Status: Preclinical development (CMC/IND enabling activities)

COM902 is a therapeutic immuno-oncology antibody targeting TIGIT.

COM902 is being developed as an integral component of the COM701 program, to provide the company with an internally-developed antibody to facilitate the combination strategy for COM701 – to test COM701 and COM902 as a dual combination, as well as in triple combination with PD-1 inhibitors. Based on the pathway association of PVRIG with TIGIT, it was explored whether combined inhibition of both PVRIG and TIGIT would lead to increased activation of T cells beyond inhibition of each separately.

Expression studies show that PVRIG and TIGIT, and their respective ligands, are expressed in a broad variety of tumor types, such as breast, endometrial, ovarian, lung, kidney, and head & neck cancers. These results indicate that within the same tumor indications there are variations with respect to the dominance of the two pathways, and that in patient populations where the two pathways are operative, the blockade of both TIGIT and PVRIG may be required to sufficiently stimulate an anti-tumor immune response.

TIGIT was discovered by Compugen utilizing its computational predictive discovery infrastructure and experimentally validated as an immune checkpoint. The findings were published by Compugen in the October 2009 issue of the Proceedings of National Academy of Sciences (PNAS).

IND-enabling studies are currently undergoing for this program and an IND application is expected to be submitted in 2019.


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