The Current Landscape of Immune Checkpoint Blockade in Metastatic Lung Squamous Cell Carcinoma

In addition to surgery, chemotherapy, radiotherapy, and targeted therapy, immunotherapy has emerged as a standard pillar of cancer treatment. Immune checkpoint inhibitors (ICIs) such as targeting programmed death-1/programmed death ligand 1 (PD-1/PD-L1) and cytotoxic T lymphocyte antigen 4 (CTLA-4)...

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Main Authors: Hong Yuan, Jing Liu, Jun Zhang
Format: Article
Language:English
Published: MDPI AG 2021-03-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/26/5/1392
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author Hong Yuan
Jing Liu
Jun Zhang
author_facet Hong Yuan
Jing Liu
Jun Zhang
author_sort Hong Yuan
collection DOAJ
description In addition to surgery, chemotherapy, radiotherapy, and targeted therapy, immunotherapy has emerged as a standard pillar of cancer treatment. Immune checkpoint inhibitors (ICIs) such as targeting programmed death-1/programmed death ligand 1 (PD-1/PD-L1) and cytotoxic T lymphocyte antigen 4 (CTLA-4) have been integrated into standard-of-care regimens for patients with advanced lung squamous cell carcinoma (LUSC), who were previously limited by the lack of treatment options. Atezolizumab, durvalumab, nivolumab, and pembrolizumab are all currently used as part of standard-of-care treatment for different stages of lung cancer. Recent successes and failures of immune checkpoint blockade-based combination therapies have provided significant insights into implementing combination strategies in LUSC. Therefore, there is an urgent need to correctly select patients who are more likely to respond to immunotherapy and understand the mechanisms of primary or acquired resistance. In this review, we aim at summarizing the emerging clinical data on the promise and challenge of ICIs, discussing the unmet need of potential biomarkers for predicting response or resistance to immunotherapy, and providing an overview of the current immune landscape and future directions in advanced LUSC.
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spelling doaj.art-d133bebc4a354977bd88e34ef43bdc3c2023-12-03T12:34:51ZengMDPI AGMolecules1420-30492021-03-01265139210.3390/molecules26051392The Current Landscape of Immune Checkpoint Blockade in Metastatic Lung Squamous Cell CarcinomaHong Yuan0Jing Liu1Jun Zhang2Department of Oncology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, ChinaDepartment of Oncology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, ChinaDepartment of Oncology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, ChinaIn addition to surgery, chemotherapy, radiotherapy, and targeted therapy, immunotherapy has emerged as a standard pillar of cancer treatment. Immune checkpoint inhibitors (ICIs) such as targeting programmed death-1/programmed death ligand 1 (PD-1/PD-L1) and cytotoxic T lymphocyte antigen 4 (CTLA-4) have been integrated into standard-of-care regimens for patients with advanced lung squamous cell carcinoma (LUSC), who were previously limited by the lack of treatment options. Atezolizumab, durvalumab, nivolumab, and pembrolizumab are all currently used as part of standard-of-care treatment for different stages of lung cancer. Recent successes and failures of immune checkpoint blockade-based combination therapies have provided significant insights into implementing combination strategies in LUSC. Therefore, there is an urgent need to correctly select patients who are more likely to respond to immunotherapy and understand the mechanisms of primary or acquired resistance. In this review, we aim at summarizing the emerging clinical data on the promise and challenge of ICIs, discussing the unmet need of potential biomarkers for predicting response or resistance to immunotherapy, and providing an overview of the current immune landscape and future directions in advanced LUSC.https://www.mdpi.com/1420-3049/26/5/1392lung squamous cell carcinomaimmunotherapyimmune checkpoint blockadetumor microenvironment
spellingShingle Hong Yuan
Jing Liu
Jun Zhang
The Current Landscape of Immune Checkpoint Blockade in Metastatic Lung Squamous Cell Carcinoma
Molecules
lung squamous cell carcinoma
immunotherapy
immune checkpoint blockade
tumor microenvironment
title The Current Landscape of Immune Checkpoint Blockade in Metastatic Lung Squamous Cell Carcinoma
title_full The Current Landscape of Immune Checkpoint Blockade in Metastatic Lung Squamous Cell Carcinoma
title_fullStr The Current Landscape of Immune Checkpoint Blockade in Metastatic Lung Squamous Cell Carcinoma
title_full_unstemmed The Current Landscape of Immune Checkpoint Blockade in Metastatic Lung Squamous Cell Carcinoma
title_short The Current Landscape of Immune Checkpoint Blockade in Metastatic Lung Squamous Cell Carcinoma
title_sort current landscape of immune checkpoint blockade in metastatic lung squamous cell carcinoma
topic lung squamous cell carcinoma
immunotherapy
immune checkpoint blockade
tumor microenvironment
url https://www.mdpi.com/1420-3049/26/5/1392
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