CD19 chimeric antigen receptor T-cell (CAR-T) therapy, a genetically engineered cell therapy, showed unprecedented efficacy in the treatment of relapsed or refractory diffuse large B-cell lymphoma.Two agents, axicabtagene ciloleucel and tisagenlecleucel, were approved by the Food and Drug Administration in 2017.However, CAR-T therapy is a treatment with complex logistics and high costs, as well as inherent adverse events, including cytokine-release syndrome and neurotoxicity.In addition, predictive biomarkers for efficacy and toxicity are lacking.Industry-academy cooperation is urgently required to develop CAR-T therapy that is effective, safe, and affordable for patients in Korea.(Korean