Core Insights - IO Biotech is advancing novel immune-modulatory therapeutic cancer vaccines, with a focus on reshaping the tumor microenvironment and enhancing T cell activation [1][2][3] Company Overview - IO Biotech is a clinical-stage biopharmaceutical company based in Copenhagen, Denmark, with a US headquarters in New York, specializing in off-the-shelf therapeutic cancer vaccines [3] - The company is developing its lead investigational cancer vaccine candidate, Cylembio® (IO102-IO103), which has received Breakthrough Therapy Designation from the FDA for advanced melanoma treatment [3] Scientific Contributions - Dr. Mads Hald Andersen, a co-founder of IO Biotech, presented at the 2025 AACR Annual Meeting, discussing advancements in cancer vaccine research and the dual mechanism of action of IO102-IO103 [1][2] - The vaccine targets both tumor cells and immune-suppressive cells, potentially reprogramming the tumor microenvironment to be more immune-permissive [2] Research and Development - The educational session at AACR highlighted key developments in RNA-based and immune-modulatory vaccines, showcasing the latest innovations in cancer immunotherapy [1][2] - IO Biotech's T-win® platform is designed to activate T cells against both tumor and immune-suppressive cells, representing a novel approach in cancer vaccine development [3]

Core Insights - IO Biotech presented new preclinical data for its dual-antigen and TGF-β-directed vaccines at the AACR Annual Meeting 2025, highlighting their potential to reshape the tumor microenvironment and enhance anti-tumor immunity [1][2] Company Overview - IO Biotech is a clinical-stage biopharmaceutical company focused on developing immune-modulatory, off-the-shelf therapeutic cancer vaccines using its T-win® platform, which aims to activate T cells against both tumor cells and immune-suppressive cells [4] - The company is advancing its lead investigational cancer vaccine candidate, Cylembio® (IO102-IO103), which has received Breakthrough Therapy Designation from the FDA for treating advanced melanoma in combination with Merck's KEYTRUDA® [4] Vaccine Candidates - IO102-IO103, a dual-antigen vaccine targeting IDO1+ and PD-L1+ cells, demonstrated strong T-cell responses and modulated the tumor microenvironment in mouse models, indicating a potentially synergistic mechanism compared to conventional PD-1 or PD-L1 inhibitors [7] - IO170, targeting TGF-β, showed significant tumor growth inhibition in breast and prostate cancer mouse models, leading to increased infiltration of vaccine-specific T cells and reshaping the tumor microenvironment to favor immune activation [7]