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Updated: May 23, 2026

A Catheter-Related Candida albicans Infection Model in Mouse
Published on: March 22, 2024
Strategies for the prevention of neonatal candidiasis
1Pediatric Emergency Medicine Department, Soroka University Medical Center, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel. eugenel@bgu.ac.il
Abstract:
Invasive fungal infections represent the third-leading cause of late-onset sepsis in very-low-birth-weight infants (VLBWI) and have a high rate of infection-associated mortality. The infants at high risk for fungal sepsis are VLBWI with presence of additional risk factors that contribute to increased colonization and concentration of fungal organisms. Colonization with Candida spp. in neonates is secondary to either maternal vertical transmission or nosocomial acquisition in the nursery. Multiple sites may become colonized and a direct correlation between fungal colonization and subsequent progression to invasive candidemia was determined. Randomized, single and multiple-center, placebo-controlled trials found intravenous fluconazole prophylaxis to be effective in decreasing fungal colonization and sepsis for at-risk preterm infants <1500 g birth weight. The prophylactic use of fluconazole was found to be safe with no significant development of fungal resistance. Fluconazole prophylaxis administered to preterm neonates with birth weight <1000 g and/or 27 weeks' gestation or less has the potential of reducing and potentially eliminating invasive fungal infections and Candida-related mortality.
Insights
Prophylactic fluconazole significantly reduced fungal colonization and sepsis in very-low-birth-weight infants (VLBWI). This safe intervention shows promise in preventing invasive fungal infections and mortality in high-risk neonates.
Area of Science:
- Neonatal Medicine
- Infectious Diseases
- Pharmacology
Background:
- Invasive fungal infections are a major cause of mortality in very-low-birth-weight infants (VLBWI).
- Risk factors for fungal sepsis include increased colonization due to maternal transmission or nosocomial acquisition.
- Fungal colonization correlates with the progression to invasive candidemia.
Purpose of the Study:
- To evaluate the efficacy and safety of intravenous fluconazole prophylaxis in preventing invasive fungal infections in at-risk preterm infants.
- To assess the impact of fluconazole on fungal colonization and Candida-related mortality.
Main Methods:
- Randomized, single and multiple-center, placebo-controlled trials were conducted.
- Intravenous fluconazole prophylaxis was administered to preterm infants weighing <1500 g.
- Safety and development of fungal resistance were monitored.
Main Results:
- Intravenous fluconazole prophylaxis effectively decreased fungal colonization and sepsis in at-risk preterm infants.
- The prophylactic use of fluconazole was found to be safe.
- No significant development of fungal resistance was observed.
Conclusions:
- Fluconazole prophylaxis is effective and safe for preventing invasive fungal infections in very-low-birth-weight infants.
- Administering fluconazole to preterm neonates (<1000 g birth weight or ≤27 weeks' gestation) can reduce or eliminate invasive fungal infections and related mortality.
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