The effect of sucralfate on the steady-state serum concentrations of phenytoin. 1989

R Malli, and W N Jones, and J P Rindone, and E L Labadie
Veterans Administration Medical Centre, Tucson, AZ 85723.

The effect of sucralfate on steady-state phenytoin concentrations was evaluated in 6 normal volunteers. The subjects took phenytoin at bedtime until steady-state was confirmed (8 to 9 days) and then took in addition sucralfate 1g four times daily for a further 7 days. Serum phenytoin concentrations were measured on days 1, 3, and 7 of sucralfate administration. Measured phenytoin concentrations were 10.9 +/- 3.0 mcg/ml and 11.0 +/- 3.1 mcg/ml before sucralfate and 10.8 +/- 3.1 mcg/ml, 11.4 +/- 3.2 mcg/ml, and 11.1 +/- 2.5 mcg/ml during sucralfate administration (p greater than 0.05; ANOVA). These results suggest there is not a significant drug interaction between sucralfate and phenytoin.

UI MeSH Term Description Entries
D008297 Male Males
D010672 Phenytoin An anticonvulsant that is used to treat a wide variety of seizures. It is also an anti-arrhythmic and a muscle relaxant. The mechanism of therapeutic action is not clear, although several cellular actions have been described including effects on ion channels, active transport, and general membrane stabilization. The mechanism of its muscle relaxant effect appears to involve a reduction in the sensitivity of muscle spindles to stretch. Phenytoin has been proposed for several other therapeutic uses, but its use has been limited by its many adverse effects and interactions with other drugs. Diphenylhydantoin,Fenitoin,Phenhydan,5,5-Diphenylhydantoin,5,5-diphenylimidazolidine-2,4-dione,Antisacer,Difenin,Dihydan,Dilantin,Epamin,Epanutin,Hydantol,Phenytoin Sodium,Sodium Diphenylhydantoinate,Diphenylhydantoinate, Sodium
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D013392 Sucralfate A basic aluminum complex of sulfated sucrose. Aluminum Sucrose Sulfate,Antepsin,Basic Aluminum Sucrose Sulfate,Carafate,Ulcerban,Ulcogant,Ulsanic,Sulfate, Aluminum Sucrose
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor

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