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Br J Clin Pharmacol. 1982 Apr;13(4):547-52.

Serum protein binding and free concentration of phenytoin and phenobarbitone in pregnancy.

Abstract

1 The effect of pregnancy on the binding of phenytoin and phenobarbitone to serum proteins was studied in normal women and in drug treated epileptic women. 2 The binding of both drugs was reduced during pregnancy. The reduction correlated positively with the gestational age and negatively with the serum albumin concentration. 3 In spite of the increase in unbound fraction, both the total and free serum concentrations of phenytoin were decreased in late pregnancy.

PMID:
7066170
PMCID:
PMC1402062
[Indexed for MEDLINE]
Free PMC Article
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