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CRBN-based pan-KRAS degrader

Development stage
Preclinical
Lead developer
University of Michigan
Modality
PROTACs (E3 ligase recruitment) → Targeted Protein Degraders (TPDs) → Small Molecules, Bivalent/Multivalent Binders → Multivalent & Scaffold-Based Small Molecules → Small Molecules
Administration
Intraperitoneal, Subcutaneous, Intravenous, Oral, Intramuscular, Transdermal
01

Overview

A CRBN-based pan-KRAS proteolysis-targeting chimera (PROTAC) developed by researchers at the University of Michigan, led by Shaomeng Wang. This therapeutic agent is designed to induce the degradation of multiple oncogenic KRAS mutants, including G12D, G12V, and G12C, by recruiting the Cereblon (CRBN) E3 ubiquitin ligase. By eliminating the KRAS protein rather than merely inhibiting its activity, this degrader aims to overcome the rapid onset of resistance typically seen with traditional KRAS inhibitors and disrupt the protein's scaffolding functions. Preclinical data presented at AACR 2026 demonstrated sub-nanomolar potency in vitro and significant tumor regression (over 90%) in xenograft models of colorectal and pancreatic cancers with once-weekly dosing.

Other names
pan-KRAS PROTACCRBN-based KRAS degrader
02

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