New antibiotics for bad bugs: where are we?

Matteo Bassetti1, Maria Merelli, Chiara Temperoni

  • 1Infectious Diseases Division, Santa Maria Misercordia Hospital, Udine, Italy. mattba@tin.it.

Insights

Antibiotic resistance is a growing global threat. This review examines new antimicrobial drugs and strategies to combat resistant bacteria like ESKAPE pathogens, highlighting the urgent need for novel treatments.

Area of Science:

  • Microbiology
  • Pharmacology
  • Infectious Diseases

Background:

  • Antibiotic resistance is a significant and increasing threat in both community and hospital settings, leading to higher mortality, morbidity, and healthcare costs.
  • The rise of multidrug-resistant microorganisms necessitates the development of new antimicrobial compounds that are safe, effective, and have a low resistance potential.

Purpose of the Study:

  • To review current data on novel antibiotic classes and molecules from existing classes.
  • To evaluate ongoing trends in antimicrobial drug development.
  • To address the challenge posed by multidrug-resistant pathogens, including the ESKAPE group.

Main Methods:

  • Literature review of existing data on new antibiotics and antimicrobial development trends.
  • Evaluation of initiatives like the Infectious Diseases Society of America's '10 × '20' program.
  • Analysis of antibiotic classes and specific agents targeting resistant Gram-positive and Gram-negative pathogens.

Main Results:

  • Several new antimicrobial agents, including fifth-generation cephalosporins, carbapenems, and β-lactamase inhibitors, show promise against resistant pathogens.
  • Approved and investigational drugs target critical infections caused by vancomycin-resistant Staphylococcus aureus (VRSA), methicillin-resistant S. aureus (MRSA), and vancomycin-resistant Enterococcus (VRE).
  • Despite progress, the pipeline of new antibiotics is insufficient to meet the rising prevalence of antibiotic-resistant infections.

Conclusions:

  • The development of new antimicrobial agents is crucial to combat the increasing threat of bacterial resistance.
  • A multi-stakeholder approach, including policy guidance and surveillance, is essential for managing antimicrobial resistance.
  • Continued research and development are needed to address the gap between the need for new antibiotics and their availability.

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