Mouse model of splenomegaly from injected CSF1R signaling-dependent cells: inhibited 79%
“In an in vivo model in which injection of CSFR1 signaling-dependent cells results in splenomegaly, pexidartinib inhibited splenomegaly by 79%, compared to the vehicle control.”
✓ VerifiedFDA multi-discipline review, p. 39Source ↗
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: no outstanding pharmacology/toxicology issues preventing approval for TGCT
“There are no outstanding issues from a pharmacology/toxicology perspective that would prevent the approval of TURALIO for the treatment of adult patients with symptomatic tenosynovial giant cell tumors (TGCT) associated with severe morbidity or functional limitations which is not amenable to improvement with surgery.”
✓ VerifiedFDA multi-discipline review, p. 42Source ↗