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Off-label drug use among hospitalised children: identifying areas with the highest need for research

Linda Hsien1, André Breddemann, Anne-Kristina Frobel

  • 1Department of Clinical Pharmacy and Pharmacotherapy, Heinrich-Heine University of Düsseldorf, Universitätsstrasse 1, Dusseldorf 40225, Germany.

Pharmacy World & Science : PWS
|January 26, 2008
PubMed

Insights

Off-label drug use is common in pediatric patients, particularly cardiovascular medications. This highlights a significant need for further research and clinical trials in pediatric pharmacotherapy.

Area of Science:

  • Pediatric Pharmacology
  • Drug Utilization Research
  • Clinical Pharmacy

Background:

  • Off-label drug use in children is a widespread issue, necessitating analysis to identify research priorities.
  • Understanding patterns of off-label prescribing is crucial for improving pediatric pharmacotherapy.

Purpose of the Study:

  • To analyze the extent and patterns of off-label drug use in a German pediatric ward.
  • To identify specific pharmacotherapy domains requiring further research regarding pediatric off-label prescriptions.

Main Methods:

  • A prospective observational study was conducted in a Duesseldorf pediatric ward from January to June 2006.
  • Prescription data and discharge letters were analyzed, classifying drugs by the Anatomical Therapeutic Chemical (ATC) system and diagnoses by the International Classification of Diseases (ICD).
  • Off-label use was defined by age, indication, route of administration, and dosage, and compared against European Medicines Agency (EMEA) priority lists.

Main Results:

  • The study included 417 patients and analyzed 1,812 prescriptions for 211 drugs.
  • A significant proportion of patients (61%) and prescriptions (31%) involved off-label drug use.
  • Cardiovascular drugs showed the highest percentage of off-label use (60%) and a substantial overlap with EMEA's prioritized research list for pediatric pharmacotherapy.

Conclusions:

  • Cardiovascular drugs represent a critical area for research in pediatric pharmacotherapy due to high off-label use.
  • The findings provide a basis for future clinical trials focusing on off-label cardiovascular drug prescriptions in children.
  • Aligning research with EMEA priorities can accelerate the development of evidence-based guidelines for pediatric drug use.
Abstract

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