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New therapeutic agents for resistant Gram-positive infections
Hisham Ziglam1, Dillip Nathwani
1Specialist Registrar in Infectious Diseases Infection and Immunodeficiency Unit, Tayside University Hospitals NHS Trust (TUHT), Dundee, DD1 9SY, UK. hziglam@doctors.org.uk
Abstract:
Gram-positive bacteria are an increasingly common cause of community acquired and nosocomial infections, and their resistance to antibiotics is increasing. The recent reports from several continents of methicillin-resistant Staphylococcus aureus with reduced glycopeptide-susceptibility is of grave concern. New agents are required to meet these threats and several classes of compounds are under development. This review focuses on agents that have been recently licensed or are presently in clinical development for the treatment of serious multidrug-resistant staphylococcal, enterococcal and pneumococcal infections, including methicillin-resistant S. aureus and vancomycin-resistant enterococci.
Insights
New antibiotics are needed to combat rising antibiotic resistance in Gram-positive bacteria. This review covers emerging treatments for serious infections caused by multidrug-resistant staphylococci, enterococci, and pneumococci.
Area of Science:
- Microbiology
- Infectious Diseases
- Pharmacology
Background:
- Gram-positive bacteria are a growing cause of healthcare-associated infections.
- Increasing antibiotic resistance, including in methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant enterococci (VRE), poses a significant threat.
- There is an urgent need for novel antimicrobial agents to treat these resistant infections.
Purpose of the Study:
- To review recently licensed and clinically developing agents for multidrug-resistant Gram-positive bacterial infections.
- To focus on treatments for serious infections caused by MRSA, VRE, and resistant Streptococcus pneumoniae.
Main Methods:
- Literature review of scientific publications.
- Analysis of clinical trial data for new antimicrobial agents.
- Assessment of recently approved drugs for resistant Gram-positive pathogens.
Main Results:
- Several classes of novel antimicrobial compounds are under development.
- Emerging agents show promise in combating infections caused by resistant staphylococci, enterococci, and pneumococci.
- The pipeline includes treatments addressing reduced glycopeptide susceptibility in MRSA.
Conclusions:
- The development of new antimicrobial agents is crucial to address the increasing threat of multidrug-resistant Gram-positive bacteria.
- Clinical development is progressing for agents targeting serious infections caused by resistant staphylococci, enterococci, and pneumococci.
- Continued research and development are essential to stay ahead of evolving antibiotic resistance.
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