“In vivo, selumetinib reduced proximal nerve root sizes as well as the number and size of tumors in a Nf1fl/fl;DhhCre, a mouse model which allows for targeted knockout of NF1 and recapitulates the development of endogenous neurofibromas.”
✓ VerifiedFDA multi-discipline review, p. 42Source ↗
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: studies support the mechanism of action and proof-of-concept for the pediatric indication
“These studies support the proposed mechanism of action of selumetinib and the proof-of-concept for the proposed pediatric indication.”
✓ VerifiedFDA multi-discipline review, p. 42Source ↗