BI-1607 is a humanized monoclonal antibody targeting CD32b/FcγRIIB. BI-1607 has an antagonistic function capable of blocking the inhibitory function of FcγRIIB on immune effector cells. BI-1607 has a significant cytolytic activity against malignant B cells and antitumor activity against HER2-positive solid tumors including advanced gastric cancer (GC) with combination with Trastuzumab.
