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

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Figure 1

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.

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Figure 2

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

Study flow diagram.

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Figure 3

Study flow diagram.

Comparison 1: Antidepressant versus placebo, Outcome 1: Clinical response

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Analysis 1.1

Comparison 1: Antidepressant versus placebo, Outcome 1: Clinical response

Comparison 1: Antidepressant versus placebo, Outcome 2: Dropouts

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Analysis 1.2

Comparison 1: Antidepressant versus placebo, Outcome 2: Dropouts

Comparison 2: Antipsychotic versus placebo, Outcome 1: Clinical response

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Analysis 2.1

Comparison 2: Antipsychotic versus placebo, Outcome 1: Clinical response

Comparison 2: Antipsychotic versus placebo, Outcome 2: Dropouts

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Analysis 2.2

Comparison 2: Antipsychotic versus placebo, Outcome 2: Dropouts

Comparison 3: Antidepressant versus antidepressant, Outcome 1: Clinical response

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Analysis 3.1

Comparison 3: Antidepressant versus antidepressant, Outcome 1: Clinical response

Comparison 3: Antidepressant versus antidepressant, Outcome 2: Dropouts

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Analysis 3.2

Comparison 3: Antidepressant versus antidepressant, Outcome 2: Dropouts

Comparison 4: Antidepressant versus antipsychotic, Outcome 1: Clinical response

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Analysis 4.1

Comparison 4: Antidepressant versus antipsychotic, Outcome 1: Clinical response

Comparison 4: Antidepressant versus antipsychotic, Outcome 2: Dropouts

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Analysis 4.2

Comparison 4: Antidepressant versus antipsychotic, Outcome 2: Dropouts

Comparison 5: Antidepressant plus antipsychotic versus placebo, Outcome 1: Clinical response

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Analysis 5.1

Comparison 5: Antidepressant plus antipsychotic versus placebo, Outcome 1: Clinical response

Comparison 5: Antidepressant plus antipsychotic versus placebo, Outcome 2: Dropouts

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Analysis 5.2

Comparison 5: Antidepressant plus antipsychotic versus placebo, Outcome 2: Dropouts

Comparison 6: Antidepressant plus antipsychotic versus placebo plus antipsychotic, Outcome 1: Clinical response

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Analysis 6.1

Comparison 6: Antidepressant plus antipsychotic versus placebo plus antipsychotic, Outcome 1: Clinical response

Comparison 6: Antidepressant plus antipsychotic versus placebo plus antipsychotic, Outcome 2: Dropouts

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Analysis 6.2

Comparison 6: Antidepressant plus antipsychotic versus placebo plus antipsychotic, Outcome 2: Dropouts

Comparison 7: Antidepressant plus antipsychotic versus placebo plus antidepressant, Outcome 1: Clinical response

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Analysis 7.1

Comparison 7: Antidepressant plus antipsychotic versus placebo plus antidepressant, Outcome 1: Clinical response

Comparison 7: Antidepressant plus antipsychotic versus placebo plus antidepressant, Outcome 2: Dropouts

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Analysis 7.2

Comparison 7: Antidepressant plus antipsychotic versus placebo plus antidepressant, Outcome 2: Dropouts

Comparison 8: Antidepressant plus antipsychotic versus placebo plus the same antidepressant, Outcome 1: Clinical response

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Analysis 8.1

Comparison 8: Antidepressant plus antipsychotic versus placebo plus the same antidepressant, Outcome 1: Clinical response

Comparison 8: Antidepressant plus antipsychotic versus placebo plus the same antidepressant, Outcome 2: Dropouts

Figuras y tablas -
Analysis 8.2

Comparison 8: Antidepressant plus antipsychotic versus placebo plus the same antidepressant, Outcome 2: Dropouts

Summary of findings 1. Antidepressant compared to placebo for psychotic depression

Antidepressant compared to placebo for psychotic depression

Patient or population: adults with psychotic depression
Setting: hospital
Intervention: antidepressant
Comparison: placebo

Outcomes

Anticipated absolute effects* (95% CI)

Relative effect
(95% CI)

№. of participants
(studies)

Certainty of evidence
(GRADE)

Comments

Risk with placebo

Risk with antidepressant

Clinical response of depression

Study population

RR 8.40
(0.50 to 142.27)

27
(1 RCT)

⊕⊝⊝⊝
Very lowa,b,c

Study defined depression response as HRSD‐17 < 7

36 per 1000

300 per 1000
(18 to 1000)

Overall dropouts

Study population

RR 1.24
(0.34 to 4.51)

27
(1 RCT)

⊕⊝⊝⊝
Very lowa,b,c

 

231 per 1000

286 per 1000
(78 to 1000)

Depression remission

See comment

No study reported this outcome

Change in depression severity from baseline

See comment

No study reported this outcome

Quality of life

See comment

No study reported this outcome

Dropouts due to adverse effects

See comment

No study reported this outcome

*The risk in the intervention group (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; RCT: randomised controlled trial; RR: risk ratio.

GRADE Working Group grades of evidence.
High certainty: we are very confident that the true effect lies close to that of the estimate of the effect.
Moderate certainty: we are moderately confident in the effect estimate: the true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different.
Low certainty: our confidence in the effect estimate is limited: the true effect may be substantially different from the estimate of the effect.
Very low certainty: we have very little confidence in the effect estimate: the true effect is likely to be substantially different from the estimate of effect.

aDowngraded one level for high risk of other bias.

bDowngraded one level for high risk of publication bias.

cDowngraded one level for imprecision due to small sample size; CIs are consistent with appreciable benefit and appreciable harm.

Figuras y tablas -
Summary of findings 1. Antidepressant compared to placebo for psychotic depression
Summary of findings 2. Antipsychotic compared to placebo for psychotic depression

Antipsychotic compared to placebo for psychotic depression

Patient or population: adults with psychotic depression
Setting: at least first week of study in hospital
Intervention: antipsychotic
Comparison: placebo

Outcomes

Anticipated absolute effects* (95% CI)

Relative effect
(95% CI)

№. of participants
(studies)

Certainty of evidence
(GRADE)

Comments

Risk with placebo

Risk with antipsychotic

Clinical response of depression

Study population

RR 1.13
(0.74 to 1.73)

201
(2 RCTs)

⊕⊝⊝⊝
Very lowa,b,c

Studies defined depression response as reduction in HAMD‐24 ≥ 50% at endpoint

280 per 1000

316 per 1000
(207 to 484)

Overall dropouts

Study population

RR 0.79
(0.57 to 1.08)

201
(2 RCTs)

⊕⊝⊝⊝
Very lowa,b,c

 

470 per 1000

371 per 1000
(268 to 508)

Depression remission

See comment

No study reported this outcome

Change in depression severity from baseline

See comment

No study reported this outcome

Quality of life

See comment

No study reported this outcome

Dropouts due to adverse effects

See comment

No study reported this outcome

*The risk in the intervention group (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; RCT: randomised controlled trial; RR: risk ratio.

GRADE Working Group grades of evidence.
High certainty: we are very confident that the true effect lies close to that of the estimate of the effect.
Moderate certainty: we are moderately confident in the effect estimate: the true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different.
Low certainty: our confidence in the effect estimate is limited: the true effect may be substantially different from the estimate of the effect.
Very low certainty: we have very little confidence in the effect estimate: the true effect is likely to be substantially different from the estimate of effect.

aDowngraded one level for high risk of other bias.

bDowngraded one level for high risk of publication bias.

cDowngraded one level for imprecision due to small sample size; CIs are consistent with appreciable benefit and appreciable harm.

Figuras y tablas -
Summary of findings 2. Antipsychotic compared to placebo for psychotic depression
Summary of findings 3. Antidepressant compared to antidepressant for psychotic depression

Antidepressant compared to antidepressant for psychotic depression

Patient or population: adults with psychotic depression
Setting: hospital
Intervention: antidepressant
Comparison: antidepressant

Outcomes

Anticipated absolute effects* (95% CI)

Relative effect
(95% CI)

№. of participants
(studies)

Certainty of evidence
(GRADE)

Comments

Risk with antidepressant

Risk with antidepressant

Clinical response

See comment

⊕⊝⊝⊝
Very lowa,b,c

Meta‐analysis was not possible due to heterogeneity between the different antidepressants used

van den Broek 2004a showed that imipramine may be more effective than fluvoxamine (RR 2.10, 95% CI 1.06 to 4.17)

Bruijn 1996 showed that imipramine may be more effective than mirtazapine (RR 3.00, 95% CI 1.01 to 8.95)

Zanardi 1996 showed that sertraline may be more effective than paroxetine (RR 3.37, 95% CI 1.19 to 9.57)

Zanardi 2000 found no difference between fluvoxamine and venlafaxine (RR 1.50, 95% CI 0.82 to 2.75)

Wijkstra 2010 found no difference between imipramine and venlafaxine (RR 1.57, 95% CI 0.93 to 2.67)

Overall dropouts

See comment

⊕⊝⊝⊝
Very lowa,b,c

Wijkstra 2010 found no difference between imipramine and venlafaxine (RR 0.81, 95% CI 0.33 to 2.03)

Bruijn 1996 found no difference between imipramine and mirtazapine (RR 0.50, 95% CI 0.19 to 1.31)

van den Broek 2004a found no difference between imipramine and fluvoxamine (RR 2.00, 95% CI 0.40 to 9.95)

Zanardi 1996 found no difference between sertraline and paroxetine (RR 0.20, 95% CI 0.01 to 3.74)

Zanardi 2000 found no difference between fluvoxamine and venlafaxine (RR 0.07, 95% CI 0.00 to 1.20)

Depression remission

See comment

No study reported this outcome

Change in depression severity from baseline

See comment

No study reported this outcome

Quality of life

See comment

No study reported this outcome

Dropouts due to adverse effects

See comment

No study reported this outcome

*The risk in the intervention group (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.

GRADE Working Group grades of evidence.
High certainty: we are very confident that the true effect lies close to that of the estimate of the effect.
Moderate certainty: we are moderately confident in the effect estimate: the true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different.
Low certainty: our confidence in the effect estimate is limited: the true effect may be substantially different from the estimate of the effect.
Very low certainty: we have very little confidence in the effect estimate: the true effect is likely to be substantially different from the estimate of effect.

aDowngraded one level for imprecision due to small sample size.

bDowngraded one level for imprecision as CIs are consistent with appreciable benefit and appreciable harm.

cDowngraded one level for high risk of publication bias.

Figuras y tablas -
Summary of findings 3. Antidepressant compared to antidepressant for psychotic depression
Summary of findings 4. Antidepressant compared to antipsychotic for psychotic depression

Antidepressant compared to antipsychotic for psychotic depression

Patient or population: adults with psychotic depression
Setting: hospital
Intervention: antidepressant
Comparison: antipsychotic

Outcomes

Anticipated absolute effects* (95% CI)

Relative effect
(95% CI)

№. of participants
(studies)

Certainty of evidence
(GRADE)

Comments

Risk with antipsychotic

Risk with antidepressant

Clinical response of depression

Study population

RR 2.09
(0.64 to 6.82)

36
(1 RCT)

⊕⊝⊝⊝
Very lowa,b,c

Study defined depression response as HRSD‐17 < 7

176 per 1000

369 per 1000
(113 to 1000)

Overall dropouts

Study population

RR 1.79
(0.18 to 18.02)

36
(1 RCT)

⊕⊝⊝⊝
Very lowa,b,c

 

59 per 1000

105 per 1000
(11 to 1000)

Depression remission

See comment

No study reported this outcome

Change in depression severity from baseline

See comment

No study reported this outcome

Quality of life

See comment

No study reported this outcome

Dropouts due to adverse effects

See comment

No study reported this outcome

*The risk in the intervention group (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; RCT: randomised controlled trial; RR: risk ratio.

GRADE Working Group grades of evidence.
High certainty: we are very confident that the true effect lies close to that of the estimate of the effect.
Moderate certainty: we are moderately confident in the effect estimate: the true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different.
Low certainty: our confidence in the effect estimate is limited: the true effect may be substantially different from the estimate of the effect.
Very low certainty: we have very little confidence in the effect estimate: the true effect is likely to be substantially different from the estimate of effect.

aDowngraded one level for imprecision due to small sample size.

bDowngraded one level for imprecision as CIs are consistent with appreciable benefit and appreciable harm.

cDowngraded one level for risk of publication bias.

Figuras y tablas -
Summary of findings 4. Antidepressant compared to antipsychotic for psychotic depression
Summary of findings 5. Antidepressant plus antipsychotic compared to placebo for psychotic depression

Antidepressant plus antipsychotic compared to placebo for psychotic depression

Patient or population: adults with psychotic depression
Setting: at least first week of study in hospital
Intervention: antidepressant plus antipsychotic
Comparison: placebo

Outcomes

Anticipated absolute effects* (95% CI)

Relative effect
(95% CI)

№. of participants
(studies)

Certainty of evidence
(GRADE)

Comments

Risk with placebo

Risk with antidepressant plus antipsychotic

Clinical response of depression

Study population

RR 1.86
(1.23 to 2.82)

148
(2 RCTs)

⊕⊝⊝⊝
Very lowa,b,c

Both studies defined response as reduction in HAMD‐24 ≥ 50% at endpoint

280 per 1000

521 per 1000
(344 to 790)

Overall dropouts

Study population

RR 0.75
(0.48 to 1.18)

148
(2 RCTs)

⊕⊝⊝⊝
Very lowa,b,d

 

470 per 1000

353 per 1000
(226 to 555)

Depression remission

See comment

No study reported this outcome

Change in depression severity from baseline

See comment

No study reported this outcome

Quality of life

See comment

No study reported this outcome

Dropouts due to adverse effects

See comment

No study reported this outcome

*The risk in the intervention group (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; RCT: randomised controlled trial; RR: risk ratio.

GRADE Working Group grades of evidence.
High certainty: we are very confident that the true effect lies close to that of the estimate of the effect.
Moderate certainty: we are moderately confident in the effect estimate: the true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different.
Low certainty: our confidence in the effect estimate is limited: the true effect may be substantially different from the estimate of the effect.
Very low certainty: we have very little confidence in the effect estimate: the true effect is likely to be substantially different from the estimate of effect.

aDowngraded one level for for high risk of other source of bias.

bDowngraded one level for for high risk of publication bias.

cDowngraded one level for imprecision due to small sample size.

dDowngraded one level for imprecision due to small sample size; CIs are consistent with appreciable benefit and appreciable harm.

Figuras y tablas -
Summary of findings 5. Antidepressant plus antipsychotic compared to placebo for psychotic depression
Summary of findings 6. Antidepressant plus antipsychotic compared to placebo plus antipsychotic for psychotic depression

Antidepressant plus antipsychotic compared to placebo plus antipsychotic for psychotic depression

Patient or population: adults with psychotic depression
Setting: hospital (2 RCTs) or at least first week of study in hospital (2 RCTs)
Intervention: antidepressant plus antipsychotic
Comparison: placebo plus antipsychotic

Outcomes

Anticipated absolute effects* (95% CI)

Relative effect
(95% CI)

№. of participants
(studies)

Certainty of evidence
(GRADE)

Comments

Risk with placebo plus antipsychotic

Risk with antidepressant plus antipsychotic

Clinical response of depression

Study population

RR 1.83
(1.40 to 2.38)

447
(4 RCTs)

⊕⊕⊝⊝
Lowa,b

2 studies defined response as reduction in HAMD‐24 ≥ 50% at endpoint, 1 study defined response as HAMD‐17 ≦ 10, and another study defined response as HRSD‐17 < 7

266 per 1000

487 per 1000
(373 to 633)

Overall dropouts

Study population

RR 0.79
(0.63 to 1.01)

447
(4 RCTs)

⊕⊕⊝⊝
Very lowa,b,c

 

435 per 1000

344 per 1000
(274 to 440)

Depression remission

See comment

No study reported this outcome

Change in depression severity from baseline

See comment

No study reported this outcome

Quality of life

See comment

No study reported this outcome

Dropouts due to adverse effects

See comment

No study reported this outcome

*The risk in the intervention group (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; HAMD: Hamilton Depression Rating Scale; HRSD: Hamilton Rating Scale for Depression; RCT: randomised controlled trial; RR: risk ratio.

GRADE Working Group grades of evidence.
High certainty: we are very confident that the true effect lies close to that of the estimate of the effect.
Moderate certainty: we are moderately confident in the effect estimate: the true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different.
Low certainty: our confidence in the effect estimate is limited: the true effect may be substantially different from the estimate of the effect.
Very low certainty: we have very little confidence in the effect estimate: the true effect is likely to be substantially different from the estimate of effect.

aDowngraded one level for high risk of other source of bias.

bDowngraded one level for high risk of publication bias.

cDowngraded one level for imprecision as CIs are consistent with appreciable benefit and appreciable harm.

Figuras y tablas -
Summary of findings 6. Antidepressant plus antipsychotic compared to placebo plus antipsychotic for psychotic depression
Summary of findings 7. Antidepressant plus antipsychotic compared to placebo plus antidepressant for psychotic depression

Antidepressant plus antipsychotic compared to placebo plus antidepressant for psychotic depression

Patient or population: adults with psychotic depression
Setting: hospital
Intervention: antidepressant plus antipsychotic
Comparison: placebo plus antidepressant

Outcomes

Anticipated absolute effects* (95% CI)

Relative effect
(95% CI)

№. of participants
(studies)

Certainty of evidence
(GRADE)

Comments

Risk with placebo plus antidepressant

Risk with antidepressant plus antipsychotic

Clinical response of depression

Study population

RR 1.42
(1.11 to 1.80)

245
(4 RCTs)

⊕⊕⊝⊝
Very lowa,b,c

One study defined response as HRSD‐17 < 7, another study defined response as HAMD‐17 ≦ 10, another study defined response as HAMD‐17 < 11, and a fourth study defined response as reduction in HRSD‐17 > 50%

436 per 1000

619 per 1000
(484 to 784)

Overall dropouts

Study population

RR 0.91
(0.55 to 1.50)

245
(4 RCTs)

⊕⊝⊝⊝
Very lowa,b,d

 

207 per 1,000

189 per 1,000
(114 to 311)

Depression remission

See comment

No study reported this outcome

Change in depression severity from baseline

See comment

No study reported this outcome

Quality of life

See comment

No study reported this outcome

Dropouts due to adverse effects

See comment

No study reported this outcome

*The risk in the intervention group (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; HAMD: Hamilton Depression Rating Scale; HRSD: Hamilton Rating Scale for Depression; RCT: randomised controlled trial; RR: risk ratio.

GRADE Working Group grades of evidence.
High certainty: we are very confident that the true effect lies close to that of the estimate of the effect.
Moderate certainty: we are moderately confident in the effect estimate: the true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different.
Low certainty: our confidence in the effect estimate is limited: the true effect may be substantially different from the estimate of the effect.
Very low certainty: we have very little confidence in the effect estimate: the true effect is likely to be substantially different from the estimate of effect.

aDowngraded for high risk of attrition bias and other source of bias in one study.

bDowngraded one level for high risk of publication bias.

cDowngraded one level for imprecision due to small sample size.

dDowngraded one level for imprecision due to small sample size; CIs are consistent with appreciable benefit and appreciable harm.

Figuras y tablas -
Summary of findings 7. Antidepressant plus antipsychotic compared to placebo plus antidepressant for psychotic depression
Summary of findings 8. Antidepressant plus antipsychotic compared to placebo plus the same antidepressant for psychotic depression

Antidepressant plus antipsychotic compared to placebo plus the same antidepressant for psychotic depression

Patient or population: adults with psychotic depression
Setting: hospital
Intervention: antidepressant plus antipsychotic
Comparison: placebo plus the same antidepressant

Outcomes

Anticipated absolute effects* (95% CI)

Relative effect
(95% CI)

№. of participants
(studies)

Certainty of evidence
(GRADE)

Comments

Risk with placebo plus the same antidepressant

Risk with antidepressant plus antipsychotic

Clinical response of depression

Study population

RR 1.70
(1.19 to 2.43)

157
(3 RCTs)

⊕⊕⊝⊝
Very lowa,b,c

One study defined response as HAMD‐17 < 11, another study defined response as HRSD‐17 < 7, and a third study defined response as ≧ 50% decrease in HAMD‐17 scores from baseline to study endpoint

351 per 1000

596 per 1000
(417 to 852)

Overall dropouts

Study population

RR 1.04
(0.52 to 2.07)

157
(3 RCTs)

⊕⊝⊝⊝
Very lowa,b,d

 

169 per 1000

176 per 1000
(88 to 349)

Depression remission

See comment

No study reported this outcome

Change in depression severity from baseline

See comment

No study reported this outcome

Quality of life

See comment

No study reported this outcome

Dropouts due to adverse effects

See comment

No study reported this outcome

*The risk in the intervention group (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; HAMD: Hamilton Depression Rating Scale; HRSD: Hamilton Rating Scale for Depression; RCT: randomised controlled trial; RR: risk ratio.

GRADE Working Group grades of evidence.
High certainty: we are very confident that the true effect lies close to that of the estimate of the effect.
Moderate certainty: we are moderately confident in the effect estimate: the true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different.
Low certainty: our confidence in the effect estimate is limited: the true effect may be substantially different from the estimate of the effect.
Very low certainty: we have very little confidence in the effect estimate: the true effect is likely to be substantially different from the estimate of effect.

aDowngraded one level for high risk of other source of bias.

bDowngraded one level for high risk of publication bias.

cDowngraded one level for imprecision due to small sample size.

dDowngraded one level for imprecision due to small sample size; CIs are consistent with appreciable harm and appreciable benefit.

Figuras y tablas -
Summary of findings 8. Antidepressant plus antipsychotic compared to placebo plus the same antidepressant for psychotic depression
Comparison 1. Antidepressant versus placebo

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1.1 Clinical response Show forest plot

1

27

Risk Ratio (M‐H, Fixed, 95% CI)

8.40 [0.50, 142.27]

1.2 Dropouts Show forest plot

1

27

Risk Ratio (M‐H, Fixed, 95% CI)

1.24 [0.34, 4.51]

Figuras y tablas -
Comparison 1. Antidepressant versus placebo
Comparison 2. Antipsychotic versus placebo

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

2.1 Clinical response Show forest plot

2

201

Risk Ratio (M‐H, Fixed, 95% CI)

1.13 [0.74, 1.73]

2.2 Dropouts Show forest plot

2

201

Risk Ratio (M‐H, Fixed, 95% CI)

0.79 [0.57, 1.08]

Figuras y tablas -
Comparison 2. Antipsychotic versus placebo
Comparison 3. Antidepressant versus antidepressant

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

3.1 Clinical response Show forest plot

5

Risk Ratio (M‐H, Fixed, 95% CI)

Totals not selected

3.1.1 Imipramine vs venlafaxine

1

Risk Ratio (M‐H, Fixed, 95% CI)

Totals not selected

3.1.2 Imipramine vs mirtazapine

1

Risk Ratio (M‐H, Fixed, 95% CI)

Totals not selected

3.1.3 Imipramine vs fluvoxamine

1

Risk Ratio (M‐H, Fixed, 95% CI)

Totals not selected

3.1.4 Fluvoxamine vs venlafaxine

1

Risk Ratio (M‐H, Fixed, 95% CI)

Totals not selected

3.1.5 Sertraline vs paroxetine

1

Risk Ratio (M‐H, Fixed, 95% CI)

Totals not selected

3.2 Dropouts Show forest plot

5

Risk Ratio (M‐H, Fixed, 95% CI)

Totals not selected

3.2.1 Imipramine vs venlafaxine

1

Risk Ratio (M‐H, Fixed, 95% CI)

Totals not selected

3.2.2 Imipramine vs mirtazapine

1

Risk Ratio (M‐H, Fixed, 95% CI)

Totals not selected

3.2.3 Imipramine vs fluvoxamine

1

Risk Ratio (M‐H, Fixed, 95% CI)

Totals not selected

3.2.4 Fluvoxamine vs venlafaxine

1

Risk Ratio (M‐H, Fixed, 95% CI)

Totals not selected

3.2.5 Sertraline vs paroxetine

1

Risk Ratio (M‐H, Fixed, 95% CI)

Totals not selected

Figuras y tablas -
Comparison 3. Antidepressant versus antidepressant
Comparison 4. Antidepressant versus antipsychotic

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

4.1 Clinical response Show forest plot

1

36

Risk Ratio (M‐H, Fixed, 95% CI)

2.09 [0.64, 6.82]

4.2 Dropouts Show forest plot

1

36

Risk Ratio (M‐H, Fixed, 95% CI)

1.79 [0.18, 18.02]

Figuras y tablas -
Comparison 4. Antidepressant versus antipsychotic
Comparison 5. Antidepressant plus antipsychotic versus placebo

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

5.1 Clinical response Show forest plot

2

Risk Ratio (M‐H, Fixed, 95% CI)

Subtotals only

5.1.1 Fluoxetine + olanzapine vs placebo

2

148

Risk Ratio (M‐H, Fixed, 95% CI)

1.86 [1.23, 2.82]

5.2 Dropouts Show forest plot

2

Risk Ratio (M‐H, Fixed, 95% CI)

Subtotals only

5.2.1 Fluoxetine + olanzapine vs placebo

2

148

Risk Ratio (M‐H, Fixed, 95% CI)

0.75 [0.48, 1.18]

Figuras y tablas -
Comparison 5. Antidepressant plus antipsychotic versus placebo
Comparison 6. Antidepressant plus antipsychotic versus placebo plus antipsychotic

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

6.1 Clinical response Show forest plot

4

447

Risk Ratio (M‐H, Fixed, 95% CI)

1.83 [1.40, 2.38]

6.1.1 Amitriptyline + perphenazine vs perphenazine

1

39

Risk Ratio (M‐H, Fixed, 95% CI)

3.61 [1.23, 10.56]

6.1.2 Fluoxetine + olanzapine vs olanzapine

2

149

Risk Ratio (M‐H, Fixed, 95% CI)

1.64 [1.10, 2.44]

6.1.3 Olanzapine + sertraline vs olanzapine

1

259

Risk Ratio (M‐H, Fixed, 95% CI)

1.76 [1.21, 2.54]

6.2 Dropouts Show forest plot

4

447

Risk Ratio (M‐H, Fixed, 95% CI)

0.79 [0.63, 1.01]

6.2.1 Amitriptyline + perphenazine vs perphenazine

1

39

Risk Ratio (M‐H, Fixed, 95% CI)

3.09 [0.38, 25.19]

6.2.2 Fluoxetine + olanzapine vs olanzapine

2

149

Risk Ratio (M‐H, Fixed, 95% CI)

0.95 [0.59, 1.53]

6.2.3 Olanzapine + sertraline vs olanzapine

1

259

Risk Ratio (M‐H, Fixed, 95% CI)

0.70 [0.53, 0.92]

Figuras y tablas -
Comparison 6. Antidepressant plus antipsychotic versus placebo plus antipsychotic
Comparison 7. Antidepressant plus antipsychotic versus placebo plus antidepressant

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

7.1 Clinical response Show forest plot

4

245

Risk Ratio (M‐H, Fixed, 95% CI)

1.42 [1.11, 1.80]

7.1.1 Nortriptyline + perphenazine vs nortriptyline

1

36

Risk Ratio (M‐H, Fixed, 95% CI)

1.12 [0.49, 2.53]

7.1.2 Venlafaxine + quetiapine vs venlafaxine

1

59

Risk Ratio (M‐H, Fixed, 95% CI)

1.95 [1.13, 3.37]

7.1.3 Amitriptyline + perphenazine vs amitriptyline

1

41

Risk Ratio (M‐H, Fixed, 95% CI)

1.73 [0.89, 3.37]

7.1.4 Amitriptyline + perphenazine vs amoxapine

1

46

Risk Ratio (M‐H, Fixed, 95% CI)

1.19 [0.75, 1.88]

7.1.5 Venlafaxine + quetiapine vs imipramine

1

63

Risk Ratio (M‐H, Fixed, 95% CI)

1.27 [0.84, 1.93]

7.2 Dropouts Show forest plot

4

245

Risk Ratio (M‐H, Fixed, 95% CI)

0.91 [0.55, 1.50]

7.2.1 Nortriptyline + perphenazine vs nortriptyline

1

36

Risk Ratio (M‐H, Fixed, 95% CI)

1.12 [0.26, 4.81]

7.2.2 Venlafaxine + quetiapine vs venlafaxine

1

59

Risk Ratio (M‐H, Fixed, 95% CI)

0.73 [0.22, 2.46]

7.2.3 Amitriptyline + perphenazine vs amitriptyline

1

41

Risk Ratio (M‐H, Fixed, 95% CI)

1.73 [0.35, 8.41]

7.2.4 Amitriptyline + perphenazine vs amoxapine

1

46

Risk Ratio (M‐H, Fixed, 95% CI)

0.65 [0.29, 1.45]

7.2.5 Venlafaxine + quetiapine vs imipramine

1

63

Risk Ratio (M‐H, Fixed, 95% CI)

1.14 [0.38, 3.47]

Figuras y tablas -
Comparison 7. Antidepressant plus antipsychotic versus placebo plus antidepressant
Comparison 8. Antidepressant plus antipsychotic versus placebo plus the same antidepressant

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

8.1 Clinical response Show forest plot

3

157

Risk Ratio (M‐H, Fixed, 95% CI)

1.70 [1.19, 2.43]

8.2 Dropouts Show forest plot

3

157

Risk Ratio (M‐H, Fixed, 95% CI)

1.04 [0.52, 2.07]

8.2.1 Nortriptyline + perphenazine vs nortriptyline

1

36

Risk Ratio (M‐H, Fixed, 95% CI)

1.12 [0.26, 4.81]

8.2.2 Venlafaxine + quetiapine vs venlafaxine

1

80

Risk Ratio (M‐H, Fixed, 95% CI)

0.83 [0.33, 2.08]

8.2.3 Amitriptyline + perphenazine vs amitriptyline

1

41

Risk Ratio (M‐H, Fixed, 95% CI)

1.73 [0.35, 8.41]

Figuras y tablas -
Comparison 8. Antidepressant plus antipsychotic versus placebo plus the same antidepressant