Factors Influencing Plasma Concentrations of Ethosuximide
作者:
G. A. Smith,
L. McKauge,
D. Dubetz,
J. H. Tyrer,
M. J. Eadie,
期刊:
Clinical Pharmacokinetics
(ADIS Available online 1979)
卷期:
Volume 4,
issue 1
页码: 38-52
ISSN:0312-5963
年代: 1979
出版商: ADIS
数据来源: ADIS
摘要:
The relation between steady-state plasma ethosuximide level and drug dose was studied in 46 patients. In this population, plasma drug levels were proportional to drug dose, expressed on a body weight basis. Age did not alter this relationship, but plasma levels increased more rapidly, relative to dose, in females than in males. Intake of methylphenobarbitone, but not intake of certain other anticonvulsants (phenytoin, phenobarbitone, primidone and carbamazepine) altered the relationship between plasma ethosuximide level and ethosuximide dose. In individual patients, successive dose increments of equal size produced progressively greater increases in steady-state plasma ethosuximide levels. This phenomenon has obvious therapeutic implications.
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