CD19-specific CAR T Cells With a Fully Human Binding Domain for CD19+ Leukemia or Lymphoma

Prior treatment

• Presence of active GVHD, or receiving immunosuppressive therapy for treatment or prevention of GVHD within 4 weeks prior to enrollment
• Subject has received prior virotherapy
• Subject and/or legally authorized representative unwilling to provide consent/assent for participation in the 15-year follow up period, required if CAR T cell therapy is administered

Other illness

• Presence of active malignancy other than disease under study
• History of symptomatic CNS pathology or ongoing symptomatic CNS pathology
• Presence of active severe infection
• Presence of primary immunodeficiency syndrome
• Presence of any condition that, in the opinion of the investigator, would prohibit the patient from undergoing treatment under this protocol

Other

• CNS involvement of leukemia or lymphoma that is symptomatic and in the opinion of the investigator, cannot be controlled during the interval between enrollment and CAR T cell infusion
• Pregnant or breastfeeding

• Male and female subjects age ≥ 1 and ≤ 30 years
• First 2 enrolled subjects: age ≥ 18 and ≤ 30 years
• Disease requirements:
  • Phase 1: Evidence of refractory or recurrent CD19+ leukemia or lymphoma following previous CAR T cell immunotherapy
  • Phase 2: Evidence of refractory or recurrent CD19+ leukemia or lymphoma
• Able to tolerate apheresis, or has sufficient existing apheresis product or T cells for manufacturing investigational product
• Life expectancy ≥ 8 weeks
• Lansky or Karnofsky, as applicable, score ≥ 50
• Recovered from acute toxic effects of all prior chemotherapy, immunotherapy, and radiotherapy, if the subject does not have a previously obtained apheresis product that is acceptable and available for manufacturing of CAR T cells
• ≥ 7 days post last chemotherapy and biologic therapy, with the exception of intrathecal chemotherapy and maintenance chemotherapy
• No prior virotherapy
• ≥ 7 days post last corticosteroid therapy
• ≥ 3 days post Tyrosine Kinase Inhibitor (TKI) use
• ≥ 1 day post hydroxyurea
• 30 days post most recent CAR T cell infusion
• Adequate organ function
• Adequate laboratory values, including absolute lymphocyte count ≥ 100 cells/uL
• Subjects of childbearing or child-fathering potential must agree to use highly effective contraception from consent through 12 months following infusion of investigational product on trial
• Subject and/or legally authorized representative has signed the informed consent form for this study