P1379: OPTIMIZATION OF FLUDARABINE PHARMACOKINCETICS TO REDUCE THE RELAPSE INCIDENCE IN AML PATIENTS AFTER ALLOGENEIC STEM CELL TRANSPLANTATION. (23rd June 2022) - Thavayogarajah, T.; Nair, G.; Balabanov, S.; Manz, M. G.; Müller, D.; Schanz, U.