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Synergistic effect of immunotherapy and radiotherapy in non-small cell lung cancer: current clinical trials and prospective challenges.

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机构: [1]Department of Thoracic Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, China. [2]Department of Urology, Institute of Urology (Laboratory of Reconstructive Urology), West China Hospital, Sichuan University, Chengdu, China. [3]Department of Radiation Oncology, Thomas Jefferson University, Philadelphia, PA, USA.
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关键词: immunotherapy radiotherapy combination immunecheckpoints non-smallcelllungcancer

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Lately, the success of ICIs has drastically changed the landscape of cancer treatment, and several immune checkpoint inhibitors (ICIs) have been approved by the US Food and Drug Administration (FDA) for advanced non-small cell lung cancer (NSCLC). However, numerous patients are resistant to ICIs and require additional procedures for better efficacy results. Thus, combination therapy is urgently needed to strengthen the anti-tumor immunity. A variety of preclinical and clinical studies combining ICIs with radiotherapy (RT) have demonstrated that the combination could induce synergistic effects, as RT overcomes the resistance to ICIs. However, the underlying mechanism of the synergistic effect and the optimal arrangement of the combination therapy are indecisive now. Hence, this review was conducted to provide an update on the current clinical trial results and highlighted the ongoing trials. We also discussed the optimal parameters in clinical trials, including radiation dose, radiation fractionation, radiation target field, and sequencing of combination therapy. In this review, we found that combination therapy showed stronger anti-tumor immunity with tolerable toxicities in clinical trials. However, the best combination mode and potential biomarkers for the target patients in combination therapy are still unclear.© The Author(s) [2019]. Published by Oxford University Press on behalf of West China School of Medicine & West China Hospital of Sichuan University.

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大类 | 4 区 医学
小类 | 4 区 医学:研究与实验
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第一作者机构: [1]Department of Thoracic Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, China.
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