At the same time, another series of 5 pediatric/young adult patients (4 AML and 1 chronic myeloid leukemia (CML)) focused on use of NK adoptive transfer to consolidate engraftment following haplo HSCT (CD34+ selected and CD4+ and CD8+ depleted), with primary endpoints of safety and feasibility [45]. Here, CD34 is linked to chronic myelogenous leukemia, BCR-ABL1 positive.