Mirati Therapeutics Inc.’s update on the phase I/II Krystal trial of the KRAS-G12C-targeting adagrasib (MRTX-849) was arguably the most eagerly awaited news, and certainly the most eagerly awaited KRAS-targeting news, to come out of the 2020 EORTC-NCI-AACR (ENA) Molecular Targets meeting. KRAS is one of the most frequently mutated oncogenes across a wide swath of solid tumors, and has been one of the toughest nuts to crack as far as druggability is concerned.