Phentermine/fenfluramine decreases cocaine self-administration in rhesus monkeys

Neuroreport
J R GlowaR B Rothman

Abstract

Dopaminergic agonists can decrease cocaine self-administration at doses that do not decrease food-maintained responding, a pre-clinical effect indicative of a potential treatment for human cocaine abuse. To assess whether similar effects could be obtained with medications currently used to treat substance abuse, phentermine and fenfluramine were given alone and in combination to rhesus monkeys responding under schedules of food and cocaine delivery. Phentermine decreased cocaine-maintained responding with no effect on food-maintained responding. Fenfluramine also selectively decreased cocaine-maintained responding, but only at the highest dose. Combining a lower dose of fenfluramine with phentermine selectively decreased cocaine-maintained responding, but not more than with phentermine alone. These results suggest that phentermine, as well as its combination with fenfluramine, may be useful in the treatment of cocaine abuse.

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Citations

Nov 13, 2003·European Journal of Pharmacology·Richard B Rothman, Michael H Baumann
Jul 16, 2013·Neuropharmacology·Kathryn A Cunningham, Noelle C Anastasio
Sep 24, 2013·Neuropharmacology·Christie D Fowler, Paul J Kenny
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Apr 17, 2021·Neuropharmacology·Katherine M SerafineEric P Zorrilla

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