Zhi Tong Cai Jing·2025-09-23 09:01Core Viewpoint - China Biologic Products (01177) announced that its wholly-owned subsidiary, Lixin Pharmaceutical Technology (Shanghai) Co., Ltd., has successfully completed the first patient enrollment in the Phase I clinical trial of its self-developed innovative drug LM-2417, a NaPi2b/4-1BB bispecific antibody, marking the entry of this innovative therapy into clinical development [1][2] Group 1 - LM-2417 is developed based on Lixin Pharmaceutical's self-researched conditionally activated 4-1BB platform, specifically binding to NaPi2b on tumor cells and 4-1BB on immune cells, enhancing anti-tumor effects through precise activation of immune cells in the tumor microenvironment [2] - NaPi2b is encoded by the SLC34A2 gene and is highly expressed in various malignancies, including high-grade serous ovarian cancer, fallopian tube cancer, primary peritoneal cancer, thyroid cancer, breast cancer, and non-squamous non-small cell lung cancer, while having limited distribution in normal tissues, making it a promising target for anti-tumor therapy [1][2] - Preclinical data indicate that LM-2417 can induce durable anti-tumor immune memory and shows significant synergistic effects when combined with other immunotherapy drugs, positioning it as a potential First-in-Class immunotherapy [2] Group 2 - The clinical study is an open-label, dose-escalation, and dose-expansion Phase I/II trial evaluating the safety, tolerability, pharmacokinetics, and preliminary efficacy of LM-2417 as a monotherapy or in combination with other anti-tumor drugs in patients with advanced malignant solid tumors [2] - The company aims to rapidly advance the clinical research of this project, looking forward to providing new options for immunotherapy clinical use for patients [2]