First Subject Dosed for Ph 1b/2 Trial of HLX43 + Serplulimab
“First subject has been dosed for a phase 1b/2 clinical trial of HLX43 for Injection, the novel Programmed Death-Ligand 1 (PD-L1)-targeting antibody-drug conjugate (ADC) that developed by the company based on the collaboration with MediLink Therapeutics, in combination with the Henlius’ independently developed innovative anti-PD-1 monoclonal antibody (mAb) HANSIZHUANG (serplulimab injection), for the treatment of patients with advanced/metastatic solid tumours in Chinese mainland. Recently, the company has also completed the first subject dosing for a phase 2 clinical trial of HLX43 for monotherapy or combination therapy to treat patients with advanced/metastatic solid tumours. At present, no PD-L1 targeting ADC has been approved for marketing globally, and only SGN-PDL1V from Pfizer is about to initiate a phase 3 clinical trial. HLX43 is the world’s second and China’s first PD-L1-targeting ADC to progress to clinical research.”
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