Xenetic Biosciences is a biopharmaceutical company. Co.'s drug candidates pipeline include: XCART, which is a CAR T cell platform technology engineered to target patient-specific tumor neoantigens; ErepoXen (polysialylated erythropoietin), which uses Co.'s PolyXen platform technology for the treatment of anemia in chronic kidney disease patients; XBIO-101, which is an internal candidate with orphan drug designation from the U.S. Food and Drug Administration for the potential treatment of progesterone receptor negative endometrial cancer in conjunction with progesterone therapy; and OncoHist, which utilizes the properties of modified human histone H1.3 for targeted cell killing.