The Efficacy of Inhaled Phage Cocktail to Prevent Ventilator-Associated Pneumonia in Children: A Double-Blind
Mohammad Reza Navaeifar1, Golnar Rahimzadeh1, Raha Rezai1
1Pediatric Infectious Diseases Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari 4815733971, Iran.
Insights
Phage therapy shows promise in preventing ventilator-associated pneumonia (VAP) in children. This study found a phage cocktail significantly reduced VAP incidence in pediatric intensive care unit patients without side effects.
Area of Science:
- Microbiology
- Infectious Diseases
- Critical Care Medicine
Background:
- Antibiotic resistance necessitates novel therapeutic strategies.
- Phage therapy offers a potential alternative to conventional antibiotics.
- Ventilator-associated pneumonia (VAP) is a significant concern in pediatric intensive care units (PICUs).
Purpose of the Study:
- To evaluate the efficacy of a phage cocktail as a preventive measure against VAP in pediatric patients requiring mechanical ventilation.
- To assess the impact of phage therapy on VAP incidence, survival rates, and hospitalization duration.
- To determine the safety profile of inhaled phage cocktails in a pediatric intensive care setting.
Main Methods:
- A double-blind clinical trial involving sixty pediatric patients requiring mechanical ventilation for over two days.
- Intervention group received a phage cocktail suspension via nebulizer for 7 days, alongside standard care.
- Control group received a placebo with standard care; VAP incidence, survival, and hospitalization duration were compared.
Main Results:
- The phage cocktail group demonstrated a statistically significant reduction in VAP incidence compared to the placebo group (p < 0.05).
- Bacterial cultures from specific strains were negative in the intervention group.
- No significant differences were observed in mortality rates or duration of hospitalization between the groups (p > 0.05).
Conclusions:
- Inhaled phage cocktail is a promising preventive strategy for VAP in PICU patients.
- The treatment showed no observed side effects.
- Larger clinical trials are recommended to confirm efficacy and generalize findings.
Abstract:
Background/Objectives: Phage therapy is gaining attention as a potential alternative to antibiotics. This study investigates the potential use of a phage cocktail as a preventive measure against ventilator-associated pneumonia (VAP) in children. Methods: Sixty patients were selected from the pediatric intensive care units for this double-blind clinical trial. The inclusion criteria involved patients requiring invasive mechanical ventilation for more than two days. This, however, excluded newborns and children with bacterial pneumonia. The intervention group received the standard country protocol drugs in addition to 5 mL of phage cocktail suspension administered every 24 h through an in-line mesh nebulizer for 7 days. The two groups were compared in terms of the incidence of VAP, survival rate, and duration of hospitalization. Results: The intervention with phages had a significant impact on reducing the occurrence of VAP compared to the group receiving a placebo. The data showed that there was a significant difference in the occurrence of VAP between the two groups, with a lower percentage of VAP in the phage cocktail group (p < 0.05). Additionally, the cultures of specific bacterial strains did not yield positive results. Notably, there were no significant differences between the intervention and placebo groups in terms of mortality rates and duration of hospitalization (p > 0.05). Conclusions: Inhalation of a phage cocktail shows a promising effect in preventing VAP in PICU patients at a tertiary hospital in Iran with no observed side effects. However, further, larger clinical trials are necessary to validate its efficacy.
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