Researchers from Biontech SE and Genmab BV presented the discovery and preclinical evaluation of a novel Duobody-EpCAMx4-1BB (BNT314/GEN1059), a novel Fc-inert immunomodulatory bispecific antibody (bsAb) designed to boost antitumor immune responses through EpCAM-dependent 4-1BB agonistic activity.