Gap finder

Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

2,206 questions in 117 reviews · Common Mental Disorders

current versions
No studies 387 · 17.5%Ungraded 111 · 5%Very low 635 · 28.8%Low 568 · 25.7%Moderate 449 · 20.4%High 56 · 2.5%

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.

QuestionEffectEvidenceStatus / GRADE
Antidepressants vs opioid antagonists
Anxiety symptoms · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extracted2 studies · 62 participantsVery low
Antidepressants vs opioid antagonists
Functional impairment ‐ not measured · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extractedNRNo studies
Antidepressants vs placebo
Time spent gambling · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extracted1 study · 39 participantsLow
Antidepressants vs opioid antagonists
Responder status · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
RR 1.01 [0.54, 1.87]1 study · 36 participantsVery low
Antidepressants vs mood stabilisers
Gambling symptom severity · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extracted1 study · 31 participantsVery low
Antidepressants vs mood stabilisers
Gambling expenditure ‐ not measured · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extractedNRNo studies
Antidepressants vs mood stabilisers
Gambling frequency ‐ not measured · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extractedNRNo studies
Antidepressants vs mood stabilisers
Time spent gambling ‐ not measured · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extractedNRNo studies
Antidepressants vs mood stabilisers
Depressive symptoms · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extracted2 studies · 58 participantsVery low
Antidepressants vs mood stabilisers
Anxiety symptoms · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extracted2 studies · 58 participantsVery low
Antidepressants vs mood stabilisers
Functional impairment ‐ not measured · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extractedNRNo studies
Antidepressants vs mood stabilisers
Responder status · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
RR 0.63 [0.29, 1.33]1 study · 31 participantsVery low
Opioid antagonists vs mood stabilisers
Gambling symptom severity ‐ not measured · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extractedNRNo studies
Antidepressants vs placebo
Depressive symptoms · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extracted3 studies · 90 participantsLow
Opioid antagonists vs mood stabilisers
Gambling expenditure ‐ not measured · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extractedNRNo studies
Opioid antagonists vs mood stabilisers
Gambling frequency ‐ not measured · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extractedNRNo studies
Opioid antagonists vs mood stabilisers
Time spent gambling ‐ not measured · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extractedNRNo studies
Opioid antagonists vs mood stabilisers
Depressive symptoms · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extracted1 study · 24 participantsVery low
Opioid antagonists vs mood stabilisers
Anxiety symptoms · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extracted1 study · 24 participantsVery low
Opioid antagonists vs mood stabilisers
Functional impairment ‐ not measured · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extractedNRNo studies
Opioid antagonists vs mood stabilisers
Responder status ‐ not measured · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extractedNRNo studies
Antidepressants vs placebo
Anxiety symptoms · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extracted1 study · 41 participantsVery low
Antidepressants vs placebo
Functional impairment · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extracted2 studies · 110 participantsLow
Antidepressants vs placebo
Responder status · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
RR 1.24 [0.93, 1.66]6 studies · 268 participantsVery low
Opioid antagonists vs placebo
Gambling symptom severity · treatment of disordered and problem gambling
Pharmacological interventions for the treatment of disordered and problem gambling (2022) · Cochrane
no estimate extracted3 studies · 259 participantsLow
Hydrocortisone vs placebo
PTSD severity at 3 months ‐ not measured · adults (aged 18 and older) exposed to a traumatic event
Early pharmacological interventions for universal prevention of post‐traumatic stress disorder (PTSD) (2022) · Cochrane
no estimate extractedNRNo studies
Propranolol vs placebo
Quality of life at 3 months ‐ not measured · adults (aged 18 and older) exposed to a traumatic event
Early pharmacological interventions for universal prevention of post‐traumatic stress disorder (PTSD) (2022) · Cochrane
no estimate extractedNRNo studies
Gabapentin vs placebo
PTSD severity at 3 months · adults (aged 18 and older) exposed to a traumatic event
Early pharmacological interventions for universal prevention of post‐traumatic stress disorder (PTSD) (2022) · Cochrane
no estimate extracted1 study · 1 participantsVery low
Gabapentin vs placebo
Dropout due to adverse events at 3 months ‐ not measured · adults (aged 18 and older) exposed to a traumatic event
Early pharmacological interventions for universal prevention of post‐traumatic stress disorder (PTSD) (2022) · Cochrane
no estimate extractedNRNo studies
Gabapentin vs placebo
PTSD rate at 3 months · adults (aged 18 and older) exposed to a traumatic event
Early pharmacological interventions for universal prevention of post‐traumatic stress disorder (PTSD) (2022) · Cochrane
RR 0.8 [0.18, 3.59]1 study · 26 participantsVery low
Gabapentin vs placebo
Functional disability at 3 months ‐ not measured · adults (aged 18 and older) exposed to a traumatic event
Early pharmacological interventions for universal prevention of post‐traumatic stress disorder (PTSD) (2022) · Cochrane
no estimate extractedNRNo studies
Gabapentin vs placebo
Quality of life at 3 months ‐ not measured · adults (aged 18 and older) exposed to a traumatic event
Early pharmacological interventions for universal prevention of post‐traumatic stress disorder (PTSD) (2022) · Cochrane
no estimate extractedNRNo studies
Hydrocortisone vs placebo
Dropout due to adverse events at 3 months ‐ not measured · adults (aged 18 and older) exposed to a traumatic event
Early pharmacological interventions for universal prevention of post‐traumatic stress disorder (PTSD) (2022) · Cochrane
no estimate extractedNRNo studies
Hydrocortisone vs placebo
PTSD rate at 3 months ‐ not measured · adults (aged 18 and older) exposed to a traumatic event
Early pharmacological interventions for universal prevention of post‐traumatic stress disorder (PTSD) (2022) · Cochrane
no estimate extractedNRNo studies
Hydrocortisone vs placebo
Functional disability at 3 months ‐ not measured · adults (aged 18 and older) exposed to a traumatic event
Early pharmacological interventions for universal prevention of post‐traumatic stress disorder (PTSD) (2022) · Cochrane
no estimate extractedNRNo studies
Hydrocortisone vs placebo
Quality of life at 3 months ‐ not measured · adults (aged 18 and older) exposed to a traumatic event
Early pharmacological interventions for universal prevention of post‐traumatic stress disorder (PTSD) (2022) · Cochrane
no estimate extractedNRNo studies
Propranolol vs placebo
PTSD severity at 3 months · adults (aged 18 and older) exposed to a traumatic event
Early pharmacological interventions for universal prevention of post‐traumatic stress disorder (PTSD) (2022) · Cochrane
no estimate extracted3 studies · 86 participantsVery low
Propranolol vs placebo
Dropout due to adverse events at 3 months ‐ not measured · adults (aged 18 and older) exposed to a traumatic event
Early pharmacological interventions for universal prevention of post‐traumatic stress disorder (PTSD) (2022) · Cochrane
no estimate extractedNRNo studies
Propranolol vs placebo
PTSD rate at 3 months · adults (aged 18 and older) exposed to a traumatic event
Early pharmacological interventions for universal prevention of post‐traumatic stress disorder (PTSD) (2022) · Cochrane
RR 0.77 [0.31, 1.92]3 studies · 88 participantsVery low
Propranolol vs placebo
Functional disability at 3 months ‐ not measured · adults (aged 18 and older) exposed to a traumatic event
Early pharmacological interventions for universal prevention of post‐traumatic stress disorder (PTSD) (2022) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Teaching Recovery Techniques vs waiting list
Symptoms of post‐traumatic stress at 3 months post‐treatment · health problem or population
Community‐based interventions for improving mental health in refugee children and adolescents in high‐income… (2022) · Cochrane
no estimate extracted1 study · 63 participantsLow
Summary of findings table ‐ Teaching Recovery Techniques vs waiting list
Symptoms of depression at 3 months post‐treatment · health problem or population
Community‐based interventions for improving mental health in refugee children and adolescents in high‐income… (2022) · Cochrane
no estimate extracted1 study · 63 participantsLow
Summary of findings table ‐ Teaching Recovery Techniques vs waiting list
Psychological distress post‐treatment · health problem or population
Community‐based interventions for improving mental health in refugee children and adolescents in high‐income… (2022) · Cochrane
no estimate extracted1 study · 16 participantsVery low
Summary of findings table ‐ Teaching Recovery Techniques vs waiting list
Child behaviour post‐treatment · health problem or population
Community‐based interventions for improving mental health in refugee children and adolescents in high‐income… (2022) · Cochrane
no estimate extracted1 study · 16 participantsVery low
Summary of findings table ‐ Teaching Recovery Techniques vs waiting list
Externalising behaviours 5 weeks post‐treatment · health problem or population
Community‐based interventions for improving mental health in refugee children and adolescents in high‐income… (2022) · Cochrane
no estimate extracted1 study · 31 participantsVery low
Summary of findings table ‐ Teaching Recovery Techniques vs waiting list
Externalising behaviours 3 months post‐treatment · health problem or population
Community‐based interventions for improving mental health in refugee children and adolescents in high‐income… (2022) · Cochrane
no estimate extracted1 study · 82 participantsLow
Summary of findings table ‐ Teaching Recovery Techniques vs waiting list
Internalising behaviours 5 weeks post‐treatment · health problem or population
Community‐based interventions for improving mental health in refugee children and adolescents in high‐income… (2022) · Cochrane
no estimate extracted1 study · 31 participantsVery low
Summary of findings table ‐ Teaching Recovery Techniques vs waiting list
Internalising behaviours 3 months post‐treatment · health problem or population
Community‐based interventions for improving mental health in refugee children and adolescents in high‐income… (2022) · Cochrane
no estimate extracted1 study · 82 participantsLow
Antidepressant vs placebo
Clinical response of depression · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
RR 8.4 [0.5, 142.27]1 study · 27 participantsVery low
Antipsychotic vs placebo
Change in depression severity from baseline · adults with psychotic depression
Pharmacological treatment for psychotic depression (2021) · Cochrane
no estimate extractedNRNo studies