RET-mutant and patient-derived RET-fusion (NSCLC, CRC) xenografts in mice
“Pralsetinib exhibited in vivo anti-tumor activity in mice bearing subcutaneously (SC)-implanted tumor xenografts bearing RET activating mutations, including the cabozantinib resistant mutation V804L, or patient-derived NSCLC and colorectal cancer (CRC) xenografts expressing KIF5B-RET and CCDC6-RET, respectively.”
✓ VerifiedFDA multi-discipline review, p. 41Source ↗
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: in vitro and in vivo proof of concept well established
“In vitro and in vivo proof of concept is considered well established.”