Cochrane · systematic review · CD012236

Interventions for prodromal stage of psychosis

Bosnjak Kuharic, D, Kekin, I, Hew, J, et al. · Cochrane Database of Systematic Reviews · 2019 · Cochrane Library

SchizophreniaAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
91
current version
GRADE rated
51
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 40 · 44%Very low 46 · 50.5%Low 5 · 5.5%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Group A: amino acids compared to placebo for prodromal stage of psychosis

Population: people in the prodromal stage of psychosis
7 questions
OutcomeEffectEvidenceStatus / GRADE
Prodromal symptoms: transition to psychosis Endpoint data (events)
Group A: amino acids vs placebo
RR 0.48 [0.08, 2.98]2 studies · 52 participantsVery low
Downgraded: risk of bias, imprecision
Global state: clinically important change in global state
Group A: amino acids vs placebo
no estimate extracted0 studies · 0 participantsUngraded
Mental state: psychosis risk symptoms Average total score (SOPS total score; higher score = worse, scale from: 0‐114) Short‐term
Group A: amino acids vs placebo
no estimate extracted1 study · 8 participantsVery low
Downgraded: risk of bias, imprecision
Behaviour: clinically important change in behaviour
Group A: amino acids vs placebo
no estimate extracted0 studies · 0 participantsUngraded
Adverse effects: suicidal thoughts Short‐term (events)
Group A: amino acids vs placebo
RR 3.57 [0.15, 83.14]1 study · 44 participantsVery low
Downgraded: risk of bias, imprecision
Quality of life: clinically important change in quality of life
Group A: amino acids vs placebo
no estimate extracted0 studies · 0 participantsUngraded
Satisfaction with treatment: leaving the study early Endpoint data (events)
Group A: amino acids vs placebo
RR 0.96 [0.55, 1.69]2 studies · 52 participantsVery low
Downgraded: risk of bias, imprecision

Group A: omega‐3 fatty acids compared to placebo for prodromal stage of psychosis

Population: people in the prodromal stage of psychosis
7 questions
OutcomeEffectEvidenceStatus / GRADE
Prodromal symptoms: transition to psychosis Long‐term (events)
Group A: omega‐3 fatty acids vs placebo
RR 0.24 [0.09, 0.67]1 study · 81 participantsLow
Downgraded: imprecision
Global state: antipsychotic prescription Long‐term (events)
Group A: omega‐3 fatty acids vs placebo
RR 0.54 [0.3, 0.99]1 study · 69 participantsLow
Downgraded: imprecision
Mental state: psychotic symptoms Average total score (PANSS, higher score = worse, scale from 30‐210) Long‐term (up to 7 years)
Group A: omega‐3 fatty acids vs placebo
no estimate extracted1 study · 81 participantsLow
Downgraded: imprecision
Behaviour: clinically important change in behaviour
Group A: omega‐3 fatty acids vs placebo
no estimate extracted0 studies · 0 participantsUngraded
Adverse effects: neurological, extrapyramidal UKU (events) Medium‐term
Group A: omega‐3 fatty acids vs placebo
RR 2.57 [0.94, 7.02]1 study · 304 participantsLow
Downgraded: imprecision
Quality of life: clinically important change in quality of life
Group A: omega‐3 fatty acids vs placebo
no estimate extracted0 studies · 0 participantsUngraded
Satisfaction with treatment: leaving the study early Long‐term (events)
Group A: omega‐3 fatty acids vs placebo
RR 1.46 [0.45, 4.8]1 study · 81 participantsLow
Downgraded: imprecision

Group B antipsychotic drugs: amisulpiride + needs‐focused intervention compared to needs‐focused intervention for prodromal stage of psychosis

Population: people in the prodromal stage of psychosis
7 questions
OutcomeEffectEvidenceStatus / GRADE
Prodromal symptoms: transition to psychosis
Group B antipsychotic drugs: amisulpiride + needs‐focused intervention vs needs‐focused intervention
no estimate extracted0 studies · 0 participantsUngraded
Global state: clinically important change in global state
Group B antipsychotic drugs: amisulpiride + needs‐focused intervention vs needs‐focused intervention
no estimate extracted0 studies · 0 participantsUngraded
Mental state: clinically important change in mental state
Group B antipsychotic drugs: amisulpiride + needs‐focused intervention vs needs‐focused intervention
no estimate extracted0 studies · 0 participantsUngraded
Behaviour: clinically important change in behaviour
Group B antipsychotic drugs: amisulpiride + needs‐focused intervention vs needs‐focused intervention
no estimate extracted0 studies · 0 participantsUngraded
Adverse effects: suicidal thoughts (events)
Group B antipsychotic drugs: amisulpiride + needs‐focused intervention vs needs‐focused intervention
RR 0.25 [0.01, 6.1]1 study · 102 participantsVery low
Downgraded: risk of bias, imprecision
Quality of life: clinically important change in quality of life
Group B antipsychotic drugs: amisulpiride + needs‐focused intervention vs needs‐focused intervention
no estimate extracted0 studies · 0 participantsUngraded
Satisfaction with treatment: leaving the study early Endpoint data (events)
Group B antipsychotic drugs: amisulpiride + needs‐focused intervention vs needs‐focused intervention
RR 0.59 [0.38, 0.94]1 study · 124 participantsVery low
Downgraded: risk of bias, imprecision

Group B antipsychotic drugs: olanzapine + supportive intervention compared to placebo + supportive intervention for prodromal stage of psychosis

Population: people in the prodromal stage of psychosis
7 questions
OutcomeEffectEvidenceStatus / GRADE
Prodromal symptoms: transition to psychosis Endpoint data, (events) Medium‐term
Group B antipsychotic drugs: olanzapine + supportive intervention vs placebo + supportive intervention
RR 0.58 [0.28, 1.18]1 study · 60 participantsVery low
Downgraded: risk of bias, imprecision
Global state: global illness severity Average total score, CGI (higher score = worse, scale from: 2‐14) Medium‐term
Group B antipsychotic drugs: olanzapine + supportive intervention vs placebo + supportive intervention
no estimate extracted1 study · 59 participantsVery low
Downgraded: risk of bias, imprecision
Mental state: psychosis risk symptoms SOPS total (higher score = worse, scale from: 0‐114)
Group B antipsychotic drugs: olanzapine + supportive intervention vs placebo + supportive intervention
no estimate extracted1 study · 59 participantsVery low
Downgraded: risk of bias, imprecision
Behaviour: clinically important change in behaviour
Group B antipsychotic drugs: olanzapine + supportive intervention vs placebo + supportive intervention
no estimate extracted0 studies · 0 participantsUngraded
Adverse effects: average weight gain change kg gained (higher scores = worse) Medium‐term
Group B antipsychotic drugs: olanzapine + supportive intervention vs placebo + supportive intervention
no estimate extracted1 study · 59 participantsVery low
Downgraded: risk of bias, imprecision
Quality of life: clinically important change in quality of life
Group B antipsychotic drugs: olanzapine + supportive intervention vs placebo + supportive intervention
no estimate extracted0 studies · 0 participantsUngraded
Satisfaction with treatment: leaving the study early Endpoint data (events) Medium‐term
Group B antipsychotic drugs: olanzapine + supportive intervention vs placebo + supportive intervention
RR 1.59 [0.88, 2.88]1 study · 60 participantsVery low
Downgraded: risk of bias, imprecision

Group B cognitive behavioural therapy: cognitive behavioural therapy + supportive therapy compared to supportive therapy for prodromal stage of psychosis

Population: people in the prodromal stage of psychosis
7 questions
OutcomeEffectEvidenceStatus / GRADE
Prodromal symptoms: transition to psychosis Long‐term (events)
Group B cognitive behavioural therapy: cognitive behavioural therapy + supportive therapy vs supportive therapy
RR 0.45 [0.23, 0.89]2 studies · 252 participantsVery low
Downgraded: risk of bias, imprecision
Global state: clinically important change in global state
Group B cognitive behavioural therapy: cognitive behavioural therapy + supportive therapy vs supportive therapy
no estimate extracted0 studies · 0 participantsUngraded
Mental state PANSS total (higher score = worse, scale from: 30‐210)
Group B cognitive behavioural therapy: cognitive behavioural therapy + supportive therapy vs supportive therapy
no estimate extracted1 study · 68 participantsVery low
Downgraded: risk of bias, imprecision
Behaviour: clinically important change in behaviour
Group B cognitive behavioural therapy: cognitive behavioural therapy + supportive therapy vs supportive therapy
no estimate extracted0 studies · 0 participantsUngraded
Adverse effects: at least one serious adverse event
Group B cognitive behavioural therapy: cognitive behavioural therapy + supportive therapy vs supportive therapy
no estimate extracted0 studies · 0 participantsUngraded
Quality of life Average total score, MANSA (higher score = better, scale from: 16‐112) Long‐term
Group B cognitive behavioural therapy: cognitive behavioural therapy + supportive therapy vs supportive therapy
no estimate extracted1 study · 140 participantsVery low
Downgraded: risk of bias, imprecision
Satisfaction with treatment: leaving the study early Endpoint data (events) Additional
Group B cognitive behavioural therapy: cognitive behavioural therapy + supportive therapy vs supportive therapy
RR 0.96 [0.74, 1.24]2 studies · 261 participantsVery low
Downgraded: risk of bias, imprecision

Group B cognitive behavioural therapy: cognitive behavioural therapy + risperidone compared to cognitive behavioural therapy + placebo for prodromal stage of psychosis

Population: people in the prodromal stage of psychosis
7 questions
OutcomeEffectEvidenceStatus / GRADE
Prodromal symptoms: transition to psychosis Endpoint data (events)
Group B cognitive behavioural therapy: cognitive behavioural therapy + risperidone vs cognitive behavioural therapy + placebo
RR 1.02 [0.39, 2.67]1 study · 87 participantsVery low
Downgraded: risk of bias, imprecision
Global state: clinically important change in global state
Group B cognitive behavioural therapy: cognitive behavioural therapy + risperidone vs cognitive behavioural therapy + placebo
no estimate extracted0 studies · 0 participantsUngraded
Mental state: psychopathology Total endpoint data, BPRS (higher score = worse, scale from 0‐126)
Group B cognitive behavioural therapy: cognitive behavioural therapy + risperidone vs cognitive behavioural therapy + placebo
no estimate extracted1 study · 51 participantsVery low
Downgraded: risk of bias, imprecision
Behaviour: clinically important change in behaviour
Group B cognitive behavioural therapy: cognitive behavioural therapy + risperidone vs cognitive behavioural therapy + placebo
no estimate extracted0 studies · 0 participantsUngraded
Adverse effects: specific ‐ doctors' assessment of adverse effects UKU (events) Medium‐term
Group B cognitive behavioural therapy: cognitive behavioural therapy + risperidone vs cognitive behavioural therapy + placebo
RR 1.03 [0.55, 1.91]1 study · 65 participantsVery low
Downgraded: risk of bias, imprecision
Quality of life Average endpoint score, QLS (higher score = better, scale from: 0‐126) Medium‐term
Group B cognitive behavioural therapy: cognitive behavioural therapy + risperidone vs cognitive behavioural therapy + placebo
no estimate extracted1 study · 51 participantsVery low
Downgraded: risk of bias, imprecision
Satisfaction with treatment: leaving the study early Endpoint data (events)
Group B cognitive behavioural therapy: cognitive behavioural therapy + risperidone vs cognitive behavioural therapy + placebo
RR 1.09 [0.62, 1.92]1 study · 87 participantsVery low
Downgraded: risk of bias, imprecision

Group B cognitive behavioural therapy: cognitive behavioural therapy (specific preventive intervention) + needs‐based intervention + risperidone compared to needs‐based intervention for prodromal stage of psychosis

Population: people in the prodromal stage of psychosis
7 questions
OutcomeEffectEvidenceStatus / GRADE
Prodromal symptoms: transition to psychosis Endpoint data (events) Long‐term
Group B cognitive behavioural therapy: cognitive behavioural therapy (specific preventive intervention) + needs‐based intervention + risperidone vs needs‐based intervention
RR 0.75 [0.39, 1.46]1 study · 59 participantsVery low
Downgraded: risk of bias, imprecision
Global state: clinically important change in global state
Group B cognitive behavioural therapy: cognitive behavioural therapy (specific preventive intervention) + needs‐based intervention + risperidone vs needs‐based intervention
no estimate extracted0 studies · 0 participantsUngraded
Mental state: psychopathology Total endpoint data, BPRS (higher score = worse, scale from: 0‐126)
Group B cognitive behavioural therapy: cognitive behavioural therapy (specific preventive intervention) + needs‐based intervention + risperidone vs needs‐based intervention
no estimate extracted1 study · 40 participantsVery low
Downgraded: risk of bias, imprecision
Behaviour: clinically important change in behaviour
Group B cognitive behavioural therapy: cognitive behavioural therapy (specific preventive intervention) + needs‐based intervention + risperidone vs needs‐based intervention
no estimate extracted0 studies · 0 participantsUngraded
Adverse effects: at least one serious adverse event
Group B cognitive behavioural therapy: cognitive behavioural therapy (specific preventive intervention) + needs‐based intervention + risperidone vs needs‐based intervention
no estimate extracted0 studies · 0 participantsUngraded
Quality of life Average endpoint score, QLS (higher score = better, scale from: 0‐126) Long‐term
Group B cognitive behavioural therapy: cognitive behavioural therapy (specific preventive intervention) + needs‐based intervention + risperidone vs needs‐based intervention
no estimate extracted1 study · 40 participantsVery low
Downgraded: risk of bias, imprecision
Satisfaction with treatment: leaving the study early (events) Long‐term
Group B cognitive behavioural therapy: cognitive behavioural therapy (specific preventive intervention) + needs‐based intervention + risperidone vs needs‐based intervention
RR 0.57 [0.26, 1.28]1 study · 59 participantsVery low
Downgraded: risk of bias, imprecision

Group C cognitive behavioural therapy: cognitive behavioural therapy + placebo compared to supportive therapy + placebo for prodromal stage of psychosis

Population: people in the prodromal stage of psychosis
7 questions
OutcomeEffectEvidenceStatus / GRADE
Prodromal symptoms: transition to psychosis Endpoint data (events)
Group C cognitive behavioural therapy: cognitive behavioural therapy + placebo vs supportive therapy + placebo
RR 0.74 [0.28, 1.98]1 study · 72 participantsVery low
Downgraded: risk of bias, imprecision
Global state: clinically important change in global state
Group C cognitive behavioural therapy: cognitive behavioural therapy + placebo vs supportive therapy + placebo
no estimate extracted0 studies · 0 participantsUngraded
Mental state: psychopathology Total endpoint data, BPRS (higher score = worse, scale from 0‐126)
Group C cognitive behavioural therapy: cognitive behavioural therapy + placebo vs supportive therapy + placebo
no estimate extracted1 study · 45 participantsVery low
Downgraded: risk of bias, imprecision
Behaviour: clinically important change in behaviour
Group C cognitive behavioural therapy: cognitive behavioural therapy + placebo vs supportive therapy + placebo
no estimate extracted0 studies · 0 participantsUngraded
Adverse effects: specific ‐ doctors' assessment of adverse effects UKU (events) Medium‐term
Group C cognitive behavioural therapy: cognitive behavioural therapy + placebo vs supportive therapy + placebo
RR 1.39 [0.61, 3.18]1 study · 51 participantsVery low
Downgraded: risk of bias, imprecision
Quality of life Average endpoint scores, QLS (higher score = better, scale from 0‐126) Medium‐term
Group C cognitive behavioural therapy: cognitive behavioural therapy + placebo vs supportive therapy + placebo
no estimate extracted1 study · 44 participantsVery low
Downgraded: risk of bias, imprecision
Satisfaction with treatment: leaving the study early Endpoint data (events)
Group C cognitive behavioural therapy: cognitive behavioural therapy + placebo vs supportive therapy + placebo
RR 1.06 [0.54, 2.09]1 study · 72 participantsVery low
Downgraded: risk of bias, imprecision

Group C cognitive behavioural therapy: cognitive behavioural therapy + supportive intervention compared to non‐directive reflective listening + supportive intervention for prodromal stage of psychosis

Population: people in the prodromal stage of psychosis
7 questions
OutcomeEffectEvidenceStatus / GRADE
Prodromal symptoms: transition to psychosis Endpoint data (events)
Group C cognitive behavioural therapy: cognitive behavioural therapy + supportive intervention vs non‐directive reflective listening + supportive intervention
RR 6.32 [0.34, 117.09]1 study · 57 participantsVery low
Downgraded: risk of bias, imprecision
Global state: clinically important change in global state
Group C cognitive behavioural therapy: cognitive behavioural therapy + supportive intervention vs non‐directive reflective listening + supportive intervention
no estimate extracted0 studies · 0 participantsUngraded
Mental state: clinically important change in mental state
Group C cognitive behavioural therapy: cognitive behavioural therapy + supportive intervention vs non‐directive reflective listening + supportive intervention
no estimate extracted0 studies · 0 participantsUngraded
Behaviour: clinically important change in behaviour
Group C cognitive behavioural therapy: cognitive behavioural therapy + supportive intervention vs non‐directive reflective listening + supportive intervention
no estimate extracted0 studies · 0 participantsUngraded
Adverse effects: at least one serious adverse event
Group C cognitive behavioural therapy: cognitive behavioural therapy + supportive intervention vs non‐directive reflective listening + supportive intervention
no estimate extracted0 studies · 0 participantsUngraded
Quality of life: clinically important change in quality of life
Group C cognitive behavioural therapy: cognitive behavioural therapy + supportive intervention vs non‐directive reflective listening + supportive intervention
no estimate extracted0 studies · 0 participantsUngraded
Satisfaction with treatment: leaving the study early Endpoint data (events)
Group C cognitive behavioural therapy: cognitive behavioural therapy + supportive intervention vs non‐directive reflective listening + supportive intervention
RR 1.35 [0.81, 2.25]1 study · 57 participantsVery low
Downgraded: risk of bias, imprecision

Group C cognitive behavioural therapy: cognitive behavioural therapy + risperidone compared to supportive therapy + placebo for prodromal stage of psychosis

Population: people in the prodromal stage of psychosis
7 questions
OutcomeEffectEvidenceStatus / GRADE
Prodromal symptoms: transition to psychosis Endpoint data (events)
Group C cognitive behavioural therapy: cognitive behavioural therapy + risperidone vs supportive therapy + placebo
RR 0.76 [0.28, 2.03]1 study · 71 participantsVery low
Downgraded: risk of bias
Global state: clinically important change in global state
Group C cognitive behavioural therapy: cognitive behavioural therapy + risperidone vs supportive therapy + placebo
no estimate extracted0 studies · 0 participantsUngraded
Mental state: psychopathology Total endpoint data, BPRS (higher score = worse, scale from: 0‐126)
Group C cognitive behavioural therapy: cognitive behavioural therapy + risperidone vs supportive therapy + placebo
no estimate extracted1 study · 42 participantsVery low
Downgraded: risk of bias
Behaviour: clinically important change in behaviour
Group C cognitive behavioural therapy: cognitive behavioural therapy + risperidone vs supportive therapy + placebo
no estimate extracted0 studies · 0 participantsUngraded
Adverse effects: doctors' assessment of adverse effects UKU (events) Medium‐term
Group C cognitive behavioural therapy: cognitive behavioural therapy + risperidone vs supportive therapy + placebo
RR 1.43 [0.64, 3.16]1 study · 58 participantsVery low
Downgraded: risk of bias
Quality of life Average endpoint scores, QLS (higher score = better, scale from: 0‐126) Medium‐term
Group C cognitive behavioural therapy: cognitive behavioural therapy + risperidone vs supportive therapy + placebo
no estimate extracted1 study · 43 participantsVery low
Downgraded: risk of bias
Satisfaction with treatment: leaving the study early Endpoint data (events)
Group C cognitive behavioural therapy: cognitive behavioural therapy + risperidone vs supportive therapy + placebo
RR 1.16 [0.6, 2.25]1 study · 71 participantsVery low
Downgraded: risk of bias

Group C other: cognitive training compared to active control (tablet games) for prodromal stage of psychosis

Population: people in the prodromal stage of psychosis
7 questions
OutcomeEffectEvidenceStatus / GRADE
Prodromal symptoms: transition to psychosis
Group C other: cognitive training vs active control (tablet games)
no estimate extracted0 studies · 0 participantsUngraded
Global state: clinically important change in global state
Group C other: cognitive training vs active control (tablet games)
no estimate extracted0 studies · 0 participantsUngraded
Mental state: psychosis risk symptoms SOPS total (higher score = worse, scale from: 0‐114)
Group C other: cognitive training vs active control (tablet games)
no estimate extracted1 study · 62 participantsVery low
Downgraded: risk of bias, imprecision
Behaviour: clinically important change in behaviour
Group C other: cognitive training vs active control (tablet games)
no estimate extracted0 studies · 0 participantsUngraded
Adverse effects: at least one serious adverse event
Group C other: cognitive training vs active control (tablet games)
no estimate extracted0 studies · 0 participantsUngraded
Quality of life: clinically important change in quality of life
Group C other: cognitive training vs active control (tablet games)
no estimate extracted0 studies · 0 participantsUngraded
Satisfaction with treatment: leaving the study early Endpoint data (events) Long‐term
Group C other: cognitive training vs active control (tablet games)
RR 0.78 [0.48, 1.29]1 study · 83 participantsVery low
Downgraded: risk of bias, imprecision

Group C other: family treatment compared to enhanced care for prodromal stage of psychosis

Population: people in the prodromal stage of psychosis
7 questions
OutcomeEffectEvidenceStatus / GRADE
Prodromal symptoms: transition to psychosis FACT Long‐term
Group C other: family treatment vs enhanced care
RR 0.71 [0.35, 1.45]1 study · 100 participantsVery low
Downgraded: risk of bias, imprecision
Global state: antipsychotic prescriptions (events)
Group C other: family treatment vs enhanced care
RR 1.18 [0.69, 2.02]1 study · 129 participantsVery low
Downgraded: risk of bias, imprecision
Mental state: specific ‐ psychosis risk, positive symptoms Average total score, SOPS positive (higher score = worse, scale from 0‐30) Short‐term
Group C other: family treatment vs enhanced care
no estimate extracted1 study · 102 participantsVery low
Downgraded: risk of bias, imprecision
Behaviour: clinically important change in behaviour
Group C other: family treatment vs enhanced care
no estimate extracted0 studies · 0 participantsUngraded
Adverse events: suicide (events) Long‐term (by 24 months)
Group C other: family treatment vs enhanced care
RR 1 [0.06, 15.55]1 study · 100 participantsVery low
Downgraded: risk of bias, imprecision
Quality of life: clinically important change in quality of life
Group C other: family treatment vs enhanced care
no estimate extracted0 studies · 0 participantsUngraded
Satisfaction with treatment: leaving the study early FACT Long‐term
Group C other: family treatment vs enhanced care
RR 0.94 [0.52, 1.68]1 study · 100 participantsVery low
Downgraded: risk of bias, imprecision

Group C other: integrated treatment compared to standard treatment for prodromal stage of psychosis

Population: people in the prodromal stage of psychosis
7 questions
OutcomeEffectEvidenceStatus / GRADE
Prodromal symptoms: transition to psychosis Endpoint data (events) Long‐term
Group C other: integrated treatment vs standard treatment
RR 0.57 [0.28, 1.15]1 study · 79 participantsVery low
Downgraded: risk of bias, imprecision
Global state: clinically important change in global state
Group C other: integrated treatment vs standard treatment
no estimate extracted0 studies · 0 participantsUngraded
Mental state SANS total (higher score = worse, scale from 0‐130)
Group C other: integrated treatment vs standard treatment
no estimate extracted1 study · 57 participantsVery low
Downgraded: risk of bias, imprecision
Behaviour: clinically important change in behaviour
Group C other: integrated treatment vs standard treatment
no estimate extracted0 studies · 0 participantsUngraded
Adverse effects: at least one serious adverse event
Group C other: integrated treatment vs standard treatment
no estimate extracted0 studies · 0 participantsUngraded
Quality of life: clinically important change in quality of life
Group C other: integrated treatment vs standard treatment
no estimate extracted0 studies · 0 participantsUngraded
Satisfaction with treatment: leaving the study early Endpoint data (events)
Group C other: integrated treatment vs standard treatment
RR 0.66 [0.25, 1.73]1 study · 79 participantsVery low
Downgraded: risk of bias, imprecision