Abstract
Vilazodone, a novel antidepressant agent that combines selective serotonin reuptake inhibitor (SSRI) activity and serotonin 5-HT1A receptor partial agonist activity in a single molecule, is indicated for the treatment of major depressive disorder (MDD) in the US. It is administered orally, once daily, with food.
At the recommended dosage of 40 mg/day, vilazodone was effective in the short-term treatment of MDD in adults, as evidenced by significant improvements versus placebo on multiple measures of depression, including the Montgomery-Åsberg Depression Rating Scale (MADRS) and the 17-item Hamilton Rating Scale for Depression (HAM-D-17), in two pivotal, 8-week, randomized, double-blind, phase III studies.
Significant differences between vilazodone and placebo on the MADRS and HAM-D-17 were seen after 1 week of treatment (first efficacy timepoint) in one of the two studies.
Long-term treatment with vilazodone 40mg/day was associated with an improvement from baseline in depressive symptoms in a 52-week, noncomparative, phase III study.
Vilazodone was generally well tolerated in the short- and long-term treatment of MDD, with diarrhoea and nausea being the most frequently occurring treatment-emergent adverse events.
Vilazodone had a minimal impact on sexual functioning in the three phase III studies.
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Acknowledgements
This manuscript was reviewed by: C. Dolder, School of Pharmacy, Wingate University, Wingate, NC, USA; R.H. Howland, University of Pittsburgh School of Medicine, Western Psychiatric Institute and Clinic, Pittsburgh, PA, USA; D.V. Iosifescu, Mount Sinai School of Medicine, New York, NY, USA; M.E. Thase, Department of Psychiatry, University of Pennsylvania, Philadelphia, PA, USA.
The preparation of this review was not supported by any external funding. During the peer review process, the manufacturer of the agent under review was offered an opportunity to comment on this article. Changes resulting from comments received were made on the basis of scientific and editorial merit.
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Frampton, J.E. Vilazodone. CNS Drugs 25, 615–627 (2011). https://doi.org/10.2165/11207550-000000000-00000
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DOI: https://doi.org/10.2165/11207550-000000000-00000