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Immunotherapy in Non-Small Cell Lung Cancer: Biological Principles and Future Opportunities
M Ilie1,2, J Benzaquen2,3, V Hofman1,2
1University Cote d'Azur, Nice Hospital, FHU OncoAge, Laboratory of Clinical and Experimental Pathology and Hospital-related Biobank (BB-0033-00025), 06001 Nice, France.
Current Molecular Medicine
|February 24, 2018
Summary
Immunotherapy using immune checkpoint inhibitors shows promise for non-small cell lung cancer (NSCLC). Further research is needed to overcome resistance and improve patient responses to these treatments.
Area of Science:
- Oncology
- Immunology
- Cancer Research
Background:
- Immunotherapy enhances anticancer immune responses by targeting tumor neo-antigens.
- Immune checkpoints, like PD-1/PD-L1, are crucial for effective immune activation.
- PD-1/PD-L1 inhibitors have shown efficacy in various cancers, including NSCLC.
Purpose of the Study:
- To review the biological principles of immune checkpoint blockade.
- To highlight the current status of immunotherapy in NSCLC.
- To discuss future perspectives for overcoming resistance to immune checkpoint inhibitors.
Main Methods:
- Review of current literature on cancer immunology and immunotherapy.
- Analysis of clinical trial data for PD-1/PD-L1 inhibitors in NSCLC.
- Exploration of translational research in human samples to understand resistance mechanisms.
Main Results:
- PD-1/PD-L1 blockade is a significant immunotherapy strategy for NSCLC.
- Monotherapy with checkpoint inhibitors yields objective responses in 30-40% of patients.
- Innate and acquired resistance limit treatment efficacy, with disease progression in responders.
Conclusions:
- Understanding resistance mechanisms is key to improving immunotherapy outcomes.
- Translational research offers potential to identify strategies to overcome resistance.
- Further development of immune checkpoint inhibitors is crucial for NSCLC treatment.
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