Last updated on March 2018

The Relationship Among Changes in Brain Network Activation in Adult Outpatients With Major Depressive Disorder


Brief description of study

The purpose of this study is to explore patterns of Brain Network Activation (BNA) changes from baseline to endpoint on 1) efficacy of core symptoms of Major Depressive Disorder (MDD) and 2) improvement of cognitive dysfunction with acute treatment with flexible dose vortioxetine in adult outpatients with MDD and subjective complaints of cognitive dysfunction.

Detailed Study Description

Vortioxetine is a novel antidepressant with hypothetical multimodal mechanism of action. It is thought to work through a combination of multiple pharmacological modes of action: 5-HT (hydroxytryptamine, or serotonin) reuptake inhibition, 5-HT3 (hydroxytryptamine, or serotonin) and 5-HT7 (hydroxytryptamine, or serotonin) receptor antagonism, 5-HT1A (hydroxytryptamine, or serotonin) receptor agonism, and 5-HT1B (hydroxytryptamine, or serotonin) receptor partial agonism. In vivo nonclinical studies have demonstrated that vortioxetine enhances levels of the neurotransmitters 5-HT (hydroxytryptamine, or serotonin), norepinephrine (NE), dopamine (DA), acetylcholine and histamine in specific areas of the brain. These affinities are all considered to be of clinical relevance and involved in the mechanism of action at therapeutic doses.

Vortioxetine has been shown to improve core depressive symptoms and improve cognitive function in adult outpatients with MDD and subjective complaints of cognitive function. This pilot study is intended to evaluate the extent to which BNA technology can provide clinically valuable information and provide information toward designing a subsequent confirmatory study that will further elucidate the effect of vortioxetine on MDD and cognitive function in this population. This exploratory study will ascertain the acute changes in core depression symptoms, cognitive function, tolerability, and safety using flexible-dose vortioxetine in adult outpatients with MDD with subjective complaints of cognitive functioning, as measured by BNA changes and standard outcome measures for depression and cognition.

The study consists of 8 weeks of open-label treatment for MDD with response to treatment measured by standard research depression scales and BNA electroencephalogram (EEG) readings taken at certain points during the trial. An important aim in this study is to explore what correlations may exist between changes in measured brainwave patterns and reported change in depressive symptoms

Clinical Study Identifier: NCT02749721

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Linda Skaggs

Rush University Medical Center
Skokie, IL United States
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