NCT04778579: Phase 2 Study of the Infusion of Differentiated Autologous T-cells From Peripheral Blood, Expanded and Transduced With a Lentivirus to Express a Chimeric Antigen Receptor With Anti-CD19 Specificity (A3B1) Conjugated With the Co-stimulatory Regions 4-1BB and CD3z (ARI-0001 Cells) in Patients With CD19+ Acute Lymphoid Leukemia Resistant or Refractory to Therapy | TrialSignal