Definitions for vigabatrin
An anticonvulsant that inhibits the catabolism of GABA by irreversibly inhibiting GABA transaminase.
U.S. National Library of Medicine
An analogue of GAMMA-AMINOBUTYRIC ACID. It is an irreversible inhibitor of 4-AMINOBUTYRATE TRANSAMINASE, the enzyme responsible for the catabolism of GAMMA-AMINOBUTYRIC ACID. (From Martindale The Extra Pharmacopoeia, 31st ed)