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[Off-label and unlicensed drug use: Results from a pilot study in a pediatric intensive care unit]
Isabel García-López1, Javier Ezequiel Fuentes-Ríos2, Silvia Manrique-Rodríguez2
1Servicio de Farmacia, Hospital Infantil Universitario Niño Jesús, Madrid, España.
Insights
Pediatric intensive care units frequently use off-label and unlicensed drugs in children. This study highlights the high prevalence of these prescriptions, emphasizing the need for more pediatric drug utilization research.
Area of Science:
- Pediatric Intensive Care
- Pharmacology
- Drug Utilization
Background:
- Off-label and unlicensed drug use in pediatric populations is a significant concern.
- Limited data exists on drug safety and efficacy in critically ill children.
Purpose of the Study:
- To determine the prevalence of off-label and unlicensed drug prescriptions in a pediatric intensive care unit (PICU).
- To analyze the patterns and reasons for non-approved drug use in pediatric patients.
Main Methods:
- A prospective, observational pilot study conducted over six weeks in a PICU.
- Inclusion of hospitalized patients aged 0-18 years.
- Classification of 696 drug prescriptions using European Medicines Agency guidelines.
Main Results:
- All 42 included patients received at least one off-label prescription (median 8.9 per patient).
- 53.9% of prescriptions were off-label, and 8.6% were unlicensed.
- Off-label use was most common due to indication, age, and dose, increasing with younger patients.
Conclusions:
- PICUs exhibit a high rate of off-label and unlicensed drug use in pediatric patients.
- The lack of pediatric-specific drug data necessitates further research into drug utilization practices.
- Studies documenting pediatric drug use are crucial for improving patient safety and treatment efficacy.
Purpose:
To analyze the prevalence of use of off-label and unlicensed drugs in a pediatric intensive care unit of a University Hospital.
Method:
An observational, descriptive, prospective six week pilot study in a Pediatric Intensive Care Unit. Hospitalized patients aged between 0 and 18 years were included. Each prescribed drug was evaluated taking into account indication and condition of use, according to the information available on the Summary of Product Characteristics established by the European Medicines Agency. A sequential algorithm was defined allowing drug classification in unlicensed, off-label or approved.
Results:
Forty-two patients were included. A total of 696 prescriptions, involving 102 different drugs, were analyzed. All patients had at least one off-label prescription, and a median of 8.9 off-label prescriptions was obtained. Of the total prescriptions, 8.6% were unlicensed and 53.9% corresponded to off-label use. The main reason for off-label use was by indication, followed by age and dose. A lineal tendency between off-label drug use and patient age was observed, where off-label use increased as patient age decreased. The drugs most commonly used off-label were: atropine, etomidate, dipyrone and ranitidine, and unlicensed drugs: spironolactone, sildenafil, acetazolamide and hydrochlorothiazide.
Conclusion:
Pediatric Intensive Care Units are characterized by a high ratio of off-label and unlicensed prescriptions. The scarce number of studies performed in this specific and complex sub-population added inconveniency to the current lack of data on safety and efficacy for drugs in paediatrics. Performing studies with these characteristics allows us to document practice on paediatric drug utilisation are required.
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