Core Insights - Silexion Therapeutics has confirmed the efficacy of SIL204 as a pan-KRAS inhibitor, demonstrating high inhibition rates across various KRAS mutations in human cancer cell lines [1][2][3] - The company has expanded its therapeutic reach to include gastric cancer, with SIL204 showing activity against multiple cancer types, including pancreatic and colorectal cancers [1][5][6] Summary by Sections Company Overview - Silexion Therapeutics is a clinical-stage biotechnology company focused on developing RNA interference therapies for KRAS-driven cancers [7] Therapeutic Development - SIL204 has shown inhibition rates between 83.5% to 99.7% across eleven human cancer cell lines with specific KRAS mutations [1][7] - The drug has demonstrated significant activity against clinically relevant mutations, including G12R, which is present in 17% of pancreatic cancer cases [2][5] Clinical Trials and Future Plans - The company plans to advance SIL204 into Phase 2/3 clinical trials in the first half of 2026, with regulatory submissions expected in Q4 2025 for Israel and Q1 2026 for the European Union [6][8] Key Findings - SIL204's activity encompasses KRAS mutation variants that represent nearly all KRAS-driven cancers, with mutations found in approximately 90% of pancreatic cancers, 45% of colorectal cancers, and 35% of non-small cell lung cancers [5][6] - The highest inhibition reported was 99.7% in NCIH2009 lung cancer cells with a G12A mutation, marking SIL204's strongest activity to date [7]
Silexion Therapeutics Announces Positive New Human Cell Line Data Confirming Pan-KRAS Activity of SIL204, Demonstrating Up to 99.7% Inhibition and First Evidence in Gastric Cancer