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Updated: Apr 6, 2026

Phage Therapy Application to Counteract Pseudomonas aeruginosa Infection in Cystic Fibrosis Zebrafish Embryos
Published on: May 12, 2020
Bacteriophage-based therapy in cystic fibrosis-associated Pseudomonas aeruginosa infections: rationale and current
Sami Hraiech1, Fabienne Brégeon2, Jean-Marc Rolain3
1Institut Hospitalo-Universitaire Méditerranée Infection, URMITE CNRS IRD INSERM UMR 7278, Marseille, France ; Réanimation Médicale - Détresses Respiratoires et Infections Sévères, APHM, CHU Nord, Marseille, France.
Abstract:
Pulmonary infections involving Pseudomonas aeruginosa are among the leading causes of the deterioration of the respiratory status of cystic fibrosis (CF) patients. The emergence of multidrug-resistant strains in such populations, favored by iterative antibiotic cures, has led to the urgent need for new therapies. Among them, bacteriophage-based therapies deserve a focus. One century of empiric use in the ex-USSR countries suggests that bacteriophages may have beneficial effects against a large range of bacterial infections. Interest in bacteriophages has recently renewed in Western countries, and the in vitro data available suggest that bacteriophage-based therapy may be of significant interest for the treatment of pulmonary infections in CF patients. Although the clinical data concerning this specific population are relatively scarce, the beginning of the first large randomized study evaluating bacteriophage-based therapy in burn infections suggests that the time has come to assess the effectiveness of this new therapy in CF P. aeruginosa pneumonia. Consequently, the aim of this review is, after a brief history, to summarize the evidence concerning bacteriophage efficacy against P. aeruginosa and, more specifically, the in vitro studies, animal models, and clinical trials targeting CF.
Insights
Bacteriophage therapy shows promise for treating Pseudomonas aeruginosa lung infections in cystic fibrosis (CF) patients, addressing the challenge of multidrug-resistant bacteria. Further clinical trials are needed to confirm efficacy in CF pneumonia.
Area of Science:
- Microbiology
- Infectious Diseases
- Pulmonology
Background:
- Pseudomonas aeruginosa lung infections significantly worsen respiratory status in cystic fibrosis (CF) patients.
- Multidrug-resistant strains are emerging due to repeated antibiotic treatments, necessitating novel therapeutic strategies.
- Bacteriophage therapy, with a history of use in ex-USSR countries, is gaining renewed interest for bacterial infections.
Purpose of the Study:
- To review the evidence for bacteriophage efficacy against Pseudomonas aeruginosa.
- To specifically examine in vitro studies, animal models, and clinical trials relevant to CF patients.
- To assess the potential of bacteriophage-based therapy for pulmonary infections in CF.
Main Methods:
- Literature review of existing studies on bacteriophage efficacy.
- Analysis of in vitro data on bacteriophages targeting Pseudomonas aeruginosa.
- Examination of animal models and available clinical trial data, particularly in the context of CF.
Main Results:
- In vitro data suggest bacteriophage therapy holds significant potential for treating pulmonary infections in CF patients.
- While clinical data in CF patients are limited, emerging studies in other infections indicate therapeutic promise.
- Bacteriophages are effective against a broad spectrum of bacterial infections, including Pseudomonas aeruginosa.
Conclusions:
- Bacteriophage therapy represents a promising alternative for managing Pseudomonas aeruginosa infections in CF.
- The review highlights the need for more extensive clinical trials to validate bacteriophage efficacy in CF pulmonary infections.
- Assessing bacteriophage effectiveness against Pseudomonas aeruginosa in CF patients is timely given the rise of antibiotic resistance.
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