Overview

This is a single-center, single-arm, open-label clinical study, and the sample size is set to 3-6 subjects.

Eligibility

Inclusion Criteria:

1. Willing to participate in this clinical study and sign an informed consent form;
2. Age ≥ 18 years old;
3. Estimated survival time ≥ 3 months;
4. At least one measurable lesion;
5. CD19 positively expressed;
6. ECOG score 0-1；
7. Hematology, coagulation and biochemistry parameters meeting the requirements;
8. LVEF ≥ 55%;
9. No severe pulmonary disorders;

Exclusion Criteria:

1. Pregnant or lactating women;
2. Subjects who previously received allogeneic cell therapies, including allogeneic stem cell transplant;
3. Subjects who previously received anti-CD19 targeted therapy;
4. Prior treatment with any CAR-T cell product or other genetically modified T cell therapies;
5. History of Richter's transformation of chronic lymphocytic leukemia (CLL);
6. Presence of uncontrollable fungal, bacterial, viral, or other infections requiring systemic therapy;
7. Subjects with positive hepatitis B surface antigen (HBsAg) or hepatitis B core antibody (HBcAb) and peripheral blood HBV DNA titer higher than the upper limit of detection; hepatitis C virus (HCV) antibody positive and peripheral blood HCV RNA positive; human immunodeficiency virus (HIV) antibody positive; syphilis test positive;
8. Severe mental disorders; history of CNS disorders (e.g., epileptic seizure, cerebrovascular ischemia/hemorrhage, dementia, cerebellar diseases, or any CNS-involved autoimmune disorders);
9. Active autoimmune disorders requiring immunotherapy, including but not limited to end organ damages caused by autoimmune disorders (e.g., Crohn's disease, rheumatoid arthritis, and systemic lupus erythematosus) in the past 2 years, or requiring systemic application of immunosuppressive drugs or other drugs for systemic control of diseases;
10. Primary immunodeficiency;
11. History of other malignancies;
12. Patients with severe cardiovascular disorders;
13. Any circumstances that possibly increase the risk of subjects or interfere with the study results as judged by the investigator.