Vilazodone for the treatment of major depressive disorder: Focusing on its clinical studies and mechanism of action

Sheng Min Wang, Changsu Han, Soo Jung Lee, Ashwin A. Patkar, Prakash S. Masand, Chi Un Pae

    Research output: Contribution to journalReview articlepeer-review

    18 Citations (Scopus)

    Abstract

    We tried to review and update clinical and preclinical studies evaluating vilazodone’s role as an antidepressant for patients with major depressive disorder (MDD). In terms of its mechanism of actions, we sought to elaborate them mainly through preclinical animal studies. A data search was conducted in November 1, 2013, using the key terms “vilazodone” or “Viibryd,” in PubMed and Medline databases. All published and unpublished studies are included and citations from publications were also reviewed for additional references. Five unpublished, phase-II and two pivotal published phase-III clinical trials with nearly identical design (8-week, double-blind, randomized, and placebo-controlled) investigated efficacy of vilazodone, were found for the treatment of patients with MDD. Two post-hoc studies and one long-term open study were also included. Data were thoroughly reviewed to incorporate the pharmacology, action mechanism, efficacy and safety for the vilazodone in the treatment of major depressive disorder. Vilazodone is an antidepressant with novel mechanism of action because its chemical structure is unrelated to conventional antidepressant, and it has a selective serotonin (5-HT) reuptake inhibitor and 5-HT1A receptor partial agonist profile. Vilazodone is an effective and safe treatment option with its novel action mechanisms for patients with depression. Its putative benefits compared with other antidepressants must be thoroughly studied in adequately-powered and well-designed future clinical trials.

    Original languageEnglish
    Pages (from-to)155-163
    Number of pages9
    JournalPsychiatry Investigation
    Volume12
    Issue number2
    DOIs
    Publication statusPublished - 2015

    Keywords

    • Antidepressant
    • Efficacy
    • Novel mechanism
    • Safety
    • Vilazodone

    ASJC Scopus subject areas

    • Psychiatry and Mental health
    • Biological Psychiatry

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