parsatuzumab parsatuzumab parsatuzumab (inn) is a humanized monoclonal antibody designed for the treatment of cancer. it acts as an immunomodulator and binds to egfl7. parsatuzumabmonoclonal antibodytypewhole antibodysourcehumanized (from mouse)targetegfl7clinical dataatc codenoneidentifierscas number1312797-14-0chemspidernoneunii435m4hcp2mchemical and physical dataformulac6560h10130n1758o2046s46molar mass147836.22 g·mol−1 this drug was developed by genentech/roche.