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Updated: May 31, 2026

Nanomechanics of Drug-target Interactions and Antibacterial Resistance Detection
Published on: October 25, 2013
Vancomycin: a 50-something-year-old antibiotic we still don't understand
Amy Schilling1, Elizabeth Neuner, Susan J Rehm
1Department of Infectious Disease, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA.
Abstract:
Because a significant proportion of Staphylococcus aureus strains as well as most coagulase-negative staphylococci are resistant to penicillin and semisynthetic beta-lactam drugs, the need for vancomycin and related antibiotics has never been greater. Effective use of vancomycin requires knowledge of dosing parameters and selection of target trough levels appropriate to the specific infection and to the pathogen being treated. For clinicians, it is vital to remain up-to-date with evolving definitions for vancomycin susceptibility, with new interpretations of efficacy, and with information on toxicity.
Insights
Vancomycin is crucial for treating infections caused by bacteria resistant to beta-lactam antibiotics. Proper dosing and monitoring of vancomycin trough levels are essential for effective treatment and managing toxicity.
Area of Science:
- Microbiology
- Infectious Diseases
- Pharmacology
Background:
- Increasing resistance of Staphylococcus aureus and coagulase-negative staphylococci to penicillin and beta-lactam antibiotics necessitates alternative treatments.
- Vancomycin and related antibiotics are critical in managing infections caused by these resistant bacterial strains.
Purpose of the Study:
- To highlight the importance of vancomycin in the face of rising antibiotic resistance.
- To emphasize the need for optimized vancomycin dosing and therapeutic drug monitoring.
- To underscore the necessity for clinicians to stay informed about vancomycin efficacy, susceptibility, and toxicity.
Main Methods:
- Review of current clinical guidelines and literature on vancomycin usage.
- Analysis of resistance patterns in Staphylococcus aureus and coagulase-negative staphylococci.
- Discussion of pharmacokinetic and pharmacodynamic principles relevant to vancomycin therapy.
Main Results:
- Vancomycin remains a cornerstone antibiotic for treating infections caused by beta-lactam-resistant Gram-positive bacteria.
- Therapeutic drug monitoring, specifically targeting vancomycin trough levels, is vital for optimizing efficacy and minimizing toxicity.
- Evolving definitions of vancomycin susceptibility and new interpretations of efficacy data require continuous clinician education.
Conclusions:
- Effective management of resistant bacterial infections relies heavily on appropriate vancomycin utilization.
- Clinicians must be vigilant regarding vancomycin dosing, therapeutic drug monitoring, and potential toxicities.
- Staying abreast of the latest research on vancomycin susceptibility and efficacy is paramount for patient care.
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