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The improbable targeted therapy: KRAS as an emerging target in non-small cell lung cancer (NSCLC)
Ravi Salgia1, Rebecca Pharaon1, Isa Mambetsariev1
1Department of Medical Oncology and Therapeutics Research, City of Hope National Medical Center, Duarte, CA 91010, USA.
Abstract:
KRAS is a frequent oncogenic driver in solid tumors, including non-small cell lung cancer (NSCLC). It was previously thought to be an "undruggable" target due to the lack of deep binding pockets for specific small-molecule inhibitors. A better understanding of the mechanisms that drive KRAS transformation, improved KRAS-targeted drugs, and immunological approaches that aim at yielding immune responses against KRAS neoantigens have sparked a race for approved therapies. Few treatments are available for KRAS mutant NSCLC patients, and several approaches are being tested in clinicals trials to fill this void. Here, we review promising therapeutics tested for KRAS mutant NSCLC.
Insights
Targeting KRAS, a common cancer driver, is now possible in non-small cell lung cancer (NSCLC). Researchers are developing new KRAS-targeted drugs and immunotherapies to treat this challenging disease.
Area of Science:
- Oncology
- Molecular Biology
- Drug Discovery
Background:
- KRAS is a key oncogene in various solid tumors, notably non-small cell lung cancer (NSCLC).
- Historically considered undruggable due to its challenging molecular structure.
- Recent advancements have spurred the development of targeted therapies and immunotherapies.
Purpose of the Study:
- To review emerging therapeutic strategies for KRAS-mutant NSCLC.
- To highlight the progress in overcoming KRAS as a therapeutic target.
- To discuss the potential of novel treatments in clinical trials.
Main Methods:
- Literature review of preclinical and clinical studies.
- Analysis of KRAS-targeted small-molecule inhibitors.
- Evaluation of immunotherapeutic approaches targeting KRAS neoantigens.
Main Results:
- Several novel KRAS inhibitors and combination therapies are in clinical development.
- Immunotherapies are showing promise in generating anti-tumor immune responses.
- Targeting KRAS mutations offers a new avenue for NSCLC treatment.
Conclusions:
- KRAS-mutant NSCLC is becoming an actionable target with emerging therapies.
- A combination of targeted drugs and immunotherapy may offer improved outcomes.
- Further research and clinical trials are crucial to validate these promising approaches.
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