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静脉注射红霉素后的个体间差异及剂量相关变异性。

Intersubject and dose-related variability after intravenous administration of erythromycin.

作者信息

Austin K L, Mather L E, Philpot C R, McDonald P J

出版信息

Br J Clin Pharmacol. 1980 Sep;10(3):273-9. doi: 10.1111/j.1365-2125.1980.tb01755.x.

Abstract

1 It is well-known that considerable variability and unpredictability in serum concentrations results from orally administered erythromycin. 2 Disposition kinetics and their variability were studies in 24 healthy subjects after a single dose of erythromycin lactobionate and four doses were studied to evaluate dose-related variability in five other subjects. 3 Erythromycin kinetics were adequately described by a classical two compartment open model with little intersubject variability. 4 Dose-related variability occurred. Clearance was independent of dose but T1/2 beta and Vdss increased with dose. 5 Data are presented to show that non-invasive sampling of urine and saliva are of limited value in studying erythromycin pharmacokinetics.

摘要
  1. 众所周知,口服红霉素后血清浓度会有相当大的变异性和不可预测性。

  2. 对24名健康受试者单次给予乳糖酸红霉素后研究了处置动力学及其变异性,并对另外5名受试者给予四剂药物以评估剂量相关变异性。

  3. 红霉素动力学可用经典的二室开放模型充分描述,个体间变异性较小。

  4. 出现了剂量相关变异性。清除率与剂量无关,但T1/2β和Vdss随剂量增加。

  5. 所提供的数据表明,尿液和唾液的非侵入性采样在研究红霉素药代动力学方面价值有限。

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Biliary excretion of erythromycin after parenteral administration.静脉注射后红霉素的胆汁排泄
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本文引用的文献

2
Demethylation of erythromycins by rabbit tissues in vitro.
Biochem Pharmacol. 1965 Jul;14(7):1049-58. doi: 10.1016/0006-2952(65)90033-x.
3
Variations in absorption of erythromycin.红霉素吸收的差异。
Med J Aust. 1969 Mar 1;1(9):449-51. doi: 10.5694/j.1326-5377.1969.tb92211.x.
6
Intestinal secretion of erythromycin base.
J Pharm Sci. 1976 Mar;65(3):417-9. doi: 10.1002/jps.2600650325.
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Erythromycin symposium: introduction.
Scott Med J. 1977 Dec;22(5):349-51. doi: 10.1177/00369330770220S101.
9
Influence of sex on drug kinetics in man.性别对人体药物动力学的影响。
Clin Pharmacokinet. 1977 May-Jun;2(3):157-66. doi: 10.2165/00003088-197702030-00001.

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