Changes in Primidone/Phenobarbitone Ratio During Pregnancy and the Puerperium

D. Battino, S. Binelli, L. Bossi, M. L. Como, D. Croci, C. Cusi, G. Avanzini

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Plasma concentrations of primidone and its metabolite phenobarbitone were monitored in 9 pregnant epileptic patients treated with primidone (and in 3 cases other antiepileptic drugs) given at constant doses throughout pregnancy and the Puerperium. Phenobarbitone plasma concentrations were monitored in another 6 patients given phenobarbitone itself. A trend towards increasing primidone plasma concentrations during the second quarter of pregnancy was evident in all patients, with a concomitant significant decrease in primidone-derived phenobarbitone plasma concentrations. A trend towards a lowering of plasma concentrations of phenobarbitone administered as such was confirmed. These results suggest the usefulness of a careful monitoring of primidone and primidone-derived phenobarbitone during pregnancy and the Puerperium. Discrepancies of findings with primidone and phenobarbitone are discussed in view of the possible mechanism involved.

Original languageEnglish
Pages (from-to)252-260
Number of pages9
JournalClinical Pharmacokinetics
Volume9
Issue number3
DOIs
Publication statusPublished - 1984

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Primidone
Phenobarbital
Postpartum Period
Pregnancy
Anticonvulsants

ASJC Scopus subject areas

  • Pharmacology (medical)
  • Pharmacology
  • Pharmacology, Toxicology and Pharmaceutics(all)

Cite this

Changes in Primidone/Phenobarbitone Ratio During Pregnancy and the Puerperium. / Battino, D.; Binelli, S.; Bossi, L.; Como, M. L.; Croci, D.; Cusi, C.; Avanzini, G.

In: Clinical Pharmacokinetics, Vol. 9, No. 3, 1984, p. 252-260.

Research output: Contribution to journalArticle

Battino, D. ; Binelli, S. ; Bossi, L. ; Como, M. L. ; Croci, D. ; Cusi, C. ; Avanzini, G. / Changes in Primidone/Phenobarbitone Ratio During Pregnancy and the Puerperium. In: Clinical Pharmacokinetics. 1984 ; Vol. 9, No. 3. pp. 252-260.
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