Aminoaciduria resulting from vigabatrin administration in children with epilepsy

Eli Lahat*, Bruria Ben-Zeev, Joseph Zlotnik, Ben Ami Sela

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Vigabatrin (γ-vinyl gamma aminobutyric acid), a recently developed antiepileptic drug, has been extensively evaluated in the treatment of drug- resistant epilepsy. Several case reports demonstrated that vigabatrin affects urinary excretion of several amino and organic acids. Fourteen children were investigated for the presence of abnormal urinary amino acids before and after treatment with vigabatrin. All demonstrated increased urinary excretion of amino acids, particularly β-alanine, γ-aminobutyric acid, and β- aminoisobutyric acid while on vigabatrin, which were not detected when off medication. These results emphasize the importance of obtaining urine for metabolic evaluation before the administration of vigabatrin.

Original languageEnglish
Pages (from-to)460-463
Number of pages4
JournalPediatric Neurology
Issue number1
StatePublished - Jul 1999
Externally publishedYes


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