How to manage KRAS G12C-mutated advanced non-small-cell lung cancer

Biagio Ricciuti1, Alessia Mira2, Elisa Andrini3,4

  • 1Lowe Center for Thoracic Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA.

Drugs in Context
|December 1, 2022
PubMed

Insights

Targeting KRAS G12C mutations in non-small cell lung cancer (NSCLC) offers new hope. This review covers current treatments, resistance mechanisms, and strategies for KRAS G12C-mutant NSCLC patients.

Area of Science:

  • Oncology
  • Molecular Biology
  • Pharmacology

Background:

  • Constitutive KRAS signaling is a key driver of tumorigenesis in various cancers.
  • Activating KRAS mutations, particularly KRAS G12C, are prevalent in approximately 30% of non-small cell lung cancer (NSCLC) cases.
  • KRAS mutations were historically considered undruggable targets for over four decades.

Purpose of the Study:

  • To review the current treatment landscape for advanced NSCLC with KRAS G12C mutations.
  • To explore emerging therapeutic strategies, including direct KRAS inhibitors and PD-(L)1-based therapies.
  • To investigate mechanisms of resistance to KRAS inhibition and potential overcoming strategies.

Main Methods:

  • Literature review of current treatment options for KRAS G12C-mutant NSCLC.
  • Analysis of clinical trial data and research on direct KRAS inhibitors.
  • Exploration of resistance pathways and combination therapies.

Main Results:

  • Allelic-specific KRAS inhibitors represent a significant advancement in personalized cancer medicine.
  • Current treatment options include PD-(L)1-based therapies and direct KRAS inhibitors.
  • Understanding resistance mechanisms is crucial for optimizing sequential treatment strategies.

Conclusions:

  • Targeted therapies for KRAS G12C-mutant NSCLC are transforming patient care.
  • Further research into overcoming resistance is essential for improving long-term outcomes.
  • Personalized medicine approaches are increasingly effective for NSCLC patients with specific KRAS alterations.

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