Targeted therapies for patients with advanced NSCLC harboring wild-type EGFR: what's new and what's enough
1Department of Medical Oncology, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, 200433, P. R. China. drzhoufei@126.com.
Abstract:
Historically, non-small cell lung cancer (NSCLC) is divided into squamous and nonsquamous subtypes based on histologic features. With a growing number of oncogenic drivers being identified in squamous and nonsquamous NSCLC, this malignancy has been recently divided into several distinct subtypes according to the specific molecular alterations. This new paradigm has substantially highlighted the treatment of advanced NSCLC, shifting it from standard chemotherapy according to specific histologic subtypes to targeted therapy according to specific oncogenic drivers. The application of epidermal growth factor receptor (EGFR)-tyrosine kinase inhibitors (TKIs) in NSCLC patients harboring activating EGFR mutations has been a representative model of precise medicine in the treatment of NSCLC. As the role of EGFR-TKIs in routine management of patients with advanced NSCLC has been well established, this review provides an overview of alternative targeted therapy in the treatment of NSCLC, including EGFR-TKIs for patients with wild-type EGFR NSCLC, as well as other targeted agents either clinical available or in early- to late-stage development.
Insights
Non-small cell lung cancer (NSCLC) treatment is shifting from chemotherapy to targeted therapies based on molecular alterations. This review explores alternative targeted treatments beyond epidermal growth factor receptor (EGFR)-tyrosine kinase inhibitors (TKIs) for advanced NSCLC.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Non-small cell lung cancer (NSCLC) classification has evolved from histology to molecular alterations.
- Identifying specific oncogenic drivers has revolutionized advanced NSCLC treatment paradigms.
- Epidermal growth factor receptor (EGFR)-tyrosine kinase inhibitors (TKIs) exemplify precision medicine in NSCLC.
Purpose of the Study:
- To provide an overview of alternative targeted therapies for advanced NSCLC.
- To discuss EGFR-TKIs for wild-type EGFR NSCLC.
- To review other targeted agents in clinical development for NSCLC.
Main Methods:
- Literature review of targeted therapy in NSCLC.
- Analysis of current clinical applications and developmental stages of targeted agents.
- Focus on treatments beyond standard EGFR mutation-targeted therapies.
Main Results:
- The shift towards targeted therapy based on molecular drivers is a key trend in advanced NSCLC.
- EGFR-TKIs are established for EGFR-mutated NSCLC, but alternatives are emerging.
- Various targeted agents are in development for different NSCLC molecular subtypes.
Conclusions:
- Precision medicine is transforming NSCLC treatment, moving beyond histology.
- Alternative targeted therapies offer new hope for patients with advanced NSCLC, including those with wild-type EGFR.
- Continued research and development of targeted agents are crucial for improving NSCLC outcomes.
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