CARsgen Therapeutics Inc., a clinical-stage biopharmaceutical company today announced the European Medicines Agency (EMA) has granted PRIority MEdicines (PRIME) eligibility 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 relapsed or refractory multiple myeloma.

PRIME eligibility was based on clinical data from an ongoing CT053 BCMA CAR-T phase 1 study in China. The results from the trial were presented at an oral presentation on September 14, 2019 in Boston at the 17^th International Myeloma Workshop. As of June 30, 2019, 21 out of 24 myeloma patients (87.5%) who received a median of 4.5 prior lines of myeloma therapy showed objective response. 19 out of 24 patients (79.2%) achieved complete response. There was no grade 3 or higher cytokine release syndrome. The duration of response data will be reported at a future date.