Adagene Inc., a clinical stage biotechnology 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 IgG4 monoclonal antibodies (mAbs) that is in Phase 1b/2 clinical trials for the treatment advanced solid tumors and non-Hodgkin's lymphoma; ADG126, a masked 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 1b/2 clinical development for the treatment of advanced/metastatic solid tumors. It also offers ADG104, an anti-PD-L1 mAb that is in Phase 2 clinical development; ADG125, a novel anti-CSF-1R mAb, which is in Phase I clinical trial; ADG206, a masked, Fc engineered anti-CD137 agonistic POWERbody; ADG153, a masked anti-CD47 IgG1 SAFEbody, which is in preclinical for the treatment hematologic and solid tumors; ADG138, novel HER2xCD3 POWERbody, which is in preclinical for the treatment HER2-expressing solid tumors; and ADG152, a v POWERbody, which is in preclinical stage for the treatment off-tumor toxicities, as well as develops anti-CD28 bispecific POWERbody TCEs. The company was incorporated in 2011 and is headquartered in Suzhou, China.