Human antibodies as emerging drugs for antimicrobial resistance

Matteo Ridelfi1, Vittoria Zucconi Galli Fonseca2, Claudia Sala3

  • 1Department of Pediatrics, Center for Vaccine Development and Global Health, University of Maryland School of Medicine, Baltimore, MD, USA.

Insights

Antimicrobial resistance (AMR) is a growing global health crisis. Monoclonal antibodies (mAbs) offer a promising new strategy to combat drug-resistant infections, bypassing traditional resistance mechanisms for treatment and prevention.

Area of Science:

  • Infectious Diseases
  • Immunology
  • Drug Development

Background:

  • Antimicrobial resistance (AMR) is a critical global health threat, causing millions of deaths annually and projected to worsen significantly by 2050.
  • Existing antibiotics are becoming ineffective against a growing number of bacterial pathogens.
  • Low- and middle-income countries are disproportionately affected by AMR.

Purpose of the Study:

  • To review monoclonal antibodies (mAbs) as a novel class of antimicrobials.
  • To evaluate the potential of mAbs to overcome classical antimicrobial resistance mechanisms.
  • To discuss the advantages, limitations, and future directions for mAb-based antimicrobial strategies.

Main Methods:

  • Literature review focusing on monoclonal antibodies for antimicrobial applications.
  • Analysis of existing data on mAb efficacy, resistance potential, and clinical utility.
  • Exploration of diagnostic and economic factors influencing mAb implementation.

Main Results:

  • Monoclonal antibodies (mAbs) can bypass common antimicrobial resistance (AMR) mechanisms, offering prophylactic and therapeutic benefits.
  • mAbs present unique advantages but also limitations that require careful consideration.
  • Rapid diagnostics are crucial for personalized mAb therapy to optimize outcomes and minimize resistance risks.

Conclusions:

  • Monoclonal antibodies (mAbs) represent a promising novel therapeutic and prophylactic approach to combatting antimicrobial resistance (AMR).
  • Addressing challenges in production cost, global access, and equity is essential for widespread implementation.
  • Strategies to mitigate the risk of selecting resistant strains are critical for the sustainable use of mAbs.

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