Abstract
Purpose
Paediatric recipients of haematopoietic stem cell transplantation (HSCT) have a high risk for invasive fungal infections. Posaconazole oral suspension has proven to be effective in antifungal prophylaxis in adult and paediatric patients. A new posaconazole tablet formulation with absorption independent of the gastric conditions was approved by the FDA in 2013. This is the first report on the use of posaconazole tablets in paediatric patients.
Methods
This single-centre study included 63 paediatric patients with haemato-oncological malignancies who received posaconazole for antifungal prophylaxis after HSCT. They were analysed for efficacy, feasibility and the safety of posaconazole. Out of 63 patients, 31 received posaconazole oral suspension and 32 received posaconazole tablets up to 200 days after transplantation. Analyses of the posaconazole trough levels were determined.
Results
No possible, probable or proven invasive fungal infection was observed in either group. Posaconazole trough levels were significantly higher in the tablet group than in the suspension group at all analysed time points. Drug-related adverse events were similarly low in both groups.
Conclusions
Posaconazole tablets are effective in preventing invasive fungal infections in paediatric patients. As early as day 3 after starting posaconazole tablets, over 50% of the posaconazole trough levels were >500 ng/mL, while this was observed on day 14 after start with posaconazole suspension. The administration of posaconazole tablets was safe, effective and feasible as antifungal prophylaxis in paediatric patients after HSCT.


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Abbreviations
- ALL:
-
Acute lymphoblastic leukaemia
- ALT:
-
Alanine aminotransferase
- AML:
-
Acute myeloid leukaemia
- AST:
-
Aspartate aminotransferase
- BID:
-
Bis in die, twice a day
- CA:
-
Carboplatin
- CsA:
-
Cyclosporine A
- ETO:
-
Etoposide
- FLU:
-
Fludarabine
- GvHD:
-
Graft-versus-host disease
- HSCT:
-
Haematopoietic stem cell transplantation
- JMML:
-
Juvenile myelomonocytic leukaemia
- MAC:
-
Myeloablative conditioning regimen
- MDS:
-
Myelodysplastic syndromes
- MFD:
-
Matched family donor
- mg kg BW−1 :
-
Milligram per kilogram bodyweight
- MTX:
-
Methotrexate
- MUD:
-
Matched unrelated donor
- n :
-
Sample size
- NHL:
-
Non-Hodgkin’s lymphoma
- QD:
-
Quaque die, once a day
- RIC:
-
Reduced-intensity conditioning regimen
- SD:
-
Standard deviation
- TBI:
-
Total body irradiation
- TID:
-
Ter in die; three times daily
- TLI:
-
Total lymphoid irradiation
- TT:
-
Thiotepa
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Acknowledgements
The authors received financial support from the Stefan-Morsch-Stiftung, Birkenfeld, Germany.
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WJH received research grants from Merck and Pfizer; serves on the speakers’ bureaus of Alexion, Astellas, Bristol-Myers Squibb, Chugai Pharma, Gilead, Janssen, MSD/Merck, and Pfizer; and received travel grants from Alexion, Astellas, MSD/Merck, Novartis, and Pfizer. All other authors declare that they have no conflicts of interest.
This retrospective analysis was performed in accordance with the declaration of Helsinki and under the waiver for retrospective anonymized studies in accordance with the institutional ethics regulations. Data were collected retrospectively, entered in a standardized case report form and anonymized. Informed consent was obtained from all individual participants included in the study or their legal representatives.
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Döring, M., Cabanillas Stanchi, K.M., Queudeville, M. et al. Efficacy, safety and feasibility of antifungal prophylaxis with posaconazole tablet in paediatric patients after haematopoietic stem cell transplantation. J Cancer Res Clin Oncol 143, 1281–1292 (2017). https://doi.org/10.1007/s00432-017-2369-7
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DOI: https://doi.org/10.1007/s00432-017-2369-7