RecruitingPhase 2Drug trialDecitabine, Venetoclax and Blinatumomab for Maintenance Following HSCT in Patients With Ph-Negative B-ALLThis study aims to evaluate whether maintenance therapy with decitabine, venetoclax and blinatumomab could improve the 2-year progression free survival (PFS) of patients with philadelphia chromosome-negative B-cell acute lymphoblastic leukemia who had recently received an allogeneic stem cell transplant and in measurable residual disease-negative remission.