Cited by 79Treatment of Major DepressionMental Health Treatment and AccessPsychotherapy Techniques and Applications

The effect of treatment as usual on major depressive disorder: A meta-analysis

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Kolovos, Spyros, van Tulder, Maurits W., Cuijpers, Pim, Prigent, Amélie, Chevreul, Karine, Riper, Heleen, Bosmans, Judith E.·2017·Journal of Affective Disorders

Abstract

Background Health-economic models are used to evaluate the long-term cost-effectiveness of an intervention and typically include treatment as usual (TAU) as comparator. Part of the data used for these models are acquired from the literature and thus valid information is needed on the effects of TAU on depression. The aim of the current meta-analysis was to examine positive and negative outcomes of major depression for patients receiving TAU. Methods We conducted a systematic literature search in PubMed, EMBASE, PsycInfo, and the Cochrane Central Register of Controlled Trials. Eligible studies were randomized controlled trials including a TAU group for depression. The quality of the included studies was assessed using the criteria described in the "Risk of bias assessment tool". Four separate meta-analyses were performed to estimate remission, response, reliable change and deterioration rates at short-term (≤6 months from baseline). Results Thirty-eight studies including 2099 patients in the TAU were identified. Nine studies (24%) met five or six quality criteria, 17 studies (44%) met three or four quality criteria and 12 studies (32%) met one or two quality criteria. After adjusting for publication bias, the first meta-analysis (n=33) showed that 33% of the patients remitted from depression. The second meta-analysis (n=13) demonstrated that 27% of the patients responded to treatment, meaning that their depressive symptom decreased at least 50% from baseline to follow-up measurement. The third meta-analysis (n=7) indicated that 31% of the patients showed a reliable change, meaning that their depressive symptoms improved more than expected by random variation alone. Finally, 12% of the patients deteriorated, meaning that their depressive symptoms became more severe. Limitations Statistical heterogeneity was substantial in most analyses and was not fully explained by subgroup analyses. The quality of the included studies was moderate. This may result in overestimation of the true effects. Conclusions The treatments labelled as TAU for depression were clinically and statistically heterogeneous. We demonstrated that a few patients benefited from TAU and a small number of patients suffered from worsened depressive symptoms at the short term. The results can be included in health-economic models that compare depression treatments to TAU.

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  • Amelioration of depressive symptoms from first-line pharmacological or psychotherapy treatments occurs in less than 50% of individuals with MDD.

    “amelioration of depressive symptoms from first-line pharmacological or psychotherapy treatments occurs in less than 50 % of individuals with MDD (Cuijpers et al., 2013;Kolovos et al., 2017;Trivedi et al., 2006)”

    From Neurocognitive effects of theta burst stimulation for treatment-resistant depression in adults: A systematic review and recommendations for future research (2025) · cites this paper as Kolovos et al., 2017

    Section 3.4 (page not provided) reports a mean response rate of 25% for treatment-as-usual groups, supporting the less-than-50% figure. But section 3.2 says those treatments were heterogeneous and often insufficiently described to distinguish medication from psychotherapy. The paper does not establish that fewer than 50% respond specifically to first-line pharmacological or psychotherapy treatment. (LLM, conf=0.89)

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Research works printed but not linked: 1

  1. Health, N.C.Cf.M., 2010. Depression: the treatment and management of depression in adults (updated edition). Br. Psychol. Soc..

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Authors
Kolovos, S., van Tulder, M. W., Cuijpers, P., Prigent, A., Chevreul, K., Riper, H., & Bosmans, J. E.
Affiliations
  • Amsterdam Public Health (NL)
  • Assistance Publique – Hôpitaux de Paris (FR)
  • Sorbonne Paris Cité (FR)
Corresponding author
Kolovos, Spyros
Venue
Journal of Affective Disorders
Publisher
Elsevier BV
Published
2017-03
Volume
210
Pages
72-81
ISSN
0165-0327 (ISSN-L)
OpenAlex
W2566701931
Cited by
79
References
56
Citations by year
2026: 4 · 2025: 15 · 2024: 8 · 2023: 9 · 2022: 7 · 2021: 12 · 2020: 7 · 2019: 5 · 2018: 7 · 2017: 4
FWCI
0.61
Type
journal article
Language
en
Open access
Locations
  • Journal of Affective Disorders (publishedVersion)
  • PubMed (publishedVersion)
  • Amsterdam UMC (VU Amsterdam) - Institutional Repository (publishedVersion)
  • VU Research Portal (publishedVersion, other-oa)
  • Pure Amsterdam UMC (submittedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
Topics
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Social Sciences › Psychology › Social Psychology › Mental Health Treatment and Access
  • Social Sciences › Psychology › Clinical Psychology › Psychotherapy Techniques and Applications
Keywords
usual care, major depressive disorder, remission, treatment response, reliable change, symptom deterioration, health economic models, cost-effectiveness
MeSH terms
Major Depressive Disorder, Depressive Disorder, Major, Humans, Psychotherapy, Treatment Outcome

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