Antileukemia response durability. Kaplan-Meier curves of (A) EFS and (B) OS. (C) Waterfall plot of individual research participant remission duration, BCA duration, and timing of allogeneic (allo) HSCT and/or relapse. (D) Effect of CD19 burden on BCA durability. (E) Effect of flu as component of lymphodepletion regimen on BCA durability.