">开发</span>有利于<span style="color: black;">加强</span>卵巢癌的治疗效果和改善<span style="color: black;">病人</span>生活质量。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">值得<span style="color: black;">幸运</span>的是,<span style="color: black;">日前</span>这款CAR-NK疗法针对卵巢癌的<span style="color: black;">实验</span>仍在国内进行临床招募,想申请的病友<span style="color: black;">能够</span>联系<strong style="color: blue;">康和源免疫之家医学部(400-880-3716)</strong><span style="color: black;">认识</span><span style="color: black;">仔细</span>的出入排标准,并进行初步<span style="color: black;">评定</span>,看<span style="color: black;">是不是</span>有机会申请临床<span style="color: black;">实验</span>。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">综上所述,CAR-NK细胞疗法可能与CAR-T细胞疗法<span style="color: black;">一样</span>有效。与CAR-T细胞相比,CAR-NK细胞在治疗恶性肿瘤方面<span style="color: black;">拥有</span>多种<span style="color: black;">优良</span>,为晚期恶性肿瘤<span style="color: black;">病人</span>带来了<span style="color: black;">期盼</span>。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">参考资料</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">1.Robo1-specific chimeric antigen receptor natural killer cell... : Journal of Cancer Research and Therapeutics (lww.com)</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">2.nkarta eha2023 nkx019 presentation s261 dickinson.pdf (nkartatx.com)</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">免责声明:康和源免疫之家为免疫科普平台,文本参考<span style="color: black;">源自</span>于网络,版权归原作者所有。</p>
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