Rapid quantitative determination of underivatized carbamazepine, phenytoin, phenobarbital and p-hydroxyphenobarbital in biological fluids by packed column gas chromatography

R. Riva, F. Albani, A. Baruzzi

Research output: Chapter in Book/Report/Conference proceedingChapter

15 Citations (Scopus)

Abstract

A method is described for measuring, without derivatization, the concentrations of phenobarbital, p-hydroxyphenobarbital, carbamazepine and phenytoin in biological fluids of epileptic patients undergoing long-term therapy. This method uses, at an isothermal temperature, a special column packing (GP-2% SP-2510-DA on 100-120 mesh Supelcoport). The lower limit of detection for all substances analyzed is 1 μg/ml of biological material. The recovery of the compounds is about 95%, the reproducibility of the method is good (coefficient of variation, 4.3%). The mass spectra confirm the identity of substances eluting from the column. There is no interference from other commonly used antiepileptic drugs or endogenous substances. The method has the advantages of high specificity, sensitivity and rapidity and it appears to be suitable for the routine monitoring of blood and urine concentrations in patients receiving multi-drug therapy.

Original languageEnglish
Title of host publicationJournal of Chromatography
Pages75-84
Number of pages10
Volume221
Edition1
Publication statusPublished - 1980

Fingerprint

Drug therapy
Column chromatography
Carbamazepine
Phenytoin
Phenobarbital
Gas chromatography
Gas Chromatography
Anticonvulsants
Biological materials
Blood
Recovery
Fluids
Monitoring
Temperature
Limit of Detection
Urine
Drug Therapy
Sensitivity and Specificity

ASJC Scopus subject areas

  • Clinical Biochemistry
  • Molecular Medicine

Cite this

Rapid quantitative determination of underivatized carbamazepine, phenytoin, phenobarbital and p-hydroxyphenobarbital in biological fluids by packed column gas chromatography. / Riva, R.; Albani, F.; Baruzzi, A.

Journal of Chromatography. Vol. 221 1. ed. 1980. p. 75-84.

Research output: Chapter in Book/Report/Conference proceedingChapter

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