Development of Antimicrobial Defined Daily Dose (DDD) for the Pediatric Population

Elena Montecatine-Alonso1, Marta Mejías-Trueba1,2, Walter Alfredo Goycochea-Valdivia3

  • 1Department of Pharmacy, Hospital Universitario Virgen del Rocio, 41013 Seville, Spain.

Insights

This study establishes pediatric-specific Defined Daily Doses (DDD) for antimicrobial consumption, crucial for evaluating antimicrobial stewardship programs (ASPs) in children. The new DDDs provide a global indicator for analyzing antimicrobial use and ASP effectiveness in pediatric populations.

Area of Science:

  • Pediatric Pharmacology
  • Antimicrobial Stewardship
  • Public Health Indicators

Background:

  • Antimicrobial stewardship programs (ASPs) are vital for optimizing antimicrobial use and combating resistance.
  • The World Health Organization's Defined Daily Dose (DDD) is a standard metric for antimicrobial consumption but lacks pediatric adaptation.
  • Accurate pediatric-specific metrics are needed to effectively assess ASP performance in children.

Purpose of the Study:

  • To establish appropriate pediatric Defined Daily Dose (DDD) values for common antimicrobials.
  • To develop a reliable indicator for assessing antimicrobial consumption in pediatric populations.
  • To support the evaluation of antimicrobial stewardship programs in children.

Main Methods:

  • An observational, retrospective, multicenter study analyzed 4788 antimicrobial prescriptions from seven Spanish tertiary hospitals over two years.
  • Pediatric DDDs were calculated and compared against pre-defined theoretical values.
  • Selection criteria included power value, magnitude of difference, statistical significance, and agreement in stipulated doses.

Main Results:

  • Pediatric DDDs were successfully defined for 30 different antimicrobials.
  • A potency exceeding 80% was achieved for 24 of these antibiotics.
  • The majority of selected DDDs aligned with established phases (51.2% Phase I, 39.5% Phase II).

Conclusions:

  • This study successfully defined pediatric DDDs, offering a globally applicable indicator for antimicrobial consumption.
  • These new DDD values will enhance the assessment of antimicrobial stewardship programs' effectiveness in pediatric settings.
  • The findings facilitate standardized global analysis of antimicrobial use and ASP efficacy in children.

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