KRAS Inhibitors (2026): The Complete Guide to Targeted Therapy, Resistance, and the Future of Precision Oncology
Cancer Advisor · Precision Oncology Review ISSN (Online) pending • Volume 2, Issue 9 • Narrative Review • Originally published: April 2026 • Revised and updated: October 2026 DOI: pending • Cite as: Cancer Advisor Editorial Team. KRAS and RAS(ON) Inhibitors in 2026: Approved Therapies, Resistance Mechanisms, and the Pan-RAS Paradigm Shift. Cancer Advisor Precision Oncol Rev. 2026. Updated October 2026. Cancer Advisor Editorial Team | Medically reviewed and updated | About Us Abstract Background: KRAS, once considered an "undruggable" oncoprotein, is now targetable across multiple mutation subtypes and represents one of the most rapidly evolving areas of precision oncology, spanning non-small cell lung cancer (NSCLC), colorectal cancer (CRC), and pancreatic ductal adenocarcinoma (PDAC). Objective: To synthesize the current (September 2026) regulatory status, pivotal trial evidence, resistance mecha...