| aGVHD | Acute graft-versus-host disease |
| AI | Artificial intelligence |
| ALL | Acute lymphoblastic leukemia |
| AML | Acute myeloid leukemia |
| AUC | Area under the concentration–time curve |
| AUC6 | AUC over a 6 h dosing interval |
| AUC12 | AUC over a 12 h dosing interval |
| AUC24 | AUC over a 24 h dosing interval |
| AUC96 | Cumulative area under the concentration–time curve over 96 h |
| AUCcum | Cumulative area under the concentration–time curve |
| BD | Twice daily |
| BSA | Body surface area |
| Bu | Busulfan |
| CL | Clearance |
| Cmax | Maximum concentration |
| Css | Steady-state concentration |
| CYP | Cytochrome P450 |
| DNA | Deoxyribonucleic acid |
| EBMT | European Society for Blood and Marrow Transplantation |
| EFS | Event-free survival |
| EMA | European Medicines Agency |
| FDA | United States Food and Drug Administration |
| FMO | Flavin-containing monooxygenase |
| GC | Gas chromatography |
| GRFS | Graft-versus-host disease-free, relapse-free survival |
| GSG | γ-glutamyl-dehydroalanyl-glycine–glutathione S-conjugate |
| GSH | Glutathione |
| GST | Glutathione S-transferase |
| GSTA1 | Glutathione S-transferase alpha 1 |
| GSTA2 | Glutathione S-transferase alpha 2 |
| GSTM1 | Glutathione S-transferase mu 1 |
| GSTP1 | Glutathione S-transferase pi 1 |
| GSTT1 | Glutathione S-transferase theta 1 |
| GVHD | Graft-versus-host disease |
| HPLC | High-performance liquid chromatography |
| HSCT | Hematopoietic stem cell transplantation |
| IEI | Inborn errors of immunity |
| IIV | Interindividual variability |
| IOV | Inter-occasion variability |
| LC–MS/MS | Liquid chromatography–tandem mass spectrometry |
| LSS | Limited sampling strategy |
| MDS | Myelodysplastic syndrome |
| MIPD | Model-informed precision dosing |
| ML | Machine learning |
| NCA | Noncompartmental analysis |
| NLME | Nonlinear mixed-effects modeling |
| NRM | Non-relapse mortality |
| OFV | Objective function value |
| OS | Overall survival |
| PBPK | Physiologically based pharmacokinetic |
| PK | Pharmacokinetic/pharmacokinetics |
| PK/PD | Pharmacokinetic/pharmacodynamic |
| PopPK | Population pharmacokinetic |
| QD | Once daily |
| QID | Four times daily |
| RIC | Reduced-intensity conditioning |
| RUV | Residual unexplained variability |
| TBI | Total body irradiation |
| TDM | Therapeutic drug monitoring |
| THT | Tetrahydrothiophene |
| UCBT | Unrelated umbilical cord blood transplantation |
| VOD/SOS | Hepatic veno-occlusive disease/sinusoidal obstruction syndrome |