RecruitingDrug trialMetabolically Fit CD19 CAR T-cell Therapy With CD34 Selection in Patients With CD19+ Relapsed/Refractory NHL, CLL/SLLThis is a single-center, nonrandomized, open-label dose-escalation study followed by dose-expansion of CD19- CD34t metabolically programmed CAR T-cell therapy in adult patients with relapsed or refractory CD19 B-cell non-Hodgkin lymphoma (NHL) or chronic lymphocytic leukemia (CLL)/small lymphocytic lymphoma (SLL).