A Review of the Conceptualisation and Risk Factors Associated with Treatment-Resistant Depression.

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Author
Murphy, JA; Sarris, J; Byrne, GJDate
2017Source Title
Depression Research and TreatmentPublisher
Hindawi LimitedAffiliation
PsychiatryMetadata
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Journal ArticleCitations
Murphy, J. A., Sarris, J. & Byrne, G. J. (2017). A Review of the Conceptualisation and Risk Factors Associated with Treatment-Resistant Depression.. Depress Res Treat, 2017, pp.4176825-. https://doi.org/10.1155/2017/4176825.Access Status
Open AccessOpen Access at PMC
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5559917Abstract
Major depression does not always remit. Difficult-to-treat depression is thought to contribute to the large disease burden posed by depression. Treatment-resistant depression (TRD) is the conventional term for nonresponse to treatment in individuals with major depression. Indicators of the phenomenon are the poor response rates to antidepressants in clinical practice and the overestimation of the efficacy of antidepressants in medical scientific literature. Current TRD staging models are based on anecdotal evidence without an empirical rationale to rank one treatment strategy above another. Many factors have been associated with TRD such as inflammatory system activation, abnormal neural activity, neurotransmitter dysfunction, melancholic clinical features, bipolarity, and a higher traumatic load. This narrative review provides an overview of this complex clinical problem and discusses the reconceptualization of depression using an illness staging model in line with other medical fields such as oncology.
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