中国创新药企集中亮相美国临床肿瘤学会，聚焦双抗、ADC研发进展

Group 1 - The research achievements of Chinese innovative pharmaceutical companies are increasingly attracting the attention of multinational pharmaceutical giants, with approximately 31% of innovative drug candidates introduced by large multinational companies in 2024 coming from China, compared to zero in 2019 [1][3] - At the American Society of Clinical Oncology (ASCO) annual meeting in Chicago, over 70 studies from Chinese innovative pharmaceutical companies were selected for oral presentations, with a focus on bispecific antibodies and ADC drug research [1] - Kangfang Biopharma and its partner Summit Therapeutics released the first global Phase 3 clinical trial results for the PD-1/VEGF bispecific antibody ivonescimab, showing a 48% reduction in the risk of disease progression or death for previously treated patients with EGFR-mutant non-squamous non-small cell lung cancer (NSCLC) [1] Group 2 - IBI363, a globally innovative PD-1/IL-2α-bias bispecific fusion protein developed by Innovent Biologics, showed clinical data for treating immune-treated advanced melanoma at ASCO, along with a comparison study against Merck's Keytruda [2] - Kelun-Biotech presented six clinical research results at ASCO, including the ADC drug sac-TMT for previously treated advanced EGFR-mutant non-small cell lung cancer patients [2] - In the previous month, Zai Lab announced that the FDA granted fast track designation for its potential ADC drug ZL-1310 for the treatment of extensive-stage small cell lung cancer (ES-SCLC), with updates expected at ASCO [2] Group 3 - I-Mab presented preliminary results of its ADC drug DB-1310 for treating advanced solid tumors at ASCO, focusing on safety, tolerability, pharmacokinetics, and preliminary anti-tumor activity [3]