Aims: To characterise the pharmacokinetics of busulfan in paediatrics and investigate changes in clearance over a 4-day treatment course of once daily intravenous therapy. Methods: A population pharmacokinetic model was developed using NONMEM®, based on first-order conditional estimation with interaction, in patients ≤18 years receiving once daily intravenous busulfan for haematopoietic stem cell transplant (HSCT) who had […]