Zelgen(SH:688266) Ge Long Hui A P P·2026-01-15 09:33Core Viewpoint - Zai Jian Pharmaceutical has received approval from the National Medical Products Administration for clinical trials of its innovative biopharmaceuticals ZGGS18 and ZG005 in combination with chemotherapy for advanced solid tumors [1][2] Group 1: ZGGS18 - ZGGS18 is a recombinant humanized anti-VEGF/TGF-β bifunctional antibody fusion protein classified as a Class 1 therapeutic biological product, expected to be an innovative treatment for solid tumors [1] - ZGGS18 specifically binds to vascular endothelial growth factor (VEGF) and captures transforming growth factor-β (TGF-β), inhibiting tumor angiogenesis and reducing metastasis, thereby exerting multiple synergistic effects on tumor growth suppression [1] - ZGGS18 can also improve and regulate the tumor microenvironment, enhancing the efficacy of tumor immunotherapy drugs such as anti-PD-1/L1 antibodies and the dual-specific antibody ZG005 currently undergoing clinical research [1] Group 2: ZG005 - ZG005 is a recombinant humanized dual-specific antibody targeting PD-1 and TIGIT, classified as a Class 1 innovative tumor immunotherapy biological product, with potential applications in treating various solid tumors [2] - ZG005 is one of the first drugs globally to enter clinical research targeting the same mechanism, with no similar mechanism drugs approved for market worldwide [2] - ZG005 effectively blocks both PD-1 and TIGIT signaling pathways, promoting T cell activation and proliferation, and enhancing the immune system's ability to kill tumor cells through simultaneous blockade of both targets [2]