HUTCHMED Highlights Pipeline and Business Progress at R&D Updates Event

Core Insights - HUTCHMED has introduced its innovative Antibody-Targeted Therapy Conjugate (ATTC) platform, which aims to redefine precision oncology through a dual-mechanism of action [1][2] - The lead candidate HMPL-A251, a selective PI3K/PIKK inhibitor, has shown promising preclinical efficacy and safety, positioning HUTCHMED's late-stage pipeline for further development [1][4] - The company is making significant progress in global and China trials, including studies for fruquintinib, surufatinib, and fanregratinib, enhancing its late-stage pipeline [1][9] ATTC Platform and Lead Candidate - The ATTC platform integrates monoclonal antibodies with small-molecule inhibitor payloads, providing synergistic anti-tumor activity and improved safety profiles compared to traditional antibody-drug conjugates [2][3] - HMPL-A251 is designed to target the PAM signaling pathway, which is often associated with poor prognosis in various cancers, and aims to enhance targeted delivery while minimizing systemic exposure [3][4] - Preclinical data indicates that HMPL-A251 exhibits strong anti-tumor activity, particularly in HER2-positive tumors, and shows potential for improved efficacy compared to existing therapies like trastuzumab deruxtecan [4][5] Clinical Development Plans - HUTCHMED plans to advance HMPL-A251 into clinical development in late 2025, focusing on various cancer types with different HER2 and PAM alteration statuses [5] - The company aims to explore a broader range of antibody selections and payload options to enhance treatment outcomes and overcome resistance [6] Late-stage Program Updates - The company reported significant progress in late-stage programs, including the FRUSICA-2 study for fruquintinib, which demonstrated a progression-free survival of 22.2 months compared to 6.9 months with standard treatments [9] - Recruitment for the SANOVO study in first-line EGFR-mutated non-small cell lung cancer has been completed, with further studies for surufatinib and fanregratinib also advancing [9]