Prevalence of macrolide resistance in Treponema pallidum is associated with macrolide consumption

Chris Kenyon1,2

  • 11​HIV/STI Unit, Institute of Tropical Medicine, Antwerp, Belgium.

Insights

Global macrolide consumption strongly correlates with macrolide resistance in Treponema pallidum. Higher antibiotic use in populations is linked to increased resistance, impacting public health strategies.

Area of Science:

  • Microbiology
  • Epidemiology
  • Public Health

Background:

  • Macrolide resistance in Treponema pallidum shows significant global variation.
  • Understanding the drivers of this resistance is crucial for effective treatment and control.

Purpose of the Study:

  • To investigate the relationship between population-level macrolide consumption and the prevalence of macrolide resistance in Treponema pallidum.

Main Methods:

  • A country-level regression analysis was performed.
  • Peak macrolide resistance prevalence was regressed against national macrolide consumption in the preceding year.
  • The year of the resistance prevalence estimate was included as a control variable.

Main Results:

  • A significant positive association was found between per capita macrolide consumption and macrolide resistance.
  • The coefficient was 0.7 (95% CI: 0.2-0.12, P=0.009).

Conclusions:

  • Population-level macrolide consumption is a significant factor contributing to global variations in Treponema pallidum macrolide resistance.
  • This finding has implications for antibiotic stewardship and infectious disease management.

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