Vilazodone Hydrochloride

Vilazodone Hydrochloride is a serotonin transporter (SER) inhibitor and 5-HT1A receptor partial agonist.

Signaling Pathways >> GPCR/G Protein >> 5-HT Receptor

Signaling Pathways >> Neuronal Signaling >> 5-HT Receptor

Signaling Pathways >> Neuronal Signaling >> Serotonin Transporter

Research Areas >> Neurological Disease

5-HT1A Receptor

Administration of 5-HT1A receptor agonists produce a characteristic behavioral syndrome that includes changes in posture, hind limb reduction, head weaving, tremors, forepaw treading, and straub tail. In the rat ultrasonic vocalizations test, stress-induced vocalizations are inhibited by Vilazodone (55 mg/kg po) at 120 and 210 min post dose. Vilazodone (20-40 mg/kg ip), administered acutely or prophylactically (1 week prior to behavioral testing), attenuated stress induces potentiated startle but has no effect on stress potentiated anxiety response in the elevated plus maze. Interestingly, a lower dose of 10 mg/kg of Vilazodone has the opposite effect in the startle response, indicating a somewhat unexplained bidirectional effect, and all doses produce a potentiation of the startle-induced stress response possibly suggestive of an anxiogenic-like response[1]. Vilazodone also represents another option for the treatment of MDD[2].

[1]. Lee A. Dawson et al. Vilazodone: A 5-HT1A Receptor Agonist/Serotonin Transporter Inhibitor for the Treatment of Affective Disorders CNS Neuroscience & Therapeutics Volume 15, Issue 2, pages 107-117, June 2009

[2]. Reed CR, Kajdasz DK, Whalen H, Athanasiou MC, Gallipoli S, Thase ME.The efficacy profile of vilazodone, a novel antidepressant for the treatment of major depressive disorder.Curr Med Res Opin. 2012 Jan;28(1):27-39.

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