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Updated: Jan 27, 2026

Radiosensitivity of Cancer Stem Cells in Lung Cancer Cell Lines
Published on: August 21, 2019
Treatment of oncogene-driven non-small cell lung cancer
Elisabeth A Kastelijn1, Adrianus J de Langen2, Bas J M Peters3
1Department of Pulmonology, St. Antonius Hospital Utrecht/Nieuwegein, Utrecht.
Purpose Of Review:
With the development of targeted therapies, the treatment strategy of patients with advanced or metastatic non-small cell lung cancer (NSCLC) has changed tremendously. In this review, we focus on the different aspects of the treatment of oncogene-driven NSCLC.
Recent Findings:
Patients with an EGFR or ALK alteration show a better clinical outcome with tyrosine kinase inhibitor (TKI) treatment compared to chemotherapy.Patients with a ROS1 rearrangement or a BRAF V600E mutation show favorable clinical outcome with TKI treatment compared to chemotherapy, although randomized trials are not available.Patients on TKIs will eventually develop disease progression because of acquired resistance.The treatment with immunotherapy in EGFR and ALK-positive NSCLC patients did not improve overall survival over that of chemotherapy.Blood-based genetic analysis provides the opportunity to noninvasively screen patients for the presence of oncogenic drivers and to monitor resistance during TKI treatment.
Summary:
Targeted molecular therapies are now standard of care for patients with oncogene-driven NSCLC with a good clinical benefit and minimal toxicity. The role of immunotherapy in patients with molecular alterations is still unclear. Blood-based genotyping has gained interest in the diagnostic and resistance monitoring setting for patients with NSCLC.
Insights
Targeted therapies improve outcomes for oncogene-driven non-small cell lung cancer (NSCLC). While tyrosine kinase inhibitors (TKIs) are effective, resistance develops. Blood tests help identify drivers and monitor treatment resistance.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Advanced or metastatic non-small cell lung cancer (NSCLC) treatment has been revolutionized by targeted therapies.
- Understanding oncogene-driven NSCLC is crucial for optimizing patient care.
Purpose of the Study:
- To review the treatment strategies for oncogene-driven non-small cell lung cancer (NSCLC).
- To discuss the efficacy of targeted therapies and the role of immunotherapy in this patient population.
Main Methods:
- Review of current literature on targeted therapies and immunotherapy for NSCLC.
- Analysis of clinical outcomes in patients with specific genetic alterations (EGFR, ALK, ROS1, BRAF V600E).
Main Results:
- Tyrosine kinase inhibitors (TKIs) demonstrate superior clinical outcomes compared to chemotherapy for EGFR, ALK, ROS1, and BRAF V600E-altered NSCLC.
- Acquired resistance to TKIs leads to disease progression.
- Immunotherapy has not shown improved overall survival over chemotherapy in EGFR and ALK-positive NSCLC.
- Blood-based genetic analysis offers a noninvasive method for driver screening and resistance monitoring.
Conclusions:
- Targeted molecular therapies are the standard of care for oncogene-driven NSCLC, offering significant clinical benefit with low toxicity.
- The efficacy of immunotherapy in NSCLC patients with molecular alterations requires further investigation.
- Liquid biopsy (blood-based genotyping) is increasingly valuable for NSCLC diagnosis and monitoring treatment resistance.
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