Clinically available KRAS inhibitors mainly target G12C, which is rare in PDAC and often acquires resistance. Oncogenic KRAS inactivates RB1 via CDK4/6, while RB1 mutation is rare. Thus, CDK4/6 inhibition offers an indirect strategy to counter KRAS-driven malignancy without direct KRAS targeting.
This article was originally published on MedicalXpress.com

