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KMID : 1812020160220040656
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Journal of Neurogastroenterology and Motility
2016 Volume.22 No. 4 p.656 ~ p.660
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A New Approach to the Prophylaxis of Cyclic Vomiting: Topiramate
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Abstract
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Background/Aims: The aim of this study was to compare the efficacy and tolerability of topiramate and propranolol in preventing pediatric cyclic vomiting syndrome.
Methods: A retrospective medical-record review of patients who underwent prophylaxis after receiving a diagnosis of cyclic vomiting syndrome was performed. Patients who completed at least 12 months of treatment were included in the analysis. Responder rate, and adverse-event rates were also calculated from all patients. Response to treatment was assessed as the total number of vomiting attacks per year. Patients in whom the frequency of vomiting attack reduced greater or equal to 50% were defined as responders, and the remaining patients were classified as nonresponders.
Results: A total of 38 patients who were treated prophylactically with either topiramate (16 patients) or propranolol (22 patients) were identified. Fifty-nine percent of the patients in the propranolol group and 81% of the patients in the topiramate group reported freedom from attacks. A decrease of more than 50% in attacks per year occurred in 23% of patients in the propranolol group and 13% of patients in the topiramate group. The responder rates were 81% for propranolol group and 94% for topiramate group (P = 0.001). Despite minor adverse effects (drowsiness, nervousness, and dizziness) observed in a few patients, the adverse event rates were not significantly different between the 2 groups (P = 0.240).
Conclusions: The efficacy of topiramate was superior to propranolol for the prophylaxis of pediatric cyclic vomiting syndrome.
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KEYWORD
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Cyclic vomiting syndrome, Propranolol, Topiramate
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