Core Insights - Silexion Therapeutics is pioneering RNA interference (RNAi) therapies targeting KRAS-driven cancers, which are notoriously difficult to treat with traditional methods [2][3] - The lead candidate, SIL204, has shown promising preclinical results in reducing tumor growth and metastasis across various cancer types, including pancreatic, colorectal, and lung cancers [2][5] Technological Platform - Silexion's technology targets KRAS mutations at the genetic level, differing from conventional small molecule inhibitors, aiming to prevent oncogenic protein production [4] - SIL204 can target multiple KRAS mutations, which are prevalent in various cancers: approximately 90% in pancreatic cancers, 45% in colorectal cancers, and 35% in non-squamous non-small-cell lung cancers [5] Preclinical Developments - A significant milestone was reached in March 2025 with the completion of studies using orthotopic pancreatic cancer models, providing a more accurate representation of cancer progression [6] - SIL204 demonstrated notable efficacy in reducing tumor cell numbers across different pancreatic cancer cell lines, indicating a nuanced understanding of therapeutic interventions [7] Strategic Approach - Silexion focuses on two primary drug delivery methods: systemic delivery for metastatic progression and intratumoral delivery for primary tumors, collaborating with Catalent to enhance formulation and manufacturing processes [8] - The company's research extends beyond pancreatic cancer, exploring applications in colorectal and lung cancers, reflecting a comprehensive understanding of KRAS-driven malignancies [9] The Road Ahead - Silexion's development roadmap includes continued preclinical studies, toxicology and pharmacodynamic investigations, potential regulatory submissions, and plans to initiate human clinical trials in the first half of 2026 [10] - The scientific community is closely monitoring Silexion's progress, as successful outcomes could significantly impact cancer therapeutics and precision oncology [11]
PESG Research Report: A Review of Silexion Therapeutics' Innovative KRAS-Driven Cancer Treatment