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Small‐cell lung cancer (SCLC) accounts for 15%–20% of primary lung cancers, and it is characterized by low differentiation, rapid proliferation, and early metastasis. At least two‐thirds of SCLC patients present with the extensive stage (ES) at the time of initial clinical diagnosis. Over the last 2 decades, platinum‐based combination chemotherapy has remained the standard first‐line treatment for SCLC. With the introduction of the immunotherapy era, immunotherapy plus chemotherapy has replaced conventional chemotherapy as the first‐line treatment option for ES‐SCLC and is recommended by National Comprehensive Cancer Network clinical guidelines. Therefore, in this review, we present the latest research advances in SCLC treatment, predictive biomarkers, and other topics of high interest to provide options for patients with SCLC.


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Opportunities and challenges of immune checkpoint inhibitors for extensive‐stage small‐cell lung cancer

Show Author's information Jing Zhao1,2Xiaoli Zhuo1,2Lei Liu1,2Zhe Yang1,3( )Guobin Fu1,3 ( )
The Department of Oncology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
The Department of Oncology, The College of Clinical Medicine, Shandong First Medical University (Shandong Academy of Medical Sciences), Jinan, China
The Department of Oncology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China

Abstract

Small‐cell lung cancer (SCLC) accounts for 15%–20% of primary lung cancers, and it is characterized by low differentiation, rapid proliferation, and early metastasis. At least two‐thirds of SCLC patients present with the extensive stage (ES) at the time of initial clinical diagnosis. Over the last 2 decades, platinum‐based combination chemotherapy has remained the standard first‐line treatment for SCLC. With the introduction of the immunotherapy era, immunotherapy plus chemotherapy has replaced conventional chemotherapy as the first‐line treatment option for ES‐SCLC and is recommended by National Comprehensive Cancer Network clinical guidelines. Therefore, in this review, we present the latest research advances in SCLC treatment, predictive biomarkers, and other topics of high interest to provide options for patients with SCLC.

Keywords: targeted therapy, small‐cell lung cancer, immune checkpoint inhibitors, molecular typing

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Publication history

Received: 29 April 2022
Revised: 29 May 2022
Accepted: 29 June 2022
Published: 08 August 2022
Issue date: August 2022

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© 2022 The Authors.

Acknowledgements

We sincerely thank Jingjiang Lai, Fengxian Jiang, Jingliang Wang, and Wei Xu for their help in data collection and manuscript editing.

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This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial‐NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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