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Review

Epidermal growth factor receptor-targeted therapy for the treatment of non-small cell lung cancer: a review of phase II and III trials

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Pages 111-126 | Received 20 Dec 2021, Accepted 05 Apr 2022, Published online: 14 Apr 2022
 

ABSTRACT

Introduction

Epidermal growth factor receptor (EGFR) is one of the most common driver gene mutations in non-small-cell lung cancer (NSCLC). EGFR-tyrosine kinase inhibitors (TKIs) monotherapy and EGFR-TKI combined with chemotherapy or anti-angiogenesis drugs have significantly prolonged the survival of patients with EGFR-mutant NSCLC. However, disease progression caused by acquired resistance to EGFR-TKIs is inevitable. And patients with EGFR exon 20ins showed limited efficacy to EGFR-TKIs.

Areas covered

In this review, we initially evaluated the efficacy of existing treatments for EGFR-mutant NSCLC. Second, we reviewed the ongoing phase II and III clinical trials, provided the latest results, discussed the scientific rationale of these trials and the potential development issues.

Expert opinion

The application of EGFR-TKIs has greatly changed the therapeutic strategies for advanced and resected NSCLC with EGFR mutations, and the 5-year overall survival (OS) rate for advanced NSCLC was close to 40%. The current research direction for the treatment of patients with EGFR mutations focuses on the following three aspects: uncommon EGFR mutation subtypes, brain metastases, and EGFR TKI-based combination therapy. Future studies on EGFR-mutant NSCLC therapy will focus on overcoming EGFR-TKI-related resistance, preventing drug resistance in advance, and developing bispecific antibody drugs.

Declaration of interest

Y.-L. Wu reports on consulting and advisory services and declares speaker fees for Roche, AstraZeneca, Eli Lilly, Boehringer Ingelheim, Sanofi, MSD, and BMS. All other authors declare no conflict of interest.

Reviewer disclosures

Peer reviewers in this manuscript have no relevant financial or other relationships to disclose.

Additional information

Funding

This work was supported by Key Lab System Project of Guangdong Science and Technology Department, Guangdong Provincial Key Lab of Translational Medicine in Lung Cancer [2017B030314120 to Y.L. Wu)

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