In 6 hematopoietic stem cell transplant (HSCT) recipients with candidemia, the (1,3)-β-d-glucan (BG) test was positive a median of 2.5 days after a positive blood culture. Only in 1 patient did BG positivity precede positive blood cultures. BG concentrations decreased in patients with clinical response, but positive BG results persisted long after blood cultures became sterile (median, 48 days).
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http://dx.doi.org/10.1128/CVI.00513-10 | DOI Listing |
Viruses
December 2024
Division of Infectious Diseases, Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA.
Cytomegalovirus (CMV) infection in solid organ transplant (SOT) and hematopoietic cell transplant (HCT) recipients may increase the risk of rejection or allograft dysfunction, other infection(s), and morbidity and mortality. Treatment can be challenging due to medication-associated toxicities. Maribavir (MBV) is a promising option for the treatment of resistant or refractory (R/R) CMV infection in lieu of foscarnet (FOS), which has long been the recommended therapy for (val)ganciclovir-resistant infection.
View Article and Find Full Text PDFVaccines (Basel)
December 2024
Faculty of Medicine, University of Porto, 4099-002 Porto, Portugal.
Haematopoietic stem cell transplantation (HCT) induces profound immunosuppression, significantly increasing susceptibility to severe infections. This review examines vaccinations' necessity, timing, and efficacy post-HCT to reduce infection-related morbidity and mortality. It aims to provide a structured protocol aligned with international and national recommendations.
View Article and Find Full Text PDFVaccines (Basel)
December 2024
Vaccine Bio Research Institute, College of Medicine, Catholic University of Korea, Seoul 06591, Republic of Korea.
Background: Varicella can lead to severe complications in immunocompromised children, including those undergoing hematopoietic stem cell transplantation (HSCT) or chemotherapy. Preventing primary varicella zoster virus (VZV) infection is crucial in these populations to mitigate morbidity and mortality. This study aimed to evaluate the immunogenicity and safety of the live attenuated MAV/06 varicella vaccine in pediatric patients post-HSCT and post-chemotherapy.
View Article and Find Full Text PDFMicroorganisms
December 2024
Center for Viral Surveillance and Serological Evaluation (CeVIVAs), Butantan Institute, São Paulo 05585-000, SP, Brazil.
Viral infections are one of the most important causes of morbidity and mortality among patients undergoing allogeneic hematopoietic stem cell transplantation (HSCT). Immunosuppression may lead to the reactivation of latent viruses or the acquisition of new infections, resulting in severe clinical outcomes. The early detection of viral reactivations is crucial for effective patient management and post-transplant care.
View Article and Find Full Text PDFPharmaceuticals (Basel)
December 2024
Division of Hematology and Stem Cell Transplantation, University Hospital, 33100 Udine, Italy.
Chimeric antigen receptor (CAR) T-cell therapy represents one of the most impressive advances in anticancer therapy of the last decade. While CAR T-cells are gaining ground in various B cell malignancies, their use in acute myeloid leukemia (AML) remains limited, and no CAR-T product has yet received approval for AML. The main limitation of CAR-T therapy in AML is the lack of specific antigens that are expressed in leukemic cells but not in their healthy counterparts, such as hematopoietic stem cells (HSCs), as their targeting would result in an on-target/off-tumor toxicity.
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