단일기관 소아청소년 입원환자에서의 허가 외 약물 사용 현황 분석 = Analysis of Off-Label Drug Use in Pediatric Inpatients: A Single Tertiary Center Experience

다국어 초록 (Multilingual Abstract)

Background : Because of the lack of clinical research and drug evaluation for children, off-label prescribing has been widely observed in children. However, studies on the prevalence of off-label prescribing in children are rare in Korea. The purpose of this study was to investigate the characteristics of off-label prescribing in pediatric inpatients at a tertiary university hospital in Korea.
Methods : All pediatric patients age 0-18 years were included Jun 1-7, 2020 at Asan Medical Center. We retrospectively collected patient characteristics and medication profiles and off-label prescriptions were defined based on the Korea Food and Drug Administration–approved labeling.
Results : Of the 286 inpatients, 229 (80.1%) patients received at least one off-label drug use. Additionally, 380 drugs were used, and 129 (33.9%) drugs are not approved in children. Of 1,784 prescriptions, 722 (40.5 %) were for off-label use. The proportion (n=107, 46.7%) of children under age two was higher in the off-label group than in the No off-label group. Gastrointestinal agents (n=183, 25.3%) were the most common causative drugs, followed by cardiovascular agents (n=111, 15.4%), and anti-Infective agents (n=82, 11.4%).
Conclusion : Off-label prescribing is common among pediatric patients, especially in premature and neonates. Thus, pediatric pharmacists should be actively engaged in off-label drug use for safe and effective medication use in pediatric patients. A practical guideline for off-label drug use in children, and further research on adverse drug reactions from off-label drug use is needed.

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