Effectiveness of isavuconazole in invasive cerebral aspergillosis during hematopoietic stem cell transplantation in a pediatric patient with myelodysplastic syndrome: A case report

Pediatric myelodysplasia syndrome is often characterized by hypoplastic bone marrow morphology and predisposition to infection. Invasive aspergillosis during hematopoietic stem cell transplantation poses a significant threat and often requires voriconazole (VRCZ) therapy. However, difficulties in ac...

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Bibliographic Details
Published in:Journal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy 2024-07
Main Authors: Nemoto, Hajime, Hino, Moeko, Aoki, Takahiro, Yamashita, Yoshiharu, Okunushi, Tomoko, Nagasawa, Koo, Ishiwada, Naruhiko, Watanabe, Akira, Yamazaki, Shingo, Hamada, Hiromichi
Format: Article
Language:English
Subjects:
Aspergillus fumigatus
Brain abscess
Child
Isavuconazole
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Summary:Pediatric myelodysplasia syndrome is often characterized by hypoplastic bone marrow morphology and predisposition to infection. Invasive aspergillosis during hematopoietic stem cell transplantation poses a significant threat and often requires voriconazole (VRCZ) therapy. However, difficulties in achieving appropriate VRCZ blood levels due to drug interactions have prompted the exploration of alternative treatments, such as isavuconazole (ISCZ). We present the case of a 4-year-old boy with myelodysplasia syndrome who developed multiple abscesses, including a brain abscess caused by Aspergillus fumigatus, and was successfully treated with ISCZ. Despite initial treatment with liposomal amphotericin B and VRCZ, the patient's condition deteriorated. Transitioning to ISCZ treatment resulted in significant clinical improvement, resolution of the abscesses, and reduced antigen levels. Although ISCZ induced hepatic enzyme elevation, supportive care improved without discontinuation of treatment. This case highlights the potential of ISCZ in cases of pediatric invasive aspergillosis where traditional therapies fail, underscoring the need for further research and formulation development to optimize its use in this population. As more cases accumulate, ISCZ may become a promising option for treating severe invasive aspergillosis in pediatric patients undergoing hematopoietic stem cell transplantation.
ISSN:1341-321X
1437-7780
1437-7780
DOI:10.1016/j.jiac.2024.07.018