Novel immunotherapy approaches for metastatic urothelial and renal cell carcinoma

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摘要 The treatment of metastatic renal cell carcinoma (RCC) and urothelial carcinoma (UC) remains a major challenge. Past research has implicated the immune system in tumor surveillance of both malignancies, leading to the application of immunotherapy agents for both cancers. Among them, the most promising agents are the checkpoint blockade drugs, such as antibodies targeting the cytotoxic T-lymphocyte-associated antigen 4 (CTLA-4), programmed death receptor 1 (PD-1), and PD-1 ligand (PD-L1). In normal physiology, these immune checkpoints act as inhibitory signals to fine-tune the duration and strength of immune reactions, which is pivotal for maintaining self-tolerance. However, tumor cells also utilize immune checkpoint pathways to evade anti-tumor immune response, leading to disease progression and metastasis. Thus, there has been intense preclinical and clinical effort focused on the application of checkpoint inhibitors in metastatic RCC and UC. To date, nivolumab (anti-PD-1) and atezolizumab (anti-PD-L1) have been approved for the treatment of metastatic RCC and UC, respectively. Despite these successes, challenges remain in how to further improve response rates to immunotherapy and how to select patients that will benefit from this approach. In this report, we review existing data and research on immunotherapy in metastatic RCC and UC.

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	Zhiying Shao
	Andrew Z. Wang
	Daniel J. George
	Tian Zhang

关键词: Immune checkpoint inhibitors Nivolumab Atezolizumab Pembrolizumab Renal cell carcinoma Urothelial carcinoma

Abstract: The treatment of metastatic renal cell carcinoma (RCC) and urothelial carcinoma (UC) remains a major challenge. Past research has implicated the immune system in tumor surveillance of both malignancies, leading to the application of immunotherapy agents for both cancers. Among them, the most promising agents are the checkpoint blockade drugs, such as antibodies targeting the cytotoxic T-lymphocyte-associated antigen 4 (CTLA-4), programmed death receptor 1 (PD-1), and PD-1 ligand (PD-L1). In normal physiology, these immune checkpoints act as inhibitory signals to fine-tune the duration and strength of immune reactions, which is pivotal for maintaining self-tolerance. However, tumor cells also utilize immune checkpoint pathways to evade anti-tumor immune response, leading to disease progression and metastasis. Thus, there has been intense preclinical and clinical effort focused on the application of checkpoint inhibitors in metastatic RCC and UC. To date, nivolumab (anti-PD-1) and atezolizumab (anti-PD-L1) have been approved for the treatment of metastatic RCC and UC, respectively. Despite these successes, challenges remain in how to further improve response rates to immunotherapy and how to select patients that will benefit from this approach. In this report, we review existing data and research on immunotherapy in metastatic RCC and UC.

Key words: Immune checkpoint inhibitors Nivolumab Atezolizumab Pembrolizumab Renal cell carcinoma Urothelial carcinoma

收稿日期: 2016-06-18 修回日期: 2016-08-19 出版日期: 2016-10-01 发布日期: 2016-11-02 整期出版日期: 2016-10-01

通讯作者: Tian Zhang,E-mail address: tian.zhang2@dm.duke.edu E-mail: tian.zhang2@dm.duke.edu

引用本文:

Zhiying Shao, Andrew Z. Wang, Daniel J. George, Tian Zhang. Novel immunotherapy approaches for metastatic urothelial and renal cell carcinoma[J]. Asian Journal of Urology, 2016, 3(4): 268-277.
Zhiying Shao, Andrew Z. Wang, Daniel J. George, Tian Zhang. Novel immunotherapy approaches for metastatic urothelial and renal cell carcinoma. Asian Journal of Urology, 2016, 3(4): 268-277.

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http://www.ajurology.com/CN/ 或 http://www.ajurology.com/CN/Y2016/V3/I4/268

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