What is "vigabatrin"

n. An anticonvulsant that inhibits the catabolism of GABA by irreversibly inhibiting GABA transaminase.

Vigabatrin, also known as gamma- vinyl- GABA, is an antiepileptic drug that inhibits the breakdown of γ-aminobutyric acid (GABA) by acting as a suicide inhibitor of GABA transaminase (GABA-T). It is a structural analog of GABA, but does not bind to GABA receptors. It is sold under the brand name Sabril.