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Evidence suggests that serotonin may play a role in cocaine craving among substance abusers, according to an article published in The American Journal on the Addictions.
Investigators Laure Buydens-Branchey, M.D., and colleagues from the SUNNY Health Science Center in Brooklyn, say that the administration of meta-chlorophenylpiperazine (m-CPP), a serotonin agonist, can significantly reduce feelings of craving in cocaine addicts, suggesting that serotonin systems play a role in the complex experience called craving. Studies in laboratory rats have shown that manipulations of the serotonin brain system will reduce cocaine self-administration.
The investigators studied response to m-CPP in a group of 31 male cocaine addicts who were hospitalized in an inpatient drug…