Cited by 666Tryptophan and brain disordersTreatment of Major DepressionStress Responses and Cortisol

Inflammation and clinical response to treatment in depression: A meta-analysis

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Strawbridge, R., Arnone, D., Danese, A., Papadopoulos, A., Herane Vives, A., Cleare, A.J.·2015·European Neuropsychopharmacology

Abstract

The depressive state has been characterised as one of elevated inflammation, which holds promise for better understanding treatment-resistance in affective disorders as well as for future developments in treatment stratification. Aiming to investigate alterations in the inflammatory profiles of individuals with depression as putative biomarkers for clinical response, we conducted meta-analyses examining data from 35 studies that investigated inflammation before and after treatment in depressed patients together with a measure of clinical response. There were sufficient data to analyse IL-6, TNFα and CRP. Levels of IL-6 decreased with antidepressant treatment regardless of outcome, whereas persistently elevated TNFα was associated with prospectively determined treatment resistance. Treatment non-responders tended to have higher baseline inflammation, using a composite measure of inflammatory markers. Our findings suggest that elevated levels of inflammation are contributory to treatment resistance. Combining inflammatory biomarkers might prove a useful tool to improve diagnosis and detection of treatment refractoriness, and targeting persistent inflammation in treatment-resistant depression may offer a potential target for the development of novel intervention strategies.

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Crossref · 10.1016/j.euroneuro.2015.06.007

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Authors
Strawbridge, R., Arnone, D., Danese, A., Papadopoulos, A., Herane Vives, A., & Cleare, A. J.
Affiliations
King's College London (GB)
Corresponding author
Strawbridge, R.
Venue
European Neuropsychopharmacology
Publisher
Elsevier BV
Published
2015-10
Volume
25
Issue
10
Pages
1532-1543
ISSN
0924-977X (ISSN-L)
OpenAlex
W1922605075
Cited by
666
References
71
Citations by year
2026: 38 · 2025: 68 · 2024: 54 · 2023: 55 · 2022: 69 · 2021: 91 · 2020: 78 · 2019: 62 · 2018: 55 · 2017: 46 · 2016: 40 · 2015: 7 · 2012: 1
FWCI
2.77
Type
journal article
Language
en
Open access
Locations
  • European Neuropsychopharmacology (publishedVersion)
  • PubMed (publishedVersion)
  • Universidad de Chile (submittedVersion, cc-by-nc-nd)
Topics
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
depression, inflammation, treatment-resistant depression, antidepressant response, inflammatory markers, interleukin-6, TNF-α, C-reactive protein
MeSH terms
Depressive Disorder, Humans, Biomarkers

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