On September 20, 2018 Compugen Ltd. (Nasdaq: CGEN), a clinical-stage cancer immunotherapy company and leader in predictive target discovery, reported that it was informed that Bayer AG dosed the first patient in the Phase 1 clinical trial of BAY 1905254, a first-in-class immuno-oncology therapeutic antibody targeting the ILDR2 protein, in patients with advanced solid tumors (Press release, Compugen, SEP 20, 2018, View Source [SID1234529531]). Under the terms of the collaboration and license agreement, Compugen is entitled to a milestone payment of $7.8 million at first patient dosing. ILDR2 is a new immune checkpoint protein identified by Compugen using its predictive target discovery platform.
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"ILDR2 was one of the first immune checkpoint targets discovered through our discovery platforms and the first to enter into a R&D collaboration and license agreement with a pharma partner," stated Anat Cohen-Dayag, PhD, President and CEO of Compugen. "Bayer has been an outstanding partner and we greatly appreciate their excellent R&D team and commitment to advancing this program to the clinic."
"BAY 1905254 and our internally-developed COM701 are the first drug candidates to enter Phase 1 trials addressing new drug targets discovered computationally by Compugen. This represents a breakthrough achievement for Compugen and proof-of-concept of the power of our computational discovery capabilities. We hope that each of these drug candidates will become a life changing treatment option for patients unresponsive to existing cancer immunotherapies," Dr. Cohen-Dayag added.
About ILDR2 and BAY 1905254
ILDR2 is a novel B7/CD28-like immune checkpoint target discovered computationally by Compugen. Preclinical studies demonstrated inhibitory effects of ILDR2 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.
BAY 1905254 is a fully human antibody that blocks the immunosuppressive activity of ILDR2. BAY 1905254 exhibits anti-tumor activity as a monotherapy in various mouse models, and also demonstrates additive anti-tumor effects in combination with other cancer therapy approaches in those models, indicating the possibility for multiple combination uses in cancer immunotherapy.