KRAS G12X PDAC cell-line xenografts in mice (mean regressions 53%–93% at 25 mg/kg daily)
“In vivo cell-line derived xenograft (CDX) mouse models using mutant KRAS G12X pancreatic ductal adenocarcinoma (PDAC) cell lines demonstrated tumor regression with 25 mg/kg daraxonrasib administered daily via oral route of administration with mean tumor regressions of 53%–93%.”
✓ VerifiedFDA multi-discipline review, p. 32Source ↗
Why that model
Not stated in public reviews
Not reported in the public reviews. Reviewers summarise selectively, so this usually means it wasn't discussed publicly, not that it wasn't studied.
Reviewer's view of the efficacy data
FDA generally agreed with the applicant's pharmacology position
“The FDA generally agrees with the Applicant’s position.”
✓ VerifiedFDA multi-discipline review, p. 41Source ↗