Cited by 318Obsessive-Compulsive Spectrum DisordersAnxiety, Depression, Psychometrics, Treatment, Cognitive ProcessesPsychoanalysis and Psychopathology Research

Meta-analysis of the dose-response relationship of SSRI in obsessive–compulsive disorder

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Bloch, M H, McGuire, J, Landeros-Weisenberger, A, Leckman, J F, Pittenger, C·2010·Molecular Psychiatry

Abstract

We sought to determine differences in efficacy and tolerability between different doses of selective serotonin reuptake inhibitors in the treatment of obsessive-compulsive disorder (OCD) using meta-analysis. We identified 9 studies involving 2268 subjects that were randomized, double-blind placebo-controlled clinical trials that compared multiple, fixed-doses of selective serotonin reuptake inhibitors (SSRIs) to each other and to placebo in the treatment of adults with OCD. Change in Y-BOCS score, proportion of treatment responders, and dropouts (all-cause and due to side-effects) were determined for each included study. Weighted mean difference was used to examine mean change in Y-BOCS score. Pooled absolute risk difference was used to examine dichotomous outcomes. Meta-analysis was performed using a fixed effects model in RevMan 4.2.8. We found that compared with either low or medium doses, higher doses of SSRIs were associated with improved treatment efficacy, using either Y-BOCS score or proportion of treatment responders as an outcome. Dose of SSRIs was not associated with the number of all-cause dropouts. Higher doses of SSRIs were associated with significantly higher proportion of dropouts due to side-effects. These results suggests that higher doses of SSRIs are associated with greater efficacy in the treatment of OCD. This SSRI efficacy pattern stands in contrast to other psychiatric disorders like Major Depressive Disorder. This greater treatment efficacy is somewhat counterbalanced by the greater side-effect burden with higher doses of SSRIs. At present, there are insufficient data to generalize these findings to children or adolescents with OCD.

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  • SSRIs are generally prescribed in OCD at much higher doses than is the typically recommended dose for SSRI use in depression and anxiety disorders.

    “SSRIs are generally prescribed in OCD at much higher doses than is the typically recommended dose for SSRI use in depression and anxiety disorders (Bloch et al., 2010).”

    From The role of habit in compulsivity (2016) · cites this paper as Bloch et al., 2010

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  1. [22]Dominguez RA Serotonergic antidepressants and their efficacy in obsessive compulsive disorder J Clin Psychiatry 1992 53 Suppl 56 59 1429485

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Authors
Bloch, M. H., McGuire, J., Landeros-Weisenberger, A., Leckman, J. F., & Pittenger, C.
Affiliations
Yale University (US)
Corresponding author
Bloch, M H
Venue
Molecular Psychiatry
Published
2009-05-26
Volume
15
Issue
8
Pages
850-855
ISSN
  • 1359-4184 (ISSN-L)
  • 1476-5578
OpenAlex
W2101582587
Cited by
317
References
23
Citations by year
2026: 24 · 2025: 23 · 2024: 24 · 2023: 20 · 2022: 22 · 2021: 15 · 2020: 14 · 2019: 23 · 2018: 17 · 2017: 15 · 2016: 17 · 2015: 34 · 2014: 22 · 2013: 12 · 2012: 17
FWCI
1.54
Type
journal article
Language
en
Open access
Locations
  • Molecular Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute of Mental Health (R34MH083115, K08MH081190, K05MH076273, K23MH091240, T32MH018268)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Obsessive-Compulsive Spectrum Disorders
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Social Sciences › Psychology › Clinical Psychology › Psychoanalysis and Psychopathology Research
Keywords
obsessive-compulsive disorder, selective serotonin reuptake inhibitors, dose-response relationship, treatment efficacy, tolerability, adverse effects, treatment discontinuation, Yale-Brown Obsessive Compulsive Scale, antidepressant dosing
MeSH terms
Analysis of Variance, Dose-Response Relationship, Drug, Double-Blind Method, Female, Humans, Male, Obsessive-Compulsive Disorder, Randomized Controlled Trials as Topic, Outcome Assessment, Health Care, Selective Serotonin Reuptake Inhibitors

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