Reiterated Therapeutic Drug Monitoring (TDM) Dosing to Significantly Improve the Control of Exposure to IV Busulfan in Infants and Older Children Undergoing Hematopoietic Stem-Cell Transplantation (HSCT)
Abstract:Introduction: Busulfan (Bu) is recognized worldwide as the cornerstone for HSCT conditioning regimens (CR). It has a narrow therapeutic window (TW), and graft rejection or toxicity are related to Bu exposure. In very young children, Bu exhibits large pharmacokinetic (PK) variability, and its metabolic clearance is non-linearly related to body weight (BW). In this setting, Bu dosage is stratified according to BW and commonly monitored once after the 1st of 16 total 2-hr infusions and finally, 96-hr exposure to … Show more
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