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Trends in the treatment of advanced hepatocellular carcinoma: immune checkpoint blockade immunotherapy and related combination therapies.

ABSTRACT: Hepatocellular carcinoma (HCC) is the most common liver cancer with high morbidity and mortality worldwide. Systemic treatments with several multi-targeted tyrosine kinase inhibitors (TKIs), including sorafenib, lenvatinib, regorafenib and cabozantinib, have been widely utilized int the treatment of HCC. However, with tolerable adverse events and relative low survival time, neo or optimized therapies for advanced HCC are still urgently needed. New developed immune checkpoint inhibitors therapy have been first demonstrated effective in metastatic melanoma through against CTLA-4 or PD-1/PD-L1 to renew T cell effector function. Preclinical data indicated that interference with immune checkpoint molecules results in HCC growth suppression, suggesting it may bring hope to the HCC treatment. Several clinical trials applying monoclonal antibodies to immune checkpoint molecules demonstrated that immune checkpoint inhibitors are safe and enable durable antitumor activity in advanced HCC patients. Several published immunotherapy trials in HCC using Anti-CTLA-4 agents (tremelimumab) or anit-PD-1 agents (Nivolumab) have showed promising results, in which have similar response rate (15%-30%) and disease control rate with TKIs therapies. This article will review the on-going clinical trials associated with immune checkpoint molecules monotherapy or co, and then discuss the optimal scheme of immune checkpoint therapy for advanced HCC.

SUBMITTER: Cheng H

PROVIDER: S-EPMC6726979 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Trends in the treatment of advanced hepatocellular carcinoma: immune checkpoint blockade immunotherapy and related combination therapies.

Cheng Huijuan H Sun Guodong G Chen Hao H Li Yu Y Han Zhijian Z Li Yangbing Y Zhang Peng P Yang Luxi L Li Yumin Y

American journal of cancer research 20190801 8

Hepatocellular carcinoma (HCC) is the most common liver cancer with high morbidity and mortality worldwide. Systemic treatments with several multi-targeted tyrosine kinase inhibitors (TKIs), including sorafenib, lenvatinib, regorafenib and cabozantinib, have been widely utilized int the treatment of HCC. However, with tolerable adverse events and relative low survival time, neo or optimized therapies for advanced HCC are still urgently needed. New developed immune checkpoint inhibitors therapy h ...[more]

PMID: 31497341

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Project description:The absence of potent therapeutic option accounts for the dismal prognosis of advanced hepatocellular carcinoma (HCC) with high mortality and recurrence rate. For a decade, sorafenib is the only approved systemic drug in the first-line setting and warrants as the standard-of-care for HCC in the advanced stage. Given the common failures of chemotherapies and targeted therapies in the field of HCC treatment, promising breakthroughs were eagerly needed and until recently, immunotherapies have opened a new era of anticancer treatment. The liver organ is perceived as "immunotolerant" owing to its functional role, and the hepatic immune balance is found to be deregulated during chronic liver inflammation and HCC tumorigenesis. Restoring a competent immunity by mitigation of immunosuppression signals is a contemporary approach. In this regard, novel immune checkpoint inhibitors have revolutionized cancer pharmacological treatment options with remarkable clinical outcomes in hematologic malignancy and multiple solid tumors including advanced HCC. Nivolumab, an immunotherapeutic agent to block programmed cell death protein 1 (PD-1), showed high efficacy potential for patients progressed with sorafenib and granted accelerated approval by the US Food and Drug Administration (FDA) recently. The development of this class of immunotherapeutic drug is currently based on myriad studies established on the role of T-cell mediated immunosuppression through immune checkpoints. Heterogeneous results have led to further explorations to the profile of oncogenic processes and signaling pathways associated with PD1/PD-L1 axis. Emerging evidence from preclinical studies implicate natural killer (NK) cells as a mediator to the PD-1 checkpoint signaling immunoevasion. The strategy of adopting immunomodulating ability of NK cells by immune checkpoints inhibitors is potential to additive effects in stimulating anticancer immunity. This idea is not entirely newfound but has recently gained prominence because of advances in defining phenotypic heterogeneity of NK cell populations. The physiological significance and synergistic value of NK cells await further investigation in clinical trials. In this review, an overview of the treatment paradigm shift of HCC management is presented. Current knowledge concerning immunological mechanisms of immune checkpoints attributed to T cell is further discussed and relevant ongoing clinical trials are summarized. We proposed that NK cells should be viewed as part of the network of checkpoint immunoevasion and delineate current evidence of translational clinical research in this area. It is conceivable that immune checkpoint inhibitors in combination with NK cell-based therapeutic strategies will be great promise for treatment of advanced HCC.

Dataset Information

Trends in the treatment of advanced hepatocellular carcinoma: immune checkpoint blockade immunotherapy and related combination therapies.

Publications

Trends in the treatment of advanced hepatocellular carcinoma: immune checkpoint blockade immunotherapy and related combination therapies.

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