Xencor, Inc., a clinical stage biopharmaceutical company, focuses on the discovery and development of engineered monoclonal antibody and other protein therapeutics to treat severe and life threatening diseases with unmet medical needs. It develops its antibody product candidates to treat cancer and autoimmune diseases. The company's product candidates include XmAb5871, an immune inhibitor, which has been completed Phase II clinical trial for the treatment of autoimmune diseases; AIMab7195, which is in development and commercialization stage. Its product candidates also comprise XmAb14045, a bispecific antibody which is in Phase I clinical trial for the treatment of acute myeloid leukemia; plamotamab (XmAb13676) that is in Phase I clinical trial to treat B-cell malignancies; and XmAb18087, which is in Phase I clinical trial for neuroendocrine tumors and gastrointestinal stromal tumors. In addition, the company offers Tafasitamab, an antibody drug candidate for the treatment of patients