Xenetic Biosciences, Inc. is a biopharmaceutical company. The Company is focused on progressing XCART, a personalized chimeric antigen receptor (CAR) T platform technology engineered to target patient-specific tumor neoantigens. The Company is advancing cell-based therapeutics targeting the B-cell receptor on the surface of an individual patient’s malignant tumor cells for the treatment of B-cell lymphomas. The Company is leveraging PolyXen, its drug delivery platform, by partnering with biotechnology and pharmaceutical companies. PolyXen enables biological drugs by modifying their half-life and other pharmacological properties.