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NIDA Notes Articles: 09/2012

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Animal Research Advances Effort to Develop Vaccines Against Cocaine, Heroin Abuse

September 2012

New vaccines that aim to promote recovery from cocaine and heroin abuse showed promise in animal testing. Both vaccines induced rats’ immune system to produce high titers of antibodies that inhibit the target drug from reaching the brain. The rats’ behaviors when given access to the target drug indicated that the vaccines reduced the reinforcing effects that, in recovering people, can cause lapses to turn into relapses.

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