Antifungal agents in hematopoietic stem cell transplantation
Related Experiment Video
Updated: Jul 2, 2026

Intrafemoral Injection of Human Hematopoietic Stem and Progenitor Cells into Immunocompromised Mice
Published on: December 8, 2023
G Iyer Parameswaran1, Brahm H Segal, Nikolaos G Almyroudis
1Division of Infectious Diseases, Roswell Park Cancer Institute, Elm & Carlton Streets, Buffalo, NY 14263, USA.
Abstract:
Invasive fungal infections are major complications of stem cell transplantation associated with significant morbidity and mortality. Allogeneic stem cell transplant recipients are at a significantly greater risk for fungal infection than recipients of autologous transplantation. Although with the wide use of fluconazole prophylaxis the incidence and associated mortality of invasive candidiasis has been minimized, mold diseases remain a significant complication during periods of prolonged immunosuppression for graft versus host disease. Posaconazole prophylaxis during periods of high risk was recently demonstrated to be effective in preventing fungal infections and associated mortality. Preemptive strategy employing laboratory markers and serial CT scans to identify mold infection at an early stage is promising. However its efficacy has to be validated in clinical trials. Several new antifungal agents have been introduced lately, characterized by improved safety profile and broader antifungal spectrum. Voriconazole has become the standard of care for the treatment of invasive aspergillosis. Finally there has been increasing interest on combination therapy for invasive aspergillosis due to the high rate of failure of the currently available antifungals, especially in the profoundly immunocompromised host.
Insights
Stem cell transplant recipients face high risks of fungal infections, especially mold diseases. New antifungal drugs and strategies like posaconazole prophylaxis show promise in preventing and treating these serious complications.
Area of Science:
- Hematology
- Infectious Diseases
- Oncology
Background:
- Invasive fungal infections (IFIs) are a significant cause of morbidity and mortality in stem cell transplant (SCT) recipients.
- Allogeneic SCT recipients have a higher risk of IFIs compared to autologous SCT recipients.
- While fluconazole prophylaxis reduced invasive candidiasis, mold infections remain a major threat during immunosuppression for graft-versus-host disease.
Purpose of the Study:
- To review current strategies for preventing and treating invasive fungal infections in SCT recipients.
- To highlight advancements in antifungal prophylaxis and therapy.
- To discuss emerging approaches for managing IFIs in immunocompromised patients.
Main Methods:
- Review of recent clinical trials and guidelines on antifungal prophylaxis and treatment in SCT.
- Analysis of the efficacy of posaconazole prophylaxis in high-risk patients.
- Evaluation of new antifungal agents and combination therapies.
Main Results:
- Posaconazole prophylaxis is effective in preventing IFIs and reducing mortality in high-risk SCT patients.
- Preemptive strategies using biomarkers and CT scans show promise but require clinical validation.
- New antifungal agents offer improved safety and broader spectrum activity, with voriconazole as standard for invasive aspergillosis.
Conclusions:
- Fungal infection management in SCT requires tailored prophylaxis and treatment strategies.
- Advances in antifungal agents and combination therapies are crucial for improving outcomes.
- Continued research is needed to validate new diagnostic and therapeutic approaches for IFIs in SCT.
Related Concept Videos
Antifungal Agents
Regulation of Hematopoietic Stem Cells
Cryptococcal Meningitis
Stem Cell Therapy for Tissue Regeneration
Types of Stem Cells used in Stem Cell Therapy
The two main cell types that...
Bone Marrow Sampling and Transplants
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy the...
Antiprotozoal Agents

