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?:abstract
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OBJECTIVE In 2014, the Korean Ministry of Food and Drug Safety (MFDS) issued a safety warning to carefully consider adverse cardiac effects when prescribing domperidone for children. We conducted this study to compare the trends of domperidone prescription in pediatrics before and after the MFDS safety warning. MATERIALS This study included patients < 18 years old who used national health insurance services within the year 2011 and the year 2016, sampled from Health Insurance Review Agency data. METHODS We analyzed domperidone prescribing patterns including prescribed daily dosage, maximum period of continuous prescription, and number and types of co-prescribed medications and compared two different years pre and post safety warning. RESULTS A total of 16,614 pediatric patients (1.74%) received domperidone prescriptions in 2011, and 11,317 patients (1.23%) in 2016. The probability of receiving at least one prescription in 2016 has been reduced by 30% compared to 2011. Gastritis was the most common indication in both years. The number of prescriptions containing a maximum daily dosage of over 30 mg was significantly lower in 2016. In the same time period, the number of cases with a maximum continuous prescription period of more than 7 days significantly decreased (p < 0.001). In addition, from 2011 to 2016, comorbid diseases of domperidone-treated patients were similar, but the number of co-prescriptions of interacting medication to domperidone decreased (p < 0.001). CONCLUSION After the 2014 safety letter was released, the pattern of prescribing domperidone in pediatrics has enhanced drug safety for children in terms of frequency of prescriptions, maximum duration of domperidone use, and the prescription of drugs interacting with domperidone.
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