PharmAbcine Inc. announced that the company has entered into a research collaboration agreement with LegoChem Biosciences Inc. Under the agreement, PharmAbcine will provide PMC-403, a preclinical pipeline, to LCB so LCB can conduct a combination research using PMC-403 and LCB's proprietary ADC. This preclinical study will allow both parties to evaluate the efficacy of the combination therapy in solid tumors. PMC-403, a Tie2-activating antibody, is a next generation therapeutic antibody that regulates the formation of functional blood vessels.

It is expected to induce normalization of leaky blood vessels formed around tumor mass in a ligand-independent manner. It has demonstrated its anti-tumor effect in a mouse model for colon cancer, corroborated by the improvement in immune cell infiltration and delivery of anti-cancer agents to a tumor site when administered as a single agent or as a combination therapy regimen.