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. 1982;232(3):215-22.
doi: 10.1007/BF02141782.

Role of oxidation polymorphism on blood and urine concentrations of amitriptyline and its metabolites in man

A E Balant-Gorgia, P Schulz, P Dayer, L Balant, A Kubli, C Gertsch, G Garrone

Role of oxidation polymorphism on blood and urine concentrations of amitriptyline and its metabolites in man

A E Balant-Gorgia et al. Arch Psychiatr Nervenkr (1970). 1982.

Abstract

We have measured the metabolites (demethylated and hydroxylated) of amitriptyline in a group of seven normal volunteers. They were phenotyped as extensive or poor metabolizers using debrisoquine and bufuralol. The results demonstrate that the oxidative metabolism (aliphatic hydroxylation) of amitriptyline is under the same genetic control as that of debrisoquine and bufuralol. However, phenotypic polymorphism cannot be used to predict amitriptyline blood concentration after a single oral dose, since the principal metabolic pathway of amitriptyline is demethylation and not aliphatic hydroxylation.

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