WALTHAM, Mass., Oct. 03, 2025 (GLOBE NEWSWIRE) -- Xilio Therapeutics, Inc. (Nasdaq: XLO), a clinical-stage biotechnology company discovering and developing tumor-activated immuno-oncology therapies for people living with cancer, today announced multiple upcoming poster presentations at the Society for Immunotherapy of Cancer (SITC) 40th Annual Meeting, taking place from November 6-9, 2025 at the Gaylord National Convention Center in National Harbor, Maryland. Xilio plans to present clinical data for vilasto ...

Core Insights - Xilio Therapeutics announced updated Phase 2 data for vilastobart, showing deep and durable responses with a differentiated safety profile for anti-CTLA-4 combination therapy [1][5] - The company is on track to nominate its first development candidates for masked T cell engager programs in the second half of 2025 [1][12] - As of June 30, 2025, Xilio reported $121.6 million in cash and cash equivalents, providing a cash runway through the end of the third quarter of 2026 [1][13] Pipeline and Business Updates - Vilastobart is a tumor-activated, Fc-enhanced anti-CTLA-4 monoclonal antibody currently evaluated in combination with atezolizumab for advanced solid tumors and metastatic microsatellite stable colorectal cancer [3][14] - XTX301, a tumor-activated IL-12, is designed to stimulate anti-tumor immunity and is being evaluated as a monotherapy in a Phase 1 clinical trial [4][15] - Xilio's masked T cell engager programs include bispecific and tri-specific molecules designed to enhance T cell activation and are advancing through IND-enabling studies [7][9] Financial Results - Collaboration and license revenue for the quarter ended June 30, 2025, was $8.1 million, up from $2.4 million in the same quarter of 2024 [17] - Research and development expenses increased to $15.3 million in Q2 2025 from $11.2 million in Q2 2024, driven by clinical development activities [17] - The net loss for the quarter ended June 30, 2025, was $15.8 million, compared to a net loss of $13.9 million for the same period in 2024 [17][23]