Patritumab (Human Anti-ERBB3 Recombinant Antibody) is a neutralizing monoclonal antibody to ERBB3. Patritumab shows a synergy with Individual Patritumab treatment had little effect on the growth of tumors formed by either cell line.
Combination of Cetuximab and Patritumab induced substantial regression of DiFi-HRG4 xenografts.
[1]. Kawakami H, et al. The anti-HER3 antibody patritumab abrogates cetuximab resistance mediated by heregulin in colorectal cancer cells. Oncotarget. 2014 Dec 15;5(23):11847-56.