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MET Exon 14 Skipping Mutation in NSCLC: From Genomic Discovery to Biomarker-Guided Therapeutic Innovation
Xiang Huang1, Shimei Zhang2, Linjuan Wang3
1Women and Children's Hospital, School of Public Health, Xiamen University, Xiamen, 361000, China.
Introduction:
Non-small cell lung cancer (NSCLC) is the most common type of lung cancer, and the MET exon 14 skipping mutation is a key oncogenic driver, which promotes tumor progression and provides a new direction for precision therapy.
Methods:
A systematic search of English-language literature and clinical trial data related to the MET exon 14 skipping mutation from 2020-2025 was performed to summarize the role of the mutation and therapeutic advances.
Results:
DNA-based next-generation sequencing (NGS), RNA-based NGS, and RT-qPCR were employed as the main detection methods. Preclinical models confirmed that mutations promote tumor progression by activating the RAS/MAPK pathway. Clinical trials have reported objective remission rates (ORR) of 46-68% for first-line treatment with MET inhibitors in NSCLC patients harboring MET exon 14 skipping mutations.
Discussion:
MET exon 14 skipping mutation as a therapeutic target for NSCLC has made significant progress, and MET inhibitors are more advantageous than chemotherapy and immunotherapy, and have been recommended by national and international guidelines as a first-line treatment option. Additionally, NGS technology has the potential to dynamically monitor tumor evolution and drugresistant mutations, thereby helping to realize precision medicine.
Conclusion:
The MET exon 14 skipping mutation is an important target for the precision treatment of NSCLC, and MET-TKIs have remarkable efficacy but a prominent problem with drug resistance. The construction of a precision medicine system encompassing diagnosis, treatment, and drug resistance management through multi-omics research, technological innovation, and international collaboration is a key direction for improving prognosis.
Insights
The MET exon 14 skipping mutation drives non-small cell lung cancer (NSCLC) progression. MET inhibitors show high efficacy in clinical trials, offering a targeted therapy for NSCLC patients.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Non-small cell lung cancer (NSCLC) is the most prevalent lung malignancy.
- The MET exon 14 skipping mutation acts as a critical oncogenic driver in NSCLC.
- This mutation presents a significant target for precision therapy in NSCLC management.
Purpose of the Study:
- To review the role of the MET exon 14 skipping mutation in NSCLC.
- To summarize recent therapeutic advancements for NSCLC patients with this mutation.
- To evaluate the efficacy and challenges of MET inhibitors in NSCLC treatment.
Main Methods:
- Systematic literature and clinical trial data search (2020-2025).
- Analysis of detection methods including DNA-based NGS, RNA-based NGS, and RT-qPCR.
- Review of preclinical models and clinical trial outcomes for MET inhibitors.
Main Results:
- Preclinical data indicate MET exon 14 skipping mutations activate the RAS/MAPK pathway, promoting tumor growth.
- Clinical trials demonstrate objective remission rates of 46-68% with first-line MET inhibitors in NSCLC.
- MET inhibitors are recommended as a first-line treatment option by major guidelines.
Conclusions:
- MET exon 14 skipping mutation is a validated therapeutic target in NSCLC.
- MET inhibitors offer superior outcomes compared to chemotherapy and immunotherapy.
- Addressing drug resistance and integrating multi-omics approaches are crucial for advancing precision medicine in NSCLC.
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