Background: Tisagenlecleucel is an autologous CD19-directed T-cell immunotherapy that provides high rates of durable response, with a manageable safety profile, in adult patients with R/R diffuse large B-cell lymphoma (DLBCL). An overall response (OR) rate of 53% and progression-free survival (PFS) rate of ~35% at 12 months were observed in the pivotal Phase II trial, JULIET (NCT02445248) [Jaeger et al. Blood 2020; Schuster et