Time to clinical relapse. The probability of relapse-free survival after initiation of blinatumomab treatment in all 20 evaluable patients is shown in blue. Median follow-up for relapse-free survival is 405 days (range, 78-655). The probability of relapse-free survival after initiation of blinatumomab treatment in all 12 evaluable patients who have not undergone allogeneic transplantation after completion of blinatumomab treatment is shown in yellow. Median follow-up for relapse-free survival is 276 days (range, 78-655). HSCT indicates hematopoietic stem cell transplantation. Used with permission from Topp et al.³⁰