Coherus Oncology Presents at SITC Clinical Multiomic Biomarker Data for CHS-114, a Highly Selective anti-CCR8 Cytolytic Antibody

Core Insights - Coherus Oncology's CHS-114 shows promising results in selectively depleting CCR8+ Tregs and enhancing immune response in patients with recurrent/metastatic head and neck squamous cell carcinoma (HNSCC) [1][2][3] Clinical Trial Results - The Phase 1b clinical trial of CHS-114 demonstrated a greater than 50% increase in intratumoral CD8 T cells, indicating a shift towards a "hot" tumor microenvironment [1][2] - CHS-114 treatment resulted in a 74% reduction in CCR8+ Treg density and a 73% increase in CD8+ T cell density, showcasing effective immune remodeling [5][6] Safety and Efficacy - The combination of CHS-114 with toripalimab has shown a manageable safety profile and early signs of antitumor activity in HNSCC patients [2][3] - A partial response was observed in a refractory head and neck cancer patient during initial safety testing of the combination therapy [3] Development Strategy - The data supports advancing CHS-114 in combination with toripalimab or other immune activators, aligning with the company's development plan [3][4] - Ongoing enrollment in the dose optimization arm aims to address the FDA's Project Optimus and define a phase 2 dose for CHS-114 [3][7] Company Overview - Coherus Oncology is focused on developing innovative oncology therapies, including the next-generation PD-1 inhibitor LOQTORZI and CHS-114, targeting various cancers [9][10]