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Treosulfan-based conditioning regimen in a second matched unrelated peripheral blood stem cell transplantation for a pediatric patient with CGD and invasive aspergillosis, who experienced initial graft failure after RIC.

Authors
Type
Published Article
Journal
International Journal of Hematology
1865-3774
Publisher
Springer-Verlag
Publication Date
Volume
90
Issue
5
Pages
571–575
Identifiers
DOI: 10.1007/s12185-009-0433-z
PMID: 19866337
Source
Medline
License
Unknown

Abstract

Chronic granulomatous disease (CGD) is a rare primary immunodeficiency caused by a defect of phagocyte NADPH-oxidase and characterized by severe, recurrent bacterial and fungal infections. Invasive aspergillosis (IA) is the leading cause of mortality in patients with CGD. We report the case of a 3-year-old boy with CGD, who developed IA despite antifungal prophylaxis. His treatment consisted of a 10-month-long multi-drug antifungal therapy, together with surgery, but these did not cause any substantial clinical improvement. BMT in high-risk patients with CGD remains a challenge due to both, higher risk of graft rejection and inflammatory flare in the course of immune recovery. Our patient rejected the first matched unrelated donor (MUD) allograft after RIC regimen recommended by the EBMT Inborn Errors Working Party for high-risk patients. After treosulfan-based conditioning and second MUD peripheral blood stem cell transplantation both, full reconstitution of the granulocytic series and complete recovery from IA, were achieved.

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