Zhi Tong Cai Jing·2026-02-08 22:25Core Viewpoint - China Biologic Products (01177) announced that its wholly-owned subsidiary, Lixin Pharmaceutical Technology (Shanghai) Co., Ltd., has initiated a Phase III registration clinical trial for its self-developed innovative drug, LM-302, targeting CLDN18.2-positive advanced gastric and gastroesophageal junction adenocarcinoma [1][2]. Group 1: Clinical Development - LM-302 is the first CLDN18.2 antibody-drug conjugate (ADC) to complete patient enrollment in a Phase III clinical trial globally [1]. - The drug specifically targets CLDN18.2-positive tumor cells, delivering a small molecule toxin to achieve precise tumor cell destruction [1]. - The ongoing Phase III trial focuses on patients with locally advanced or metastatic gastric and gastroesophageal junction adenocarcinoma who have received three or more prior lines of therapy [2]. Group 2: Clinical Results - At the 2025 American Society of Clinical Oncology (ASCO) annual meeting, Lixin Pharmaceutical reported that in 41 evaluable patients, the objective response rate (ORR) was 65.9% and the disease control rate (DCR) was 85.4% [2]. - Among 32 patients with CLDN18.2 expression ≥25%, the ORR reached 71.9% and the DCR was 96.9% [2]. - The study also indicated that for patients with PD-L1 CPS <1, the ORR was 63.3%, while for those with CPS ≥1, the ORR was 77.8% [2]. Group 3: Future Plans and Regulatory Status - In addition to the ongoing Phase III study, LM-302 is set to undergo another Phase III registration trial in China, focusing on first-line treatment for CLDN18.2-positive locally advanced or metastatic gastric and gastroesophageal junction adenocarcinoma [2]. - LM-302 has been included in the breakthrough therapy designation by the China National Medical Products Administration (NMPA) and has received orphan drug designation (ODD) from the U.S. Food and Drug Administration (FDA) [2]. Group 4: Company Strategy - Leveraging strong resources and industrial capabilities, Lixin Pharmaceutical is accelerating the clinical translation and commercialization of more innovative drugs, aiming to provide accessible treatment options for global cancer patients [3].