858 A bispecific antibody targeting CD40 and EpCAM induces superior anti-tumor effects compared to the combination of the monospecific antibodies by Peter Ellmark, Karin Hägerbrand, Doreen Werchau, Anna Rosén, Karin Barchan, Adnan Deronic, Mattias Levin, Laura Von Schantz, Laura Varas, Anna Säll, Lill Ljug, Mia Thageson, Christina Sakellariou