Behavioral effects of flibanserin
by
Borsini F, Brambilla A, Grippa N, Pitsikas N
Boehringer Ingelheim Italia, Milano, Italy.
Pharmacol Biochem Behav 1999 Sep; 64(1):137-46


ABSTRACT

Flibanserin is a 5-HT1A agonist that, in contrast to other 5-HT1A receptor agonists, is capable of activating 5-HT1A receptors in frontal cortex. Flibanserin also behaves as an antagonist at 5-HT2A receptors. This compound has been described to be a putative fast-acting antidepressant owing to these properties. In the present study, the effect of flibanserin was investigated in several behavioral paradigms different from animal models of depression. Intraperitoneal flibanserin, at doses of 4-8 mg/kg, antagonized d-amphetamine- and (+)SKF-10047- induced hypermotility in mice and rats. At doses of 816 mg/kg, flibanserin exerted anxiolytic-like effects in the light/dark exploratory test and stress-induced hyperthermia in mice, and antagonized d-amphetamine- and apomorphine-induced stereotypy in rats. At the dose of 16 mg/kg, flibanserin reduced spontaneous motor activity in rats. At the dose of 32 mg/kg, flibanserin did not exert any clear effect on spontaneous motor activity in mice, or on the elevated plus-maze and the water maze in rats.
TCAs
SSRIs
5-HT2
5-HT3
5-HT1a
5-HT1b
Anxiety
Gepirone
Aggression
Alnespirone
MDMA and 5-HT1a
Suicide and 5-HT1a
5-HT1a and F11440
Flibanserin (Ectris): pharmacology
Flibanserin : a female aphrodisiac?


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