This is a single-center, nonrandomized, open-label study to evaluate the safety and clinical activity of ThisCART19 in patients with refractory or relapsed CD19 positive B cell malignancies, such as acute or chronic lymphocytic leukemia, lymphoma and etc. The dose range is 0.2-60 x 10^6 cells per kg body weight.
This is a study to evaluate the safety and clinical activity of ThisCART19 (Allogeneic CAR-T targeting CD19) in patients with refractory or relapsed CD19 positive B cell malignancies.