RAS Inhibitors: Changing the Paradigm from the Undruggable
Federica Campana1, Emanuela De Bellis2, Floriana Porcaro3
1Department of Human, Philosophical and Formation Sciences, University of Salerno, 84084 Fisciano, Italy.
Pharmaceutics
|July 28, 2026
Summary
RAS mutations were historically challenging targets for drug development. Recent advances in KRAS G12C inhibitors have spurred new drug development, expanding the range of RAS inhibitor options.
Area of Science:
- Oncology
- Pharmacology
- Molecular Biology
Background:
- RAS mutations are historically difficult targets in cancer drug development.
- Previous attempts to inhibit RAS mutations pharmacologically were unsuccessful.
- The emergence of KRAS G12C inhibitors marks a significant breakthrough.
Purpose of the Study:
- To provide an updated summary of RAS inhibitor drugs.
- To detail the mechanisms of action, pharmacokinetics, and toxicity of RAS inhibitors.
- To review efficacy studies of current RAS inhibitor therapies.
Main Methods:
- Literature review of RAS inhibitor drugs.
- Analysis of mechanisms of action.
- Summary of pharmacokinetic and toxicity data.
- Compilation of efficacy study results.
Main Results:
- The development of KRAS G12C inhibitors (sotorasib, adagrasib) has transformed the field.
- The landscape of RAS inhibitors now includes multiple compounds with diverse mechanisms.
- Updated data on pharmacokinetics, toxicity, and efficacy are crucial for clinical application.
Conclusions:
- RAS inhibitors represent a rapidly evolving area in cancer therapy.
- Newer agents offer targeted approaches for specific RAS mutations.
- This review synthesizes current knowledge on RAS inhibitors for researchers and clinicians.
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