Fig. 1

The UCART19 study schema for the universal CAR T cell trials for relapsed/refractory acute lymphoid leukemia (R/R ALL). Two international multi-center studies of the universal CAR T cells, UCART19, are ongoing. PALL is the study for pediatric patients (NCT 02808442), and CALM study is for adult patients with R/R ALL (NCT 02746952). The study schema was modified from the data presented at the 2018 ASH Annual Meeting by Benjamin et al. [115]. D day, M month