Mirati's KRAS drug looks like the early favorite in colon cancer with new data, putting the pressure square on Amgen
With Amgen already providing proof-of-concept for KRAS inhibitors with its sotorasib, Mirati Therapeutics is piecing together a follow-up effort in lung cancer with data it thinks are superior. But in colon cancer, where solo sotorasib has turned in a dud, Mirati may now have a strong case for superiority.
Mirati’s adagrasib, dosed solo or in combination with chemotherapy cetuximab, showed numerically higher response rates than sotorasib solo and as part of a combination study in a similar patient population also revealed this week at #ESMO21. Mirati’s data were presented as part of a cohort update from the Phase II KRYSTAL-1 study testing adagrasib in a range of solid tumors harboring the KRAS-G12C mutation.
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