1822383-65-2

PF-06647263 is an ADC targeting EFNA4, consisting of EFNA4 Antibody (HY-P991109), ADC toxin Calicheamicin (HY-19609) and a linker. PF-06647263 exhibits anti-tumor activity and induces significant tumor regression in TNBC xenografts[1][2].

[1] Garrido-Laguna I, et al. First-in-human, phase I study of PF-06647263, an anti-EFNA4 calicheamicin antibody-drug conjugate, in patients with advanced solid tumors. Int J Cancer. 2019 Oct 1;145(7):1798-1808. DOI:10.1002/ijc.32154
[2] Damelin M, et al. Anti-EFNA4 Calicheamicin Conjugates Effectively Target Triple-Negative Breast and Ovarian Tumor-Initiating Cells to Result in Sustained Tumor Regressions. Clin Cancer Res. 2015 Sep 15;21(18):4165-73. DOI:10.1158/1078-0432.CCR-15-0695