SHANGHAI, Aug. 31, 2019 /PRNewswire/ -- CARsgen Therapeutics Inc., a clinical-stage biopharmaceutical company today announced the United States Food and Drug Administration (FDA) has granted orphan drug designation to its investigational CAR-T cell therapy fully human anti-BCMA (B Cell Maturation Antigen) autologous chimeric antigen receptor (CAR) T Cells (ct053) for the treatment of multiple myeloma.