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Hope for Treating Relapse to Methamphetamine Abuse

Posted Nov 15 2008 2:46pm

A new study at the U.S. Department of Energy’s (DOE) Brookhaven National Laboratory suggests that vigabatrin (a.k.a. gamma vinyl-GABA, or GVG) blocks drug-seeking behavior in animals previously trained to associate methamphetamine with a particular environment. Specifically, animals pre-treated with vigabatrin lost interest in spending time in a location where they had previously been given methamphetamine. The results will appear in the February 2009 issue of Synapse, now available online.

“Reinstatement of drug-seeking behavior after an extended period of abstinence is the number-one cause of drug-addiction relapse,” said Brookhaven neuroanatomist Stephen Dewey, who led the research team. “This animal study suggests that vigabatrin could potentially prevent human methamphetamine addicts from relapsing.”

According to the National Institute on Drug Abuse, methamphetamine is a very addictive stimulant that is quickly becoming an American public health epidemic. There is currently no effective treatment for methamphetamine addiction.

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