WT1 transcript levels in patients with continuous CR versus relapse. Median log10 change from baseline in WT1 transcript levels for patients who achieved a CR and remained in continuous CR (CCR) throughout the study () versus those who relapsed (–). Time points include: enrollment (enroll), CR, pretransplantation immunotherapy day 0 and day 14, posttransplantation immunotherapy 1 (Vax 1) and 4 (Vax 4), and last study measurement (Off-Study). Boxes signify chemotherapy treatments including induction, consolidation (Consol), and ASCT. Arrows signify immunotherapy administration.