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KMID : 1009020140120030180
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Clinical Psychopharmacology and Neuroscience
2014 Volume.12 No. 3 p.180 ~ p.188
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Protocol and Rationale-The Efficacy of Minocycline as an Adjunctive Treatment for Major Depressive Disorder: A Double Blind, Randomised, Placebo Controlled Trial
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Olivia May Dean
Michael Maes
Melanie Ashton
Lesley Berk
Buranee Kanchanatawan
Atapol Sughondhabirom
Sookjareon Tangwongchai
Chee Ng
Nathan Dowling
Gin S. Malhi
Michael Berk
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Abstract
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While current pharmacotherapies are efficacious, there remain a clear shortfall between symptom remission and functional recovery. With the explosion in our understanding of the biology of these disorders, the time is ripe for the investigation of novel therapies. Recently depression is conceptualized as an immune-inflammatory and nitro-oxidative stress related disorder. Minocycline is a tetracycline antibiotic that has anti-inflammatory, pro-oxidant, glutamatergic, neurotrophic and neuroprotective properties that make it a viable target to explore as a new therapy. This double blind, randomised, placebo controlled adjunctive trial will investigate the benefits of 200 mg/day of minocycline treatment, in addition to any usual treatment, as an adjunctive treatment for moderate-severe major depressive disorder. Sixty adults are being randomised to 12 weeks of treatment (with a 4 week follow-up post-discontinuation). The primary outcome measure for the study is mean change on the MontgomeryAsberg Depression Rating Scale (MADRS), with secondary outcomes including the Social and Occupational Functioning Assessment Scale (SOFAS), Clinical Global Impressions (CGI), Hamilton Rating Scale for Anxiety (HAM-A), Patient Global Impression (PGI), Quality of Life Enjoyment and Satisfaction Questionnaire (Q-LES-Q) and Range of Impaired Functioning Tool (LIFE-RIFT). Biomarker analyses will also be conducted at baseline and week 12. The study has the potential to provide new treatment targets, both by showing efficacy with a new class of ‘antidepressant’ but also through the analysis of biomarkers that may further inform our understanding of the pathophysiology of unipolar depression.
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KEYWORD
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Minocycline, Depression, Clinical research protocol, Inflammation, Oxidative stress
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