(S)-(−)-5-hydroxy-1-methylhydantoin is useful as a drug having high safety. Since the compound of the present invention, (S)-(−)-5-hydroxy-1-methylhydantoin, rarely changes to the metabolite having high toxicity compared with the R-form and the racemate, it is preferred as an agent for renal failure especially when used for chronic renal insufficiency in a patient where toxic substances are not excreted, but are accumulated in the body due to disturbance of renal functions.
(S)-(−)-5-羟基-1-甲基
咪唑嘧啶是一种具有高安全性的药物。由于本发明的化合物(S)-(−)-5-羟基-1-甲基
咪唑嘧啶与R-形式和消旋体相比,很少转化为具有高毒性的代谢物,因此在肾功能障碍患者中特别是慢性肾功能不全患者中使用时,它被优先选用作为一种药物,因为在这些患者中毒性物质不能被排泄,而是由于肾功能紊乱而在体内积累。