Core Insights - The company will present preclinical data on its Pan-KRAS inhibitor JAB-23E73 at the 2025 AACR-NCI-EORTC conference in Boston from October 22 to October 26, 2025 [1] - JAB-23E73 is characterized as a highly potent and orally bioavailable inhibitor with strong selectivity for KRAS, avoiding inhibition of HRAS and NRAS [1][2] Company Developments - JAB-23E73 has demonstrated exceptional antitumor activity across various cancer types with different KRAS driver mutations or amplifications [2] - In mouse tumor models driven by KRAS, JAB-23E73 effectively induces tumor regression without significant weight changes, indicating good tolerability and a wide therapeutic window [2] - The drug exhibits favorable pharmacokinetic properties for oral administration, with its effect on tumor p-ERK inhibition regulated by plasma concentration [2] - Phase I clinical trials for JAB-23E73 targeting advanced solid tumors with KRAS mutations are currently underway in China and the United States (NCT06959615, NCT06973564) [2]
加科思-B(01167)在2025年AACR-NCI-EORTC国际分子靶点与癌症治疗学会议上展示 Pan-KRAS抑制剂JAB-23E73的临床前数据