RecruitingPhase 1Genetic interventionA Phase 1 Study of UB-VV111 With and Without Rapamycin in Relapsed/Refractory CD19+ B-cell MalignanciesThis study is a Phase 1 dose-escalation and dose-confirmation study to evaluate the safety and antitumor activity of UB-VV111. The study will enroll patients with relapsed/refractory large B-cell lymphoma (LBCL) and chronic lymphocytic leukemia (CLL).