XOMA Corporation, a biotech company, discovers and develops therapeutic candidates in the United States, Europe, and the Asia Pacific. The company has a pipeline of monoclonal antibodies and technologies to license to pharmaceutical and biotechnology companies to further their clinical development. Its proprietary product candidates include X213, an allosteric inhibitor of prolactin action; XMetA, an insulin receptor-activating antibody to provide long-acting reduction of hyperglycemia in Type 2 diabetic patients; IL-2, a therapy for metastatic melanoma and renal cell carcinoma; and PTH1R, an anti-parathyroid receptor pipeline to address unmet medical needs, including primary hyperparathyroidism and humoral hypercalcemia of malignancy. The company also licenses antibody discovery, optimization, and development technologies