Abstract
PurposeThe main objectives of this study were to assess the incidence of off-label (OL) and/or unlicensed (UL) prescriptions in a sample of pediatric Lebanese patients by using US Food and Drug Administration (FDA) and the French Medical Regulatory Authority (ANSM) regulations. The goal was to analyze the divergences between regulations and to identify those drugs most commonly involved in OL-UL utilization. MethodsThis study was a retrospective analysis (500 pediatric files) conducted in a Lebanese University hospital in 3 pediatric wards (chronic diseases, acute diseases, and the pediatric intensive care unit). FindingsThe frequency of OL-UL drug use was significantly different between pediatric wards (P < 0.001), with the highest incidence occurring in the intensive care unit. The most frequent OL-UL prescriptions occurred with cancer (oncology) admissions. Age was significantly related to OL-UL frequency (highest incidence in children aged between 0 and 1 year). The number of drugs prescribed per patient ranged between 1 and 20 (mean [SD], 4.13 [2.6]). The incidence of OL-UL prescriptions was significantly higher in patients treated with a greater number of medicines (P < 0.001). Overall, 58.9% of drug prescriptions were authorized according to ANSM and 50.7% according to FDA regulations; 11.1% (ANSM) and 15.8% (FDA) were UL, and 30.2% (ANSM) and 33.5% (FDA), respectively, were OL use (where OL for the indication were the most common). The highest percentage of OL-UL prescriptions was seen with the following groups: blood and blood-forming organs, genitourinary system, and sex hormones. Divergence between FDA and ANSM was mainly observed for OL medicines. UL prescriptions assessed according to both regulations showed similar results. ImplicationsThis study highlights the need for prescribers to continuously examine updates to official regulations to avoid using an OL-UL drug whenever possible. It also calls for better harmonization between worldwide official guidelines concerning drugs used in children to reduce risk factors for adverse drug reactions.
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