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Addiction Medicine

Naltrexone pretreatment inhibits meth-induced behavioral sensitization in mice

Published in Drug Week, December 2nd, 2005

Naltrexone pretreatment inhibits methamphetamine-induced behavioral sensitization in a murine model.

"Repeated intermittent exposure to psychostimulants" has been "found to produce behavioral sensitization," researchers in the United States explained.

C.T. Chiu and colleagues at the University of Mississippi Medical Center conducted a study "to establish a mouse model and by which to investigate whether opioidergic system plays a role in methamphetamine-induced behavioral sensitization."

"Mice injected with 2.5 mg/kg of methamphetamine once a day for 7 consecutive days showed behavioral sensitization after challenge with 0.3125...

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