Applications of tumor chip technology.

Applications of tumor chip technology.
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DOI:
10.1039/c8lc00330k
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发表时间:
2018-09-26
期刊:
影响因子:
6.1
通讯作者:
Hughes CCW
Hughes CCW
中科院分区:
工程技术1区
文献类型:
--
作者:
Hachey SJ;Hughes CCW

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在过去的60年里,将一种新药推向市场的经通胀调整的成本一直在不断增加,每9年翻一番--现在已超过25亿美元。总体而言,FDA批准进入I期临床试验的药物(任何疾病适应症)的可能性仅为9.6%,而肿瘤学的批准率远远低于平均水平,仅为5.1%。缺乏有效性或毒性往往直到临床试验的后期阶段才被揭示,尽管临床前数据很有希望。这表明目前用于药物筛选的体外系统需要改进,以便更好地预测体内结果。微生理系统(MPS),即在体外模拟生理和病理过程的生物工程3D微流控组织和器官结构,可以在临床前研究和临床试验阶段被利用,以改变一系列疾病的药物开发和临床管理。在这里,我们回顾了目前为癌症研究开发的3D组织工程模型的最新水平,重点是芯片上肿瘤或肿瘤芯片模型。在我们看来,肿瘤芯片系统可以促进创新药物的发展,以改善抗癌药物开发和临床治疗的高失败率。
Over the past six decades the inflation-adjusted cost to bring a new drug to market has been increasing constantly and doubles every 9 years - now reaching in excess of $2.5 billion. Overall, the likelihood of FDA approval for a drug (any disease indication) that has entered phase I clinical trials is a mere 9.6%, with the approval rate for oncology far below average at only 5.1%. Lack of efficacy or toxicity is often not revealed until the later stages of clinical trials, despite promising preclinical data. This indicates that the current in vitro systems for drug screening need to be improved for better predictability of in vivo outcomes. Microphysiological systems (MPS), or bioengineered 3D microfluidic tissue and organ constructs that mimic physiological and pathological processes in vitro, can be leveraged across preclinical research and clinical trial stages to transform drug development and clinical management for a range of diseases. Here we review the current state-of-the-art in 3D tissue-engineering models developed for cancer research, with a focus on tumor-on-a-chip, or tumor chip, models. From our viewpoint, tumor chip systems can advance innovative medicine to ameliorate the high failure rates in anti-cancer drug development and clinical treatment.
通过自导向的血管生成发芽的体外3D毛细管床的工程。
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