Cocaine vaccine uses mutated cholera bacteria

Program length – 7:15

Cocaine vaccine leads addicts to
use 10 times more cocaine

Washington Post

Scientists may have created a vaccine against cocaine addiction: a series of shots that changes the body’s chemistry so that the drug can’t enter the brain and provide a high.

The vaccine, called TA-CD, shows promise but could also be dangerous; some of the addicts participating in a study of the vaccine started doing massive amounts of cocaine in hopes of overcoming its effects, according to Thomas R. Kosten, the lead researcher on the study, which was published in the Archives of General Psychiatry in October.

“After the vaccine, doing cocaine was a very disappointing experience for them,” said Kosten, a professor of psychiatry and neuroscience at Baylor College of Medicine in Houston.

Nobody overdosed, but some of them had 10 times more cocaine coursing through their systems than researchers had encountered before, according to Kosten. He said some of the addicts reported to researchers that they had gone broke buying cocaine from multiple drug dealers, hoping to find a variety that would get them high.

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