内免疫疗法的信心!我国生物技术公司ICT CAR-T治疗B淋巴细胞白血病治愈率达90%

2016-05-10 佚名 生物谷

图片来源:http://www.biospace.com 4月22日至24日,2016年血液病免疫治疗峰会在杭州召开。来自浙江大学附属第一医院的黄河教授首次公开了10个CAR-T治疗白血病的临床病例数据,成果非常喜人。 该临床试验是由浙江大学附属第一医院协同生物技术公司Innovative Cellular Therapeutics (ICT)联合实施的,2015年6月份通过伦理委员会批准

图片来源:http://www.biospace.com

4月22日至24日,2016年血液病免疫治疗峰会在杭州召开。来自浙江大学附属第一医院的黄河教授首次公开了10个CAR-T治疗白血病的临床病例数据,成果非常喜人。

该临床试验是由浙江大学附属第一医院协同生物技术公司Innovative Cellular Therapeutics (ICT)联合实施的,2015年6月份通过伦理委员会批准,接受了首例患者。到2016年4月,第十名患者获得了完全缓解。在为期10个月的临床试验中,黄河研究团队为这10名复发或难治性B淋巴细胞白血病患者进行了CAR-T细胞治疗,并初步评估其安全性和有效性。

该临床试验严格符合临床伦理标准,并由第三方临床研究机构监督。所有接受CAR-T治疗的患者产生的医疗费用由Innovative Cellular Therapeutics (ICT)公司承担。试验结果表明,9名患者获得了完全缓解,8名患者的白血病微小残留病(minimal residual disease,MRD)转为阴性,这是CAR-T治疗取得疗效的重要标志。白血病微小残留病,是指在白血病经诱导化疗获完全缓解后或是骨髓移植治疗后,体内仍雍留有少量白血病细胞的状态,可作为预后的一个指标。90%的完全缓解率、80%的MRD阴性率,这是迄今为止世界上用CAR-T治疗B淋巴细胞白血病得到的最佳结果。

这10名参与临床治疗的患者,年龄从17岁至57岁,全部患有复发或难治性B淋巴细胞白血病,接受治疗前,生命只剩下短短的几个月。参与临床治疗的第十名患者年仅17岁,她于今年3月份决定接受CAR-T治疗。黄河研究团队从她的血液中分离出T细胞,并对其进行基因工程改造,使其表达嵌合抗原受体,也就是所谓的“CAR”。表达嵌合抗原受体的T细胞能够准确识别和消灭恶性肿瘤细胞,从而达到治疗癌症的目的。随后4月份,CAR-T细胞被重新输入患者体内,接着就发生了“细胞因子风暴”,这是研究人员预期的结果。由于CAR-T细胞在患者体内快速增殖,机体会释放大量的细胞因子,患者会出现发热、肌肉疼痛和血氧不足等症状,这表明CAR-T细胞在体内发挥了作用。最终结果是这名17岁的患者获得了完全缓解,其白血病微小残留病也转为阴性。

Innovative Cellular Therapeutics公司除了与浙江大学第一附属医院进行合作之外,还与其它7家医院展开了复发和难治性急性淋巴细胞白血病的CAR-T治疗临床试验,目前这部分临床试验已经完成,得到了23名患者的原始数据。这23名患者中,有20名得到了完全缓解,完全缓解率达到87%。

在此之前,全世界只有诺华、Juno和Kite Pharma这三家美国公司在白血病中开展了类似的CAR-T治疗。这次临床试验成功标志着Innovative Cellular Therapeutics在CAR-T治疗白血病方面达到了世界领先水平。接下来,Innovative Cellular Therapeutics还将开展CAR-T治疗淋巴瘤的临床试验。随后Innovative Cellular Therapeutics将把目光投向结直肠癌胃癌、食道癌等实体瘤领域。

近年来,CAR-T治疗已经受到医生、研究人员和患者的充分关注,作为一项精准的肿瘤免疫疗法,相信会在未来使得更多的肿瘤患者受益。谈到这里,生物谷小编想补充的是,这则消息许多外媒纷纷进行了报道,而国内却鲜有报道,不知是否受到了“魏则西事件”的影响。肿瘤免疫治疗在世界范围内方兴未艾,国内许多研究团队已经取得了一些成绩,例如李宗海教授的研究团队在恶性胶质瘤中进行的CAR-T治疗已经取得了喜人的成果。“魏则西事件”的黑锅不应当让肿瘤免疫疗法来背,人们需要相信国内科学家做出的努力,而不能让这一负面消息限制肿瘤免疫疗法在国内的发展。

原始出处:

Innovative Cellular Therapeutics Co., Ltd. Release: Complete Remission Rate of 90: China-based CAR-T Cell Therapy Achieves Breakthrough Clinical Trial Results.2016.5.6

相关会议推荐

2016(第七届)细胞治疗国际研讨会

会议时间:2016.06.17-2016.06.18     会议地点:武汉

会议详情: http://www.bioon.com/z/2016Cell-therapies/

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    2016-05-23 cenghis
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    2016-08-09 仁者大医
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    2016-05-21 1deccd6bm00(暂无匿称)

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