3. Results
3.1. Stable complete chimerism
Stable complete chimerism was identified in six children. All except for one developed clinically significant GvHD, which was the cause of death of one patient. Five patients remain in continuos complete remission with high Karnofsky score. The only patient with no symptoms of acute GvHD (aGvHD) was transplanted with a T-cell depleted graft.