Adagene Inc., a clinical stage biopharmaceutical company, engages in the research, development, and production of monoclonal antibody drugs for cancers. The company's product candidates include ADG106, a human ligand-blocking agonistic anti-CD137 monoclonal antibodies (mAbs) that is in Phase 1b/2 clinical trials for the treatment advanced solid tumors and non-Hodgkin's lymphoma; ADG126, a fully-human anti-CTLA-4 mAb that is in Phase 1 clinical trial for the treatment advanced/metastatic solid tumors; and ADG116, a human ligand-blocking anti-CTLA-4 mAb, which is in Phase I clinical trial for the treatment of advanced metastatic solid tumors.