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DOI:
https://doi.org/10.1002/14651858.CD011006.pub3Copy DOI
Database:
  1. Cochrane Database of Systematic Reviews
Version published:
  1. 23 April 2018see what's new
Type:
  1. Intervention
Stage:
  1. Review
Cochrane Editorial Group:
  1. Cochrane Gynaecological, Neuro-oncology and Orphan Cancer Group

Copyright:
  1. Copyright © 2018 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd.

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Authors

  • Giovanni Ostuzzi

    Correspondence to: ​Department of Neuroscience, Biomedicine and Movement Sciences, Section of Psychiatry, University of Verona, Verona, Italy

    [email protected]

  • Faith Matcham

    Department of Psychological Medicine, The Institute of Psychiatry, King's College London, London, UK

  • Sarah Dauchy

    Chef du Département Interdisciplinaire de Soins de Support, Gustave Roussy, Paris, France

  • Corrado Barbui

    Department of Neuroscience, Biomedicine and Movement Sciences, Section of Psychiatry, University of Verona, Verona, Italy

  • Matthew Hotopf

    Department of Psychological Medicine, The Institute of Psychiatry, King's College London, London, UK

Contributions of authors

GO, CB and MH planned the study. GO and FM retrieved and selected the studies, extracted the data and performed the quality assessment. GO and CB ran the analysis. GO drafted the manuscript, which was critically revised by FM, SD, CB and MH.

Sources of support

Internal sources

  • Department of Public Health and Community Medicine, Section of Psychiatry, University of Verona, Italy.

    CB receives salary support from the University of Verona. GO is a PhD student and receives salary support in the form of a public grant from the Italian Ministry of Health.

  • Department of Psychological Medicine, The Institute of Psychiatry, King's College London, UK.

    MH and FM receive salary support from the National Institute for Health Research (NIHR) Mental Health Biomedical Research Centre at South London and Maudsley NHS Foundation Trust and King’s College London.

  • Département Interdisciplinaire de Soins de Support, Gustave Roussy, France.

    SD receives salary support from the Institute Gustave Roussy, Paris.

External sources

  • No sources of support supplied

Declarations of interest

Giovanni Ostuzzi ‐ nothing to declare
Faith Matcham ‐ nothing to declare
Sarah Dauchy ‐ nothing to declare
Corrado Barbui ‐ nothing to declare
Matthew Hotopf ‐ nothing to declare

Sarah Dauchy conducted a multi‐centre trial of participants with cancer and depressive symptoms that compared the efficacy of escitalopram versus placebo. This trial was supported financially by the Institut Gustave‐Roussy and Lundbeck. To prevent bias the author was not involved in assessing the eligibility of the study, or in the extraction of data and quality assessment.

Acknowledgements

The authors thank Robin Grant and Alasdair Rooney for their clinical expertise, Gail Quinn and Clare Jess (Managing Editors), Tracey Harrison (Assistant Managing Editor), Joanne Platt (Cochrane Information Specialist) from Cochrane Gynaecological, Neuro‐oncology and Orphan Cancers. They also thank Dr Chin‐Kuo Chan (BPH, MS, PHD, King's College London) and Dr Irina Telegina (MD, Astrakhan State Medical Academy) for having kindly provided their help with translating from Chinese and from Russian respectively.

This project was supported by the National Institute for Health Research (NIHR), via Cochrane Infrastructure to the Cochrane Gynaecological, Neuro‐oncology and Orphan Cancers Group. The views and opinions expressed therein are those of the authors and do not necessarily reflect those of the Systematic Reviews Programme, NIHR, National Health Service or the Department of Health.

Version history

Published

Title

Stage

Authors

Version

2023 Mar 31

Antidepressants for the treatment of depression in people with cancer

Review

Giovanni Vita, Beatrice Compri, Faith Matcham, Corrado Barbui, Giovanni Ostuzzi

https://doi.org/10.1002/14651858.CD011006.pub4

2018 Apr 23

Antidepressants for the treatment of depression in people with cancer

Review

Giovanni Ostuzzi, Faith Matcham, Sarah Dauchy, Corrado Barbui, Matthew Hotopf

https://doi.org/10.1002/14651858.CD011006.pub3

2015 Jun 01

Antidepressants for the treatment of depression in people with cancer

Review

Giovanni Ostuzzi, Faith Matcham, Sarah Dauchy, Corrado Barbui, Matthew Hotopf

https://doi.org/10.1002/14651858.CD011006.pub2

2014 Mar 05

Antidepressants for the treatment of depression in patients with cancer

Protocol

Giovanni Ostuzzi, Faith Matcham, Sarah Dauchy, Corrado Barbui, Matthew Hotopf

https://doi.org/10.1002/14651858.CD011006

Differences between protocol and review

We amended the Selection of studies paragraph to report that only the Endnote software was used.

In the paragraph Subgroup analysis and investigation of heterogeneity we clarified that the subgroup analyses were performed only for the primary outcome. We further specified which subgroups were considered.

We updated the section Description of the intervention with a brief discussion of a recent review and meta‐analysis (Riblet 2014).

In the section Objectives we replaced the term 'people' with 'adults (aged 18 years or older)'.

In the section Data extraction and management we made clear that the endpoint response rate and dropout rate were calculated on a strict intention‐to‐treat (ITT) basis.

In the section Measures of treatment effect we described which measures for the continuous and dichotomous outcomes were retrieved for the analyses. We moved the methodology for pooling these data from this section to the Data synthesis section, where we also specified the use of the Mantel‐Haenszel methods for the analysis.

We moved the discussion on multiple intervention groups from the section Unit of analysis issues to the Data synthesis section.

In the Data synthesis section we removed the list of comparisons performed, namely antidepressants versus placebo and antidepressants versus antidepressants, as it was already reported in the paragraph Types of interventions. In this section we added a more detailed description on how data were managed and entered in the analysis, including the use of a random‐effects model.

Keywords

MeSH

PICOs

Population
Intervention
Comparison
Outcome

The PICO model is widely used and taught in evidence-based health care as a strategy for formulating questions and search strategies and for characterizing clinical studies or meta-analyses. PICO stands for four different potential components of a clinical question: Patient, Population or Problem; Intervention; Comparison; Outcome.

See more on using PICO in the Cochrane Handbook.

Flow diagram.
Figures and Tables -
Figure 1

Flow diagram.

'Risk of bias' graph: review authors' judgements about each risk of bias item presented as percentages across all included studies.
Figures and Tables -
Figure 2

'Risk of bias' graph: review authors' judgements about each risk of bias item presented as percentages across all included studies.

'Risk of bias' summary: review authors' judgements about each risk of bias item for each included study.
Figures and Tables -
Figure 3

'Risk of bias' summary: review authors' judgements about each risk of bias item for each included study.

Forest plot of comparison: 1 Depression: efficacy at 6‐12 weeks (continuous outcome), outcome: 1.1 Antidepressants versus placebo.
Figures and Tables -
Figure 4

Forest plot of comparison: 1 Depression: efficacy at 6‐12 weeks (continuous outcome), outcome: 1.1 Antidepressants versus placebo.

Forest plot of comparison: 1 Depression: efficacy at 6‐12 weeks (continuous outcome), outcome: 1.2 Antidepressants versus Antidepressants.
Figures and Tables -
Figure 5

Forest plot of comparison: 1 Depression: efficacy at 6‐12 weeks (continuous outcome), outcome: 1.2 Antidepressants versus Antidepressants.

Comparison 1 Depression: efficacy as a continuous outcome at 6 to 12 weeks, Outcome 1 Antidepressants versus placebo.
Figures and Tables -
Analysis 1.1

Comparison 1 Depression: efficacy as a continuous outcome at 6 to 12 weeks, Outcome 1 Antidepressants versus placebo.

Comparison 1 Depression: efficacy as a continuous outcome at 6 to 12 weeks, Outcome 2 Antidepressants versus antidepressants.
Figures and Tables -
Analysis 1.2

Comparison 1 Depression: efficacy as a continuous outcome at 6 to 12 weeks, Outcome 2 Antidepressants versus antidepressants.

Comparison 2 Depression: efficacy as a continuous outcome at 1 to 4 weeks, Outcome 1 Antidepressants versus placebo.
Figures and Tables -
Analysis 2.1

Comparison 2 Depression: efficacy as a continuous outcome at 1 to 4 weeks, Outcome 1 Antidepressants versus placebo.

Comparison 3 Depression: efficacy as a dichotomous outcome at 6 to 12 weeks, Outcome 1 Antidepressants versus placebo.
Figures and Tables -
Analysis 3.1

Comparison 3 Depression: efficacy as a dichotomous outcome at 6 to 12 weeks, Outcome 1 Antidepressants versus placebo.

Comparison 3 Depression: efficacy as a dichotomous outcome at 6 to 12 weeks, Outcome 2 Antidepressants versus antidepressants.
Figures and Tables -
Analysis 3.2

Comparison 3 Depression: efficacy as a dichotomous outcome at 6 to 12 weeks, Outcome 2 Antidepressants versus antidepressants.

Comparison 4 Social adjustment at 6 to 12 weeks, Outcome 1 Antidepressants versus antidepressants.
Figures and Tables -
Analysis 4.1

Comparison 4 Social adjustment at 6 to 12 weeks, Outcome 1 Antidepressants versus antidepressants.

Comparison 5 Quality of life at 6 to 12 weeks, Outcome 1 Antidepressants versus placebo.
Figures and Tables -
Analysis 5.1

Comparison 5 Quality of life at 6 to 12 weeks, Outcome 1 Antidepressants versus placebo.

Comparison 5 Quality of life at 6 to 12 weeks, Outcome 2 Antidepressants versus antidepressants.
Figures and Tables -
Analysis 5.2

Comparison 5 Quality of life at 6 to 12 weeks, Outcome 2 Antidepressants versus antidepressants.

Comparison 6 Dropouts due to inefficacy, Outcome 1 Antidepressants versus placebo.
Figures and Tables -
Analysis 6.1

Comparison 6 Dropouts due to inefficacy, Outcome 1 Antidepressants versus placebo.

Comparison 6 Dropouts due to inefficacy, Outcome 2 Antidepressants versus antidepressants.
Figures and Tables -
Analysis 6.2

Comparison 6 Dropouts due to inefficacy, Outcome 2 Antidepressants versus antidepressants.

Comparison 7 Dropouts due to side effects (tolerability), Outcome 1 Antidepressants versus placebo.
Figures and Tables -
Analysis 7.1

Comparison 7 Dropouts due to side effects (tolerability), Outcome 1 Antidepressants versus placebo.

Comparison 7 Dropouts due to side effects (tolerability), Outcome 2 Antidepressants versus antidepressants.
Figures and Tables -
Analysis 7.2

Comparison 7 Dropouts due to side effects (tolerability), Outcome 2 Antidepressants versus antidepressants.

Comparison 8 Dropouts due to any cause (acceptability), Outcome 1 Antidepressants versus placebo.
Figures and Tables -
Analysis 8.1

Comparison 8 Dropouts due to any cause (acceptability), Outcome 1 Antidepressants versus placebo.

Comparison 8 Dropouts due to any cause (acceptability), Outcome 2 Antidepressants versus antidepressants.
Figures and Tables -
Analysis 8.2

Comparison 8 Dropouts due to any cause (acceptability), Outcome 2 Antidepressants versus antidepressants.

Comparison 9 Subgroup analysis: psychiatric diagnosis, Outcome 1 Antidepressants versus placebo.
Figures and Tables -
Analysis 9.1

Comparison 9 Subgroup analysis: psychiatric diagnosis, Outcome 1 Antidepressants versus placebo.

Comparison 9 Subgroup analysis: psychiatric diagnosis, Outcome 2 Antidepressants versus antidepressants.
Figures and Tables -
Analysis 9.2

Comparison 9 Subgroup analysis: psychiatric diagnosis, Outcome 2 Antidepressants versus antidepressants.

Comparison 10 Subgroup analysis: cancer site, Outcome 1 Antidepressants versus placebo.
Figures and Tables -
Analysis 10.1

Comparison 10 Subgroup analysis: cancer site, Outcome 1 Antidepressants versus placebo.

Comparison 10 Subgroup analysis: cancer site, Outcome 2 Antidepressants versus antidepressants.
Figures and Tables -
Analysis 10.2

Comparison 10 Subgroup analysis: cancer site, Outcome 2 Antidepressants versus antidepressants.

Comparison 11 Subgroup analysis: cancer stage, Outcome 1 Antidepressants versus placebo.
Figures and Tables -
Analysis 11.1

Comparison 11 Subgroup analysis: cancer stage, Outcome 1 Antidepressants versus placebo.

Comparison 11 Subgroup analysis: cancer stage, Outcome 2 Antidepressants versus antidepressants.
Figures and Tables -
Analysis 11.2

Comparison 11 Subgroup analysis: cancer stage, Outcome 2 Antidepressants versus antidepressants.

Comparison 12 Sensitivity analysis: excluding trials that did not employ depressive symptoms as their primary outcome, Outcome 1 Antidepressants versus placebo.
Figures and Tables -
Analysis 12.1

Comparison 12 Sensitivity analysis: excluding trials that did not employ depressive symptoms as their primary outcome, Outcome 1 Antidepressants versus placebo.

Comparison 13 Sensitivity analysis: excluding trials with imputed data, Outcome 1 Antidepressants versus placebo.
Figures and Tables -
Analysis 13.1

Comparison 13 Sensitivity analysis: excluding trials with imputed data, Outcome 1 Antidepressants versus placebo.

Summary of findings for the main comparison. Antidepressants compared to placebo for people with cancer and depression

Antidepressants compared to placebo for patients with cancer and depression

Patient or population: adults with cancer and depression
Settings: in‐ and outpatients
Intervention: antidepressants
Comparison: placebo

Outcomes

Illustrative comparative risks* (95% CI)

Relative effect
(95% CI)

No of participants
(studies)

Certainity (quality) of the evidence
(GRADE)

Comments

Assumed risk

Corresponding risk

Placebo

Antidepressants

Efficacy as a continuous outcome
Follow‐up: 6 to 12 weeks

The mean efficacy as a continuous outcome (SMD) in the intervention groups was
0.45 standard deviations lower
(1.01 lower to 1.11 higher)

266
(5 studies, 6 comparisons)

⊕⊝⊝⊝
very low1,2,3,4

Efficacy as a dichotomous outcome
Follow‐up: 6 to 12 weeks

358 per 1000

294 per 1000
(222 to 387)

RR 0.82
(0.62 to 1.08)

417
(5 studies, 6 comparisons)

⊕⊝⊝⊝
very low1,3,4,5

Dropouts due to any cause (acceptability)
Follow‐up: 4 to 12 weeks

215 per 1000

187 per 1000
(105 to 328)

RR 0.85
(0.52 to 1.38)

479
(7 studies, 7 comparisons)

⊕⊝⊝⊝
very low1,3,4,6

*The basis for the assumed risk (e.g. the median control group risk across studies) is provided in footnotes. The corresponding risk (and its 95% confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).
CI: confidence interval; RR: risk ratio; SMD: standardised mean difference

GRADE Working Group grades of evidence
High quality: Further research is very unlikely to change our confidence in the estimate of effect.
Moderate quality: Further research is likely to have an important impact on our confidence in the estimate of effect and may change the estimate.
Low quality: Further research is very likely to have an important impact on our confidence in the estimate of effect and is likely to change the estimate.
Very low quality: We are very uncertain about the estimate.

1 Downgraded as no studies described the outcome assessment as masked. This should be considered a major limitation, which is likely to result in a biased assessment of the intervention effect.
2 Downgraded due to heterogeneity ‐ I² = 77%. An I² between 50% and 75% suggests a serious risk of inconsistency (unexplained heterogeneity), which may arise from relevant differences in populations, interventions and outcomes of the studies entered into the analysis.
3 Downgraded due to very low number of participants recruited (fewer than 100 individuals in both treatment arms) and 95% CI includes both no effect and appreciable benefit or appreciable harm, which suggests the risk of very serious imprecision of the results and thus low confidence in their reliability.
4 Downgraded due to high risk of sponsorship bias.
5 Downgrade due to heterogeneity ‐ I² = 49%. See above
6 Downgrade due to heterogeneity ‐ I² = 53%. See above.

Figures and Tables -
Summary of findings for the main comparison. Antidepressants compared to placebo for people with cancer and depression
Summary of findings 2. Selective serotonin reuptake inhibitors (SSRIs) compared to tricyclic antidepressants (TCAs) for people with cancer and depression

SSRIs compared to TCAs for patients with cancer and depression

Patient or population: patients with cancer and depression
Settings: in‐ and outpatients
Intervention: SSRIs
Comparison: TCAs

Outcomes

Illustrative comparative risks* (95% CI)

Relative effect
(95% CI)

No of participants
(studies)

Certainty (Quality) of the evidence
(GRADE)

Comments

Assumed risk

Corresponding risk

TCAs

SSRIs

Efficacy as a continuous outcome
Follow‐up: 6 to 12 weeks

The mean efficacy as a continuous outcome (SMD) in the intervention groups was
0.08 standard deviations lower
(0.34 lower to 0.18 higher)

237
(3 studies)

⊕⊝⊝⊝
very low1,2,3

Efficacy as a dichotomous outcome
Follow‐up: 6 to 12 weeks

Study population

RR 1.10 (0.78 to 1.53

199
(2 studies)

⊕⊝⊝⊝
very low1,2

388 per 1000

454 per 1000
(256 to 799)

Dropouts due to any cause (acceptability)
Follow‐up: 4 to 12 weeks

Study population

RR 0.83
(0.53 to 1.3)

237
(3 studies)

⊕⊝⊝⊝
very low1,2,3

261 per 1000

217 per 1000
(138 to 339)

*The basis for the assumed risk (e.g. the median control group risk across studies) is provided in footnotes. The corresponding risk (and its 95% confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).
CI: confidence interval; RR: risk ratio; SMD: standardised mean difference; SSRI: selective serotonin reuptake inhibitor; TCA: tricyclic antidepressant

GRADE Working Group grades of evidence
High quality: Further research is very unlikely to change our confidence in the estimate of effect.
Moderate quality: Further research is likely to have an important impact on our confidence in the estimate of effect and may change the estimate.
Low quality: Further research is very likely to have an important impact on our confidence in the estimate of effect and is likely to change the estimate.
Very low quality: We are very uncertain about the estimate.

1 Downgraded as no studies described the outcome assessment as masked. This should be considered a major limitation, which is likely to result in a biased assessment of the intervention effect.
2 Downgraded as very low number of participants recruited (fewer than 100 individuals in both treatment arms) and 95% CI includes both no effect and appreciable benefit or appreciable harm, which suggests the risk of very serious imprecision of the results and thus low confidence in their reliability.
3 Downgraded as one study out of three had a high risk of sponsorship bias.

Figures and Tables -
Summary of findings 2. Selective serotonin reuptake inhibitors (SSRIs) compared to tricyclic antidepressants (TCAs) for people with cancer and depression
Comparison 1. Depression: efficacy as a continuous outcome at 6 to 12 weeks

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Antidepressants versus placebo Show forest plot

5

266

Std. Mean Difference (IV, Random, 95% CI)

‐0.45 [‐1.01, 0.11]

1.1 SSRIs

4

194

Std. Mean Difference (IV, Random, 95% CI)

‐0.21 [‐0.50, 0.08]

1.2 Tricyclic antidepressants

1

17

Std. Mean Difference (IV, Random, 95% CI)

0.04 [‐0.95, 1.04]

1.3 Other antidepressants

1

55

Std. Mean Difference (IV, Random, 95% CI)

‐1.77 [‐2.40, ‐1.14]

2 Antidepressants versus antidepressants Show forest plot

3

237

Std. Mean Difference (IV, Random, 95% CI)

‐0.08 [‐0.34, 0.18]

2.1 Paroxetine versus desipramine

1

24

Std. Mean Difference (IV, Random, 95% CI)

0.08 [‐0.73, 0.88]

2.2 Paroxetine versus amitriptyline

1

175

Std. Mean Difference (IV, Random, 95% CI)

‐0.16 [‐0.46, 0.14]

2.3 Fluoxetine versus desipramine

1

38

Std. Mean Difference (IV, Random, 95% CI)

0.19 [‐0.45, 0.83]

Figures and Tables -
Comparison 1. Depression: efficacy as a continuous outcome at 6 to 12 weeks
Comparison 2. Depression: efficacy as a continuous outcome at 1 to 4 weeks

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Antidepressants versus placebo Show forest plot

5

310

Std. Mean Difference (IV, Random, 95% CI)

‐0.29 [‐0.72, 0.13]

1.1 SSRIs

3

182

Std. Mean Difference (IV, Random, 95% CI)

0.02 [‐0.27, 0.32]

1.2 Other antidepressants

2

128

Std. Mean Difference (IV, Random, 95% CI)

‐0.71 [‐1.26, ‐0.16]

Figures and Tables -
Comparison 2. Depression: efficacy as a continuous outcome at 1 to 4 weeks
Comparison 3. Depression: efficacy as a dichotomous outcome at 6 to 12 weeks

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Antidepressants versus placebo Show forest plot

5

417

Risk Ratio (M‐H, Random, 95% CI)

0.82 [0.62, 1.08]

1.1 SSRIs

3

272

Risk Ratio (M‐H, Random, 95% CI)

0.94 [0.79, 1.11]

1.2 Tricyclic antidepressants

1

17

Risk Ratio (M‐H, Random, 95% CI)

1.09 [0.42, 2.86]

1.3 Other antidepressants

2

128

Risk Ratio (M‐H, Random, 95% CI)

0.47 [0.30, 0.75]

2 Antidepressants versus antidepressants Show forest plot

2

199

Risk Ratio (M‐H, Random, 95% CI)

1.10 [0.78, 1.53]

2.1 Paroxetine versus amitriptyline

1

175

Risk Ratio (M‐H, Random, 95% CI)

1.14 [0.79, 1.63]

2.2 Paroxetine versus desipramine

1

24

Risk Ratio (M‐H, Random, 95% CI)

0.85 [0.33, 2.18]

Figures and Tables -
Comparison 3. Depression: efficacy as a dichotomous outcome at 6 to 12 weeks
Comparison 4. Social adjustment at 6 to 12 weeks

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Antidepressants versus antidepressants Show forest plot

1

175

Mean Difference (IV, Random, 95% CI)

0.10 [‐0.38, 0.58]

1.1 Paroxetine versus amitriptyline

1

175

Mean Difference (IV, Random, 95% CI)

0.10 [‐0.38, 0.58]

Figures and Tables -
Comparison 4. Social adjustment at 6 to 12 weeks
Comparison 5. Quality of life at 6 to 12 weeks

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Antidepressants versus placebo Show forest plot

2

152

Std. Mean Difference (IV, Random, 95% CI)

0.05 [‐0.27, 0.37]

1.1 SSRIs

2

152

Std. Mean Difference (IV, Random, 95% CI)

0.05 [‐0.27, 0.37]

2 Antidepressants versus antidepressants Show forest plot

1

153

Mean Difference (IV, Random, 95% CI)

6.5 [0.21, 12.79]

2.1 Paroxetine versus amitriptyline

1

153

Mean Difference (IV, Random, 95% CI)

6.5 [0.21, 12.79]

Figures and Tables -
Comparison 5. Quality of life at 6 to 12 weeks
Comparison 6. Dropouts due to inefficacy

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Antidepressants versus placebo Show forest plot

6

455

Risk Ratio (M‐H, Random, 95% CI)

0.41 [0.13, 1.32]

1.1 SSRIs

4

310

Risk Ratio (M‐H, Random, 95% CI)

0.87 [0.10, 7.31]

1.2 Tricyclic antidepressants

1

17

Risk Ratio (M‐H, Random, 95% CI)

2.92 [0.16, 52.47]

1.3 Other antidepressants

2

128

Risk Ratio (M‐H, Random, 95% CI)

0.18 [0.05, 0.65]

2 Antidepressants versus antidepressants Show forest plot

3

237

Risk Ratio (M‐H, Random, 95% CI)

0.85 [0.14, 5.06]

2.1 Fluoxetine versus desipramine

1

38

Risk Ratio (M‐H, Random, 95% CI)

0.0 [0.0, 0.0]

2.2 Paroxetine versus amitriptyline

1

175

Risk Ratio (M‐H, Random, 95% CI)

0.0 [0.0, 0.0]

2.3 Paroxetine versus desipramine

1

24

Risk Ratio (M‐H, Random, 95% CI)

0.85 [0.14, 5.06]

Figures and Tables -
Comparison 6. Dropouts due to inefficacy
Comparison 7. Dropouts due to side effects (tolerability)

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Antidepressants versus placebo Show forest plot

7

479

Risk Ratio (M‐H, Random, 95% CI)

1.19 [0.54, 2.62]

1.1 SSRIs

5

334

Risk Ratio (M‐H, Random, 95% CI)

1.99 [0.71, 5.57]

1.2 Tricyclic antidepressants

1

17

Risk Ratio (M‐H, Random, 95% CI)

0.55 [0.04, 7.25]

1.3 Other antidepressants

2

128

Risk Ratio (M‐H, Random, 95% CI)

0.59 [0.15, 2.35]

2 Antidepressants versus antidepressants Show forest plot

3

237

Risk Ratio (M‐H, Random, 95% CI)

1.04 [0.55, 1.99]

2.1 Fluoxetine versus desipramine

1

38

Risk Ratio (M‐H, Random, 95% CI)

1.21 [0.41, 3.62]

2.2 Paroxetine versus amitriptyline

1

175

Risk Ratio (M‐H, Random, 95% CI)

0.89 [0.38, 2.08]

2.3 Paroxetine versus desipramine

1

24

Risk Ratio (M‐H, Random, 95% CI)

1.69 [0.18, 16.25]

Figures and Tables -
Comparison 7. Dropouts due to side effects (tolerability)
Comparison 8. Dropouts due to any cause (acceptability)

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Antidepressants versus placebo Show forest plot

7

479

Risk Ratio (M‐H, Random, 95% CI)

0.85 [0.52, 1.38]

1.1 SSRIs

5

334

Risk Ratio (M‐H, Random, 95% CI)

1.37 [0.84, 2.24]

1.2 Tricyclic antidepressants

1

17

Risk Ratio (M‐H, Random, 95% CI)

0.73 [0.24, 2.23]

1.3 Other antidepressants

2

128

Risk Ratio (M‐H, Random, 95% CI)

0.43 [0.25, 0.75]

2 Antidepressants versus antidepressants Show forest plot

3

237

Risk Ratio (M‐H, Random, 95% CI)

0.83 [0.53, 1.30]

2.1 Fluoxetine versus desipramine

1

38

Risk Ratio (M‐H, Random, 95% CI)

0.69 [0.29, 1.68]

2.2 Paroxetine versus amitriptyline

1

175

Risk Ratio (M‐H, Random, 95% CI)

0.83 [0.46, 1.51]

2.3 Paroxetine versus desipramine

1

24

Risk Ratio (M‐H, Random, 95% CI)

1.06 [0.37, 3.00]

Figures and Tables -
Comparison 8. Dropouts due to any cause (acceptability)
Comparison 9. Subgroup analysis: psychiatric diagnosis

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Antidepressants versus placebo Show forest plot

4

197

Std. Mean Difference (IV, Random, 95% CI)

‐0.51 [‐1.23, 0.21]

1.1 Patients with major depressive disorder

2

90

Std. Mean Difference (IV, Random, 95% CI)

‐0.58 [‐1.94, 0.78]

1.2 Patients with adjustment disorder, dysthymic disorder, depressive symptoms

2

107

Std. Mean Difference (IV, Random, 95% CI)

‐0.28 [‐0.67, 0.10]

2 Antidepressants versus antidepressants Show forest plot

2

199

Std. Mean Difference (IV, Random, 95% CI)

‐0.13 [‐0.41, 0.15]

2.1 Patients with major depressive disorder

2

199

Std. Mean Difference (IV, Random, 95% CI)

‐0.13 [‐0.41, 0.15]

2.2 Patients with adjustment disorder, dysthymic disorder, depressive symptoms

0

0

Std. Mean Difference (IV, Random, 95% CI)

0.0 [0.0, 0.0]

Figures and Tables -
Comparison 9. Subgroup analysis: psychiatric diagnosis
Comparison 10. Subgroup analysis: cancer site

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Antidepressants versus placebo Show forest plot

5

266

Std. Mean Difference (IV, Random, 95% CI)

‐0.45 [‐1.01, 0.11]

1.1 Patients with breast cancer

2

90

Std. Mean Difference (IV, Random, 95% CI)

‐0.58 [‐1.94, 0.78]

1.2 Patients with other cancer types

3

176

Std. Mean Difference (IV, Random, 95% CI)

‐0.24 [‐0.54, 0.06]

2 Antidepressants versus antidepressants Show forest plot

3

237

Std. Mean Difference (IV, Random, 95% CI)

‐0.08 [‐0.34, 0.18]

2.1 Patients with breast cancer

2

199

Std. Mean Difference (IV, Random, 95% CI)

‐0.13 [‐0.41, 0.15]

2.2 Patients with other cancer types

1

38

Std. Mean Difference (IV, Random, 95% CI)

0.19 [‐0.45, 0.83]

Figures and Tables -
Comparison 10. Subgroup analysis: cancer site
Comparison 11. Subgroup analysis: cancer stage

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Antidepressants versus placebo Show forest plot

2

93

Std. Mean Difference (IV, Random, 95% CI)

‐0.25 [‐0.66, 0.16]

1.1 Patients with an early stage cancer

1

69

Std. Mean Difference (IV, Random, 95% CI)

‐0.17 [‐0.65, 0.31]

1.2 Patients with a late stage cancer

1

24

Std. Mean Difference (IV, Random, 95% CI)

‐0.48 [‐1.30, 0.33]

2 Antidepressants versus antidepressants Show forest plot

1

38

Mean Difference (IV, Random, 95% CI)

0.69 [‐1.61, 2.99]

2.1 Patients with an early stage cancer

1

38

Mean Difference (IV, Random, 95% CI)

0.69 [‐1.61, 2.99]

2.2 Patients with a late stage cancer

0

0

Mean Difference (IV, Random, 95% CI)

0.0 [0.0, 0.0]

Figures and Tables -
Comparison 11. Subgroup analysis: cancer stage
Comparison 12. Sensitivity analysis: excluding trials that did not employ depressive symptoms as their primary outcome

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Antidepressants versus placebo Show forest plot

4

183

Std. Mean Difference (IV, Random, 95% CI)

‐0.49 [‐1.23, 0.25]

1.1 SSRIs

3

111

Std. Mean Difference (IV, Random, 95% CI)

‐0.20 [‐0.58, 0.18]

1.2 Tricyclic antidepressants

1

17

Std. Mean Difference (IV, Random, 95% CI)

0.04 [‐0.95, 1.04]

1.3 Other antidepressants

1

55

Std. Mean Difference (IV, Random, 95% CI)

‐1.77 [‐2.40, ‐1.14]

Figures and Tables -
Comparison 12. Sensitivity analysis: excluding trials that did not employ depressive symptoms as their primary outcome
Comparison 13. Sensitivity analysis: excluding trials with imputed data

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Antidepressants versus placebo Show forest plot

4

231

Std. Mean Difference (IV, Random, 95% CI)

‐0.64 [‐1.35, 0.06]

1.1 SSRIs

3

176

Std. Mean Difference (IV, Random, 95% CI)

‐0.24 [‐0.54, 0.06]

1.2 Tricyclic antidepressants

0

0

Std. Mean Difference (IV, Random, 95% CI)

0.0 [0.0, 0.0]

1.3 Other antidepressants

1

55

Std. Mean Difference (IV, Random, 95% CI)

‐1.77 [‐2.40, ‐1.14]

Figures and Tables -
Comparison 13. Sensitivity analysis: excluding trials with imputed data