Werewolf Therapeutics Presents New Preclinical Data Further Characterizing its IL-10 INDUKINE Molecule, WTX-921, for the Treatment of Inflammatory Bowel Disease (IBD) at AAI Annual Meeting

Core Insights - Werewolf Therapeutics, Inc. announced the efficacy of its IL-10 INDUKINE molecule, WTX-921, in reducing tissue damage and inflammatory cytokine production in a mouse colitis model [1][3] - The findings provide a deeper understanding of WTX-921's anti-inflammatory effects on the immune landscape in the inflamed colon [1] Company Overview - Werewolf Therapeutics is focused on developing conditionally activated therapeutics aimed at stimulating the immune system for cancer and immune-mediated conditions [1][7] - The company utilizes its proprietary PREDATOR platform to design molecules that activate selectively in the tumor microenvironment, addressing limitations of conventional therapies [7] Product Development - WTX-921 is engineered to selectively deliver IL-10 to inflamed tissues, minimizing systemic toxicity while providing therapeutic exposure [6] - The molecule has shown potential in blocking disease-driving effector molecules and cytokines, impacting both innate and adaptive immune responses [6] Clinical Findings - The data presented at the AAI Annual Meeting indicate that WTX-921 effectively masks IL-10, preventing off-tissue effects and demonstrating efficacy in preventing weight loss and reducing Disease Activity Index (DAI) scores in a colitis model over four weeks [4][3] - The treatment resulted in decreased immune cell infiltration and reduced RNA levels of inflammatory cytokines in treated animals [4] Market Context - The CDC estimates that 7 million people worldwide had Inflammatory Bowel Disease (IBD) in 2024, highlighting the need for improved treatment options [3]