Expanding the Reach of Precision Oncology by Drugging All KRAS Mutants

Marco H Hofmann1, Daniel Gerlach1, Sandra Misale2

  • 1Discovery Research, Boehringer Ingelheim RCV GmbH & Co KG, Vienna, Austria.

Cancer Discovery
|January 20, 2022
PubMed

Insights

Targeting KRAS mutations in cancer is advancing rapidly. New allele-specific and pan-KRAS inhibitors offer hope for broader patient populations beyond KRASG12C-mutated cancers.

Area of Science:

  • Oncology
  • Molecular Biology
  • Drug Discovery

Background:

  • KRAS is the most frequently mutated oncogene, found in about 14% of all cancers.
  • KRASG12C inhibitors have transformed treatment for specific non-small cell lung and colorectal cancers.
  • Targeting KRAS mutations is crucial for developing new cancer therapies.

Purpose of the Study:

  • To review current allele-specific and pan-KRAS inhibition strategies.
  • To discuss the potential utility of these novel therapeutic approaches.
  • To highlight the need for a broader arsenal of KRAS-targeting drugs.

Main Methods:

  • Review of actively pursued allele-specific KRAS inhibition strategies.
  • Review of actively pursued pan-KRAS inhibition strategies.
  • Analysis of potential patient populations for these therapies.

Main Results:

  • Mutant-selective KRASG12C inhibitors currently target a subset of KRAS-driven cancers.
  • Pan-KRAS drugs show potential for treating various KRAS alterations, including KRASG12D, KRASG12V, and resistance to KRASG12C inhibitors.
  • Future KRAS medicines are expected to include both mutant-selective and pan-KRAS therapeutics.

Conclusions:

  • Developing a comprehensive set of KRAS drugs is essential for effectively treating KRAS-driven cancers.
  • Both allele-specific and pan-KRAS strategies are vital for addressing diverse KRAS alterations.
  • These advancements promise to expand treatment options for a wider range of cancer patients.

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