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酶诱导作用会增强丙吡胺的代谢并降低其疗效吗?

Enhanced metabolism and diminished efficacy of disopyramide by enzyme induction?

作者信息

Aitio M L, Vuorenmaa T

出版信息

Br J Clin Pharmacol. 1980 Feb;9(2):149-52. doi: 10.1111/j.1365-2125.1980.tb05825.x.

Abstract

1 Monitoring plasma levels of mono-N-dealkyldisopyramide (MND), the most important metabolite of disopyramide, has been considered unnecessary. 2 We measured plasma levels of both disopyramide and MND in 64 consecutive patients receiving long term oral therapy with disopyramide. 3 Six patients were found with high plasma levels of MND, and simultaneously low levels of disopyramide. 4 Three of these patients were taking simultaneously phenytoin. The other three had a relatively high dose of disopyramide with regard to their renal function. One patient had terminal uremia, three had less severe renal dysfunction. 5 The underlying mechanism and clinical significance of the findings are discussed.

摘要
  1. 监测双异丙吡胺最重要的代谢产物单-N-去烷基双异丙吡胺(MND)的血浆水平被认为没有必要。2. 我们对64例连续接受双异丙吡胺长期口服治疗的患者测定了双异丙吡胺和MND的血浆水平。3. 发现6例患者MND血浆水平高,同时双异丙吡胺水平低。4. 其中3例患者同时服用苯妥英。另外3例患者相对于其肾功能而言双异丙吡胺剂量较高。1例患者有终末期尿毒症,3例有不太严重的肾功能不全。5. 讨论了这些发现的潜在机制和临床意义。

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本文引用的文献

1
Diphenylhydantoin metabolism in uremia.尿毒症患者中苯妥英的代谢
N Engl J Med. 1971 Sep 16;285(12):648-52. doi: 10.1056/NEJM197109162851202.

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