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Silexion Therapeutics Announces New Preclinical Data Showing Up to 97% Inhibition of Cancer Cell Growth, Including New Evidence Against New Previously Untested KRAS Mutation

Core Insights - Silexion Therapeutics Corp. announced new preclinical data showing unprecedented inhibition rates of up to 97% in pancreatic cancer cells and nearly 90% in colorectal cancer cells, highlighting SIL204's potential as a pan-KRAS therapeutic [1][6][7] - The findings include the first evidence of SIL204's efficacy against the KRAS Q61H mutation, which was previously untested, indicating a significant advancement in the company's research [1][2][8] - Silexion is preparing to initiate a Phase 2/3 clinical trial in Q2 2026 to further investigate SIL204 for treating KRAS-driven solid tumors [1][8] Preclinical Study Findings - The comprehensive CTG analysis demonstrated significantly higher inhibition rates, with SIL204 achieving up to 94% inhibition in pancreatic cancer cells with KRAS G12D mutations and comparable 97% inhibition in cells with KRAS Q61H mutations [2][6] - SIL204 also showed an inhibition rate of nearly 90% in colorectal cancer cells with KRAS G12D mutations, extending its effectiveness beyond pancreatic cancer [6][7] - The results provide compelling evidence of SIL204's potent activity against multiple KRAS mutations across different cancer types, including pancreatic, colorectal, and lung cancers [6][8] Company Overview - Silexion Therapeutics is a clinical-stage biotechnology company focused on developing RNA interference therapies for KRAS-driven cancers, which are among the most common oncogenic drivers in human cancers [9] - The company's first-generation product, LODER™, has shown promising results in a Phase 2 trial for non-resectable pancreatic cancer, while SIL204 is designed to target a broader range of KRAS mutations [9]