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Copyright © 1999 by Institute of Pharmacology Polish Academy of Sciences |
Pol. J. Pharmacol., 1999, 51, 317-322 ISSN 1230-6002 |
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Pharmacological proflile of milnacipran, a new antidepressant, given acutely.
Z. ROGÓŻ, G. SKUZA, J. MAJ. Pol. J. Pharmacol., 1999, 51, 317-322. Pharmacological effects of acute treatment with milnacipran (MIL), a clinically active antidepressant (a noradrenaline [NA] and 5-hydroxytryptamine [5-HT] reuptake inhibitor without any affinity for neurotransmitter receptors) were studied in mice and rats. MIL inhibited the reserpine- or apomorphine-induced hypothermia in mice and enhanced the L-5-hydroxytryptophan-induced head twitches in rats. It reduced the immobility time in Porsolt’s test in mice and rats, but either did not change the locomotor activity (mice) or decreased it (rats). MIL changed neither the clonidine-induced aggressiveness in mice nor the behavioral syndrome induced by oxotremorine in rats. The obtained results indicate that MIL, given acutely, shows a pharmacological profile similar to that of tricyclic NA and 5-HT reuptake inhibitors. In contrast to the antidepressants mentioned above, MIL does not exhibit an alpha1-adrenolytic or cholinolytic activity (in vivo tests). Key words: milnacipran, behavioral antidepressant tests, mice, rats |
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