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Published on: December 8, 2023
Antifungal prophylaxis in adult hematopoietic stem cell transplant recipients
Kimberly Tamura1, Richard Drew
1Campbell University School of Pharmacy, Buies Creek, North Carolina, USA.
Abstract:
Invasive fungal infections (IFIs) are a frequent, costly and potentially life-threatening complication in hematopoietic stem cell transplant (HSCT) recipients. Most prevalent among the causative pathogens are Candida spp. and Aspergillus spp. Risk factors that further increase the risk of IFIs in this patient population include allogeneic transplant and acute graft versus host disease. Among strategies to improve outcomes is the administration of antifungal prophylaxis. However, optimal administration requires the identification of patients who are at the highest risk of developing a fungal infection, thus restricting concerns of drug cost, toxicity and resistance to those most likely to benefit. Currently, there are several antifungal agents recommended by the National Comprehensive Cancer Network for the prophylaxis of IFIs. These include fluconazole, itraconazole, voriconazole, posaconazole and micafungin. Fluconazole was widely considered the standard agent for prophylaxis in patients at lower risk of mold infections. New data support the efficacy of the newer triazole posaconazole and the echinocandin micafungin in this patient population..
Insights
Invasive fungal infections (IFIs) are a serious risk for hematopoietic stem cell transplant (HSCT) patients. Antifungal prophylaxis is key, with newer agents showing promise for high-risk individuals.
Area of Science:
- Hematology
- Infectious Diseases
- Pharmacology
Background:
- Invasive fungal infections (IFIs) are a significant complication in hematopoietic stem cell transplant (HSCT) recipients.
- Candida and Aspergillus species are the most common pathogens causing IFIs.
- Allogeneic transplant and acute graft-versus-host disease increase IFI risk.
Purpose of the Study:
- To review current strategies for antifungal prophylaxis in HSCT recipients.
- To identify optimal methods for risk stratification to guide prophylaxis decisions.
- To discuss the role of various antifungal agents in preventing IFIs.
Main Methods:
- Review of current literature and guidelines on antifungal prophylaxis in HSCT.
- Analysis of risk factors associated with IFIs in HSCT patients.
- Evaluation of the efficacy of different antifungal agents.
Main Results:
- Fluconazole has been a standard for lower-risk patients.
- Newer agents like posaconazole and micafungin demonstrate efficacy.
- Risk stratification is crucial for targeted antifungal prophylaxis.
Conclusions:
- Optimizing antifungal prophylaxis in HSCT recipients requires accurate risk assessment.
- Posaconazole and micafungin represent valuable options for IFI prevention.
- Continued research is needed to refine prophylaxis strategies and drug selection.
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