Human tumor cell-line xenografts with FGFR1, 2 and 3 alterations (bladder, lung, GI, liver) in immune-deficient rodents
“In vivo, erdafitinib demonstrated antitumor activity in immune-deficient rodents bearing tumors derived from multiple human cancer cell lines with FGFR1, 2 and 3 alterations (fusion or amplification) including the bladder, lung, GI and liver.”
✓ VerifiedFDA multi-discipline review, p. 35Source ↗
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
EMA: activity in bladder cancer models at clinically relevant concentrations supports the indication
“Pharmacological activity of erdafitinib in bladder cancer models was observed at clinically relevant concentrations supporting the proposed indication.”