Human tumor xenografts (breast, prostate, NSCLC, ovarian; HER2 low or high) in mice treated with pertuzumab
“Weekly IV/IP administrations of pertuzumab demonstrated anti-tumour efficacy in various tumour xenografts models based on breast cancer, prostate, non-small cell lung cancer and ovarian cell lines expressing either low or high levels of HER2.”
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 pharmacodynamic data give a clear rationale for combination use in breast cancer
“Based on in vitro and in vivo pharmacodynamic data, there is a clear rationale for the inclusion of pertuzumab in a drug combination regimen in the treatment of breast cancer.”