DISPOSITION OF PHENYTOIN AND PHENOBARBITONE IN THE ISOLATED PERFUSED HUMAN PLACENTA
- 1 November 1988
- journal article
- Published by Wiley in Clinical and Experimental Pharmacology and Physiology
- Vol. 15 (11) , 827-836
- https://doi.org/10.1111/j.1440-1681.1988.tb01025.x
Abstract
B1. The disposition of the anti‐epileptic agents phenytoin (PHT) and pheno‐barbitone (PB) was investigated in lobules of term human placentae perfused using separate maternal and fetal circulations for 6 h periods.2. No evidence for metabolism of PHT or PB to their p‐hydroxylated or other derivatives was found either in perfused lobules or by incubation with placental microsomes.3. Both PHT and PB were readily transferred across the placenta after administration to either the maternal or fetal perfusates.4. PHT, unlike PB, showed considerable accumulation in placental tissue.Keywords
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