Shanghai Henlius Biotech Inc. has announced the dosing of the first patient in a phase 1b/2 clinical study evaluating HLX43, an anti-PD-L1 antibody-drug conjugate, in combination with either HLX07 (a recombinant anti-EGFR humanised monoclonal antibody) or HANSIZHUANG (serplulimab injection) in patients with advanced or metastatic colorectal cancer in mainland China. The study is designed to assess the safety, tolerability, and efficacy of the combination therapies. The trial includes a safety run-in stage with dose escalation, followed by a dose expansion stage. As of the date of the announcement, no results from the study have been presented.
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