Abstract
Anti T-lymphocyte globulin (ATLG) is used in hematopoietic stem cell transplantation (HSCT) to prevent graft-versus-host disease (GvHD) and graft failure. To date, insight in ATLG pharmacokinetics and -dynamics (PK/PD) is limited, and population PK (POPPK) models are lacking. In this prospective study, we describe ATLG POPPK using NONMEM® and the impact of ATLG exposure on clinical outcome and immune reconstitution in a homogeneous cohort of pediatric acute lymphoblastic leukemia (ALL) patients transplanted with a matched unrelated donor and receiving uniform ATLG dosing. Based on 121 patients and 812 samples for POPPK analysis, a two-compartmental model with parallel linear and non-linear clearance and bodyweight as covariate, best described the ATLG concentrationtime data. The level of ATLG exposure (day active ATLG day 16 8.2%, p.
| Original language | English |
|---|---|
| Journal | Haematologica |
| Volume | 109 |
| Issue number | 9 |
| Pages (from-to) | 2854-2863 |
| Number of pages | 10 |
| ISSN | 0390-6078 |
| DOIs | |
| Publication status | Published - 1 Sept 2024 |
Keywords
- Adolescent
- Antilymphocyte Serum/administration & dosage
- Child
- Child, Preschool
- Female
- Graft vs Host Disease/etiology
- Hematopoietic Stem Cell Transplantation/adverse effects
- Humans
- Infant
- Male
- Precursor Cell Lymphoblastic Leukemia-Lymphoma/therapy
- Prospective Studies
- Recurrence
- Treatment Outcome
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