Antimicrobial resistance: use of phage therapy in the management of resistant infections
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Published on: May 12, 2020
Favour Ikpe1, Tonfamoworio Williams1, Edidiong Orok2
1Department of Pharmaceutical Microbiology and Biotechnology, College of Pharmacy, Afe Babalola University, Ado-Ekiti, Nigeria.
Abstract:
The emergence and increase in antimicrobial resistance (AMR) is now widely recognized as a major public health challenge. Traditional antimicrobial drugs are becoming increasingly ineffective, while the development of new antibiotics is waning. As a result, alternative treatments for infections are garnering increased interest. Among these alternatives, bacteriophages, also known as phages, are gaining renewed attention and are reported to offer a promising solution to alleviate the burden of bacterial infections. This review discusses the current successes of phage therapy (PT) against multidrug-resistant organisms (MDROs), such as Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, and Enterobacter spp. The review also compares the efficacy of PT with that of chemical antibiotics, reporting on its benefits and limitations, while highlighting its impact on the human gut microbiome and immune system. Despite its potential, phage therapy is reported to face challenges such as the narrow antibacterial range, the complexity of developing phage cocktails, and the need for precise dosing and duration protocols. Nevertheless, continued research, improved regulatory frameworks, and increased public awareness are essential to realize its full potential and integration into standard medical practice, paving the way for innovative treatments that can effectively manage infections in an era of rising antimicrobial resistance.
Insights
Antimicrobial resistance (AMR) necessitates alternative treatments. Bacteriophage therapy (PT) shows promise against multidrug-resistant organisms (MDROs), offering a potential solution to combat infections where antibiotics fail.
Area of Science:
- Microbiology
- Infectious Diseases
- Public Health
Background:
- Antimicrobial resistance (AMR) poses a significant global health threat, diminishing the efficacy of conventional antibiotics.
- The pipeline for new antibiotic development is insufficient to meet the growing challenge of multidrug-resistant organisms (MDROs).
- Alternative therapeutic strategies are urgently needed to manage bacterial infections effectively.
Purpose of the Study:
- To review the current applications and successes of phage therapy (PT) as an alternative to antibiotics.
- To compare the efficacy, benefits, and limitations of PT against established antimicrobial drugs.
- To assess the impact of PT on the human microbiome and immune system.
Main Methods:
- Literature review of studies on phage therapy efficacy against specific MDROs.
- Comparative analysis of phage therapy versus traditional antibiotic treatments.
- Evaluation of phage therapy's effects on host biological systems.
Main Results:
- Phage therapy demonstrates success against key MDROs including Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, and Enterobacter spp.
- PT offers a viable alternative with distinct benefits and limitations compared to chemical antibiotics.
- The impact of PT on the gut microbiome and immune responses is a critical area of consideration.
Conclusions:
- Phage therapy presents a promising avenue for treating infections caused by MDROs.
- Challenges such as narrow spectrum, cocktail development, and precise protocols require further research and regulatory refinement.
- Integration of PT into standard medical practice requires continued research, regulatory support, and public education to combat the AMR crisis.
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