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The purpose of this study is to evaluate the sensitivity of the THINC-it tool, in measuring change in cognitive deficits in individuals with MDD after receiving vortioxetine.
Full description
Vortioxetine is used in this study as an antidepressant to improve mood, cognition and quality of life. "Cognition" refers to intellectual functions such as thinking, understanding, learning and remembering. Vortioxetine is approved by Health Canada for the treatment of MDD. In addition, vortioxetine has been reported to have a beneficial effect on cognitive areas such as executive function, attention/speed of processing, and memory, that are commonly affected negatively by MDD. Vortioxetine is recognized by Health Authorities in the EU and many other countries as having a benefit on cognitive dysfunction (loss of intellectual functions) in patients with MDD.Cognitive dysfunction is a highly persistent, pervasive and progressive abnormality in young adults (i.e., 18-65 years) with MDD.
It has also been shown that among adults with MDD who are gainfully employed, measures of cognition are a greater determinant of overall workplace performance than is total depression symptom severity. Several lines of evidence indicate that cognitive deficits that persist between episodes of depression are critical determinants of functional recovery in the workplace. The functional implications associated with cognitive impairment provide the impetus for systematic evaluation, measurement and assessment of the domains of cognition expected to be impaired in this patient population.
To date, no measurement tool has been sufficiently validated and/or determined to be sensitive to the cognitive deficits in younger adults with MDD. Major limitations of available comprehensive psychometric tools include relative lack of availability, cost, lack of access to most healthcare providers, and above all else, the lengthy time to administer. Moreover, the need for a psychometrist to interpret the results adds to the complexity and the costliness of such an endeavor.
It is imperative that any tool recommended for clinical utility be aligned with the busy nature of a high-volume clinical practice. The ideal gold standard tool for assessing the presence of cognitive dysfunction in MDD in the clinical environment should include, but not be limited to, features such as good conceptual coverage of cognitive domains affected in MDD, good sensitivity and reliability, and it should be relatively uninfluenced by culture effects and practice effects. The tool would also need to be brief, easy to administer and interpret, and complement busy clinical practice.
It is anticipated that the THINC-it tool will be free of charge and downloadable from the THINC-it website for use in the primary care and specialty setting. The THINC-it tool will be accessible via computers/tablets, will take 20 minutes to self-administer in a clinical setting, and the performance results will be immediately available.
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158 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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