This is a phase I, open-label, single-arm, multicenter study to assess the safety and efficacy of JWCAR029 in adult primary refractory DLBCL subjects in China

This is a phase I, open-label, single-arm, multicenter study conducted in adult subjects with primary refractory DLBCL in China to evaluate the safety, efficacy, pharmacokinetics(PK), pharmacodynamics(PD) of JWCAR029 and collect immune response after JWCAR029 treatment.

One dose level of 1.0 x 10^8 CAR+ T cells is adopted in this study. All sujects will be followed for 2 years after JWCAR029 infusion.

Inclusion Criteria:

1. ≥ 18 years old;
2. Sign on the informed consent;
3. Subject must have histologically confirmed diffuse large B lymphoma and primary refractory with first-line therapy;
4. Subjects have accessible PET-positive lesion and have measurable CT-positive lesion according to Lugano Classification;
5. Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1;
6. Adequate organ function;
7. Adequate vascular access for leukapheresis procedure;
8. Subjects who have previously received CD19 targeted therapy must confirm that lymphoma lesions still express CD19;
9. Women of childbearing potential must agree to use highly effective methods of contraception for 1 year after the last dose of JWCAR029;
10. Males who have partners of childbearing potential must agree to use an effective barrier contraceptive method for 1 year after the last dose of JWCAR029

Exclusion Criteria:

1. Subjects who have received second-line treatment or above
2. CD19 negative
3. Primary CNS lymphoma;
4. History of another primary malignancy that has not been in remission for at least 2 years;
5. Subjects has HBV, HCV, HIV or syphilis infection at the time of screening;
6. Deep venous thrombosis (DVT)/Pulmonary embolism (PE), or DVT/PE requires anti-coagulation within 3 months prior to signing the ICF;
7. Subjects with uncontrolled systemic fungal, bacterial, viral or other infection;
8. Presence of acute or chronic graft-versus-host disease (GVHD);
9. History of any serious cardiovascular disease or presence of clinically relevant CNS pathology;
10. Pregnant or nursing women;
11. Subjects using of any chemotherapy, corticisteriod, experiment agents, GVHD therapies, radiation, allo-HSCT or any other therapies for lymphoma must go through a specific wash-out period before leukapheresis;
12. Uncontrolled conditions or unwillingness or inability to follow the procedures required in the protocol;
13. Received CAR T-cell or other genetically-modified T-cell therapy previously.