BAY 1905254 (formerly CGEN-15001T program)/ILDR2 (partnered)

Status: Partnered

ILDR2 (internal designation CGEN-15001T) is a novel B7/CD28-like immune checkpoint target candidate discovered by Compugen. Studies testing the immune function of ILDR2, demonstrated inhibitory effects on T cells consistent with it being an immune checkpoint ligand.  Additional expression and functional studies suggest that ILDR2 acts as an inhibitor of the priming step of T cell activation, thereby muting T cell response to cancer.

In August 2013, Compugen signed a research and discovery collaboration and license agreement with Bayer HealthCare for the development and commercialization of antibody-based therapeutics for cancer immunotherapy against ILDR2. After achieving all preclinical stage milestones, this program was transferred to Bayer for further development.

In April 2018, Bayer disclosed BAY 1905254, a novel immune checkpoint inhibitor for cancer immunotherapy targeting ILDR2. BAY 1905254 is a human/mouse cross-reactive antibody blocking the immunosuppressive activity of ILDR2. BAY 1905254 has exhibited anti-tumor activity as a monotherapy in various mouse models, and was also shown to have additive anti-tumor effects in combination with other cancer therapy approaches in those models, indicating the possibility for multiple combination uses in cancer immunotherapy.

To date, Compugen received from Bayer over $25 million in upfront and preclinical milestone payments. It is entitled to over $250 million in potential milestone payments and mid-to-high single digit royalties on global net sales.

Clinical Development

BAY 1905254 is currently being evaluated in a Phase 1 study in patients with advanced solid tumors. The study an open-label, dose escalation study designed to evaluate the safety and tolerability of BAY 1905254. The Phase 1 study is currently enrolling patients in the United States. For additional information on the Phase 1 study click here.

 

 

 

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