PD-L1/IL-12 bispecific antibody YH010

YH010 is a potentially first-in-class fully human PD-L1/IL-12 bispecific antibody for the treatment of solid tumors. YH010 simultaneously activates the IL-12 signaling pathway while inhibiting PD-L1 binding to PD-1. YH010 also has the potential to further enhance the specific killing activity of T cells by tethering IL-12R positive T cells with PD-L1 positive tumor cells.

The results of in vivo experiments showed that the safety of YH010 depends on the targeting and binding affinity of the PD-L1 antibody. Lack of binding ability of the PD-L1 antibody will cause a significant weight loss, showing significant side effects. In a humanized PD-L1 MC38 colorectal syngeneic model, the YH010 bispecific antibody demonstrated stronger anti-tumor responses than an anti-PD-L1 antibody.

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