Hyperuricemia Resistant to a Xanthine Oxidase Inhibitor, Topiroxostat: a Case Report

被引：0
作者：
Takahide Kimura
Seiki Yamada
Masayuki Tanemoto
机构：
[1] International University of Health and Welfare,Division of Nephrology, Department of Internal Medicine
来源：
SN Comprehensive Clinical Medicine | / 4卷 / 1期
关键词：
Chronic kidney disease; Gout; Hyperuricemia; Xanthine oxidase;
D O I：
10.1007/s42399-021-01081-1
中图分类号：
学科分类号：
摘要：
Hyperuricemia is a common complication of chronic kidney disease. Gout is a clinical symptom of hyperuricemia, and lowering serum uric acid concentration (sUA) is recommended to prevent its recurrence. Febuxostat and topiroxostat are sUA-lowering agents, which are presumed to act on the same site of xanthine oxidase (XO), the rate-limiting enzyme for urate production. We present a case of gout where febuxostat but not topiroxostat lowered sUA. The different efficacy between them indicates that XO inhibitors are not interchangeable even among those acting on the same site of XO.
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