Randomized, Double-Blind, Placebo Controlled Study of Vilazodone's Efficacy, Safety, and Biomarkers of Response in Major Depressive Disorder (MDD)

Summary

This randomized, double-blind, placebo-controlled, multicenter, 8-week, clinical trial is designed to assess the efficacy and safety of vilazodone and to evaluate genetic biomarkers of treatment response associated with vilazodone use in adult patients diagnosed with MDD by the DSM-IV-TR criteria.

Timeline

Start

2008-03

Primary completion

2009-02

Completion

2009-03

Outcome

Met primary endpoint

registry p = 0.009; Difference in Least Squares Mean Change -2.5 (95% CI -4.4 to -0.6); ANCOVA NCT00683592 ↗

paper Vilazodone-treated patients had significantly greater improvement (P = .009) according to the MADRS than placebo patients (intent-to-treat; least-squares mean changes: -13.3, -10.8). PMID 21527122 ↗

Publications

• Kornstein S, Chang CT, Gommoll CP, Edwards J. Vilazodone efficacy in subgroups of patients with major depressive disorder: a post-hoc analysis of four randomized, double-blind, placebo-controlled trials. Int Clin Psychopharmacol. 2018 Jul;33(4):217-223. doi: 10.1097/YIC.0000000000000217.
• Culpepper L, Mathews M, Ghori R, Edwards J. Clinical relevance of vilazodone treatment in patients with major depressive disorder: categorical improvement in symptoms. Prim Care Companion CNS Disord. 2014;16(1):PCC.13m01571. doi: 10.4088/PCC.13m01571. Epub 2014 Jan 30.
• Jain R, Chen D, Edwards J, Mathews M. Early and sustained improvement with vilazodone in adult patients with major depressive disorder: post hoc analyses of two phase III trials. Curr Med Res Opin. 2014 Feb;30(2):263-70. doi: 10.1185/03007995.2013.855188. Epub 2013 Oct 31.
• Clayton AH, Kennedy SH, Edwards JB, Gallipoli S, Reed CR. The effect of vilazodone on sexual function during the treatment of major depressive disorder. J Sex Med. 2013 Oct;10(10):2465-76. doi: 10.1111/jsm.12004. Epub 2012 Dec 6.
• 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. doi: 10.1185/03007995.2011.628303. Epub 2011 Nov 23.
• Khan A, Cutler AJ, Kajdasz DK, Gallipoli S, Athanasiou M, Robinson DS, Whalen H, Reed CR. A randomized, double-blind, placebo-controlled, 8-week study of vilazodone, a serotonergic agent for the treatment of major depressive disorder. J Clin Psychiatry. 2011 Apr;72(4):441-7. doi: 10.4088/JCP.10m06596.

Drugs

Evaluation	Drug	Modality	Dose	Route
Subject	Vilazodone	Small molecule	40 mg	Oral

Indications