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This study examines CD19 CAR T cell therapy in patients with relapsed or refractory CD19 positive B-cell lymphoma. In this treatment, the patient's immune cells are genetically engineered to target the cancer cells. It enrolled patients aged 18 to 70. The study was carried out in Phase 1 and has been completed.
The summary above is a plain-language rendering of the official record. The original English title is shown for reference.
Criteria are reproduced from the ClinicalTrials.gov record in the original English. Only the trial team can determine eligibility.
Inclusion Criteria: * Patients aged 18 to 70 years with relapsed or refractory CD19 positive B-cell lymphoma. * Eastern Cooperative Oncology Group (ECOG) Performance status 0-2. * Adequate end organ function as defined by: Total bilirubin ≤ 1.5 x upper limit of normal（ULN）; Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤ 2.5 x ULN; Creatinine ≤ 1.5 x ULN or any serum creatinine level associated with a measured or calculated creatinine clearance of ≥ 40ml/min. * Male and female of reproductive potential must agree to use birth control during the study and for at least 6 weeks post study. * Patients should sign informed consent form. Exclusion Criteria: * Patients with central nervous system involvement by lymphoma. * Prior chemotherapy within 2 weeks before enrollment with the following exceptions: steroids, hydroxyurea, oral mercaptopurine, methotrexate, vincristine and thioguanine are permitted within 2 weeks of enrollment as maintenance or to reduce tumor load. * Prior allogeneic hematopoietic stem cell transplant (HSCT) ≤ 4 months before enrollment. Patients must have completed immunosuppression therapy prior to enrollment. At enrollment, patients must not have≥ grade 2 acute GVHD, or either moderate or severe limited chronic GVHD, or extensive GVHD of any severity. * Known systemic vasculitides, primary or secondary immunodeficiency(such as HIV infection or severe inflammatory disease). * Major surgery within 4 weeks before enrollment. * Impaired cardiac function:Ejection fraction ≤45 % on MUGA scan. QTc interval \> 450msecs on baseline ECG. Myocardial infarction within 6 months prior to starting study; other clinically significant heart disease (e.g. unstable angina, congestive heart failure or uncontrolled hypertension, uncontrolled arrhythmias). * Administration of live vaccine ≤ 4 weeks before enrollment. * Other concurrent severe and/or uncontrolled medical conditions: Patients with another primary malignant disease, except those that do not currently require treatment; acute or chronic liver, pancreatic or severe renal disease; another severe and/or life-threatening medical disease.