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)

75,239 questions in 5,342 reviews

current versions
No studies 15,213 · 20.2%Ungraded 10,323 · 13.7%Very low 17,528 · 23.3%Low 17,951 · 23.9%Moderate 11,190 · 14.9%High 3,034 · 4%

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
ZOTEPINE vs RISPERIDONE
Adverse effects: Extrapyramidal effects ‐ use of antiparkinson medication ‐ vs 4mg risperidone · patients with schizophrenia
Zotepine versus other atypical antipsychotics for schizophrenia (2010) · Cochrane
RR 6 [0.79, 45.42]1 study · 40 participantsVery low
ZOTEPINE vs RISPERIDONE
Adverse effects: Extrapyramidal effects ‐ use of antiparkinson medication ‐ vs 8mg risperidone · patients with schizophrenia
Zotepine versus other atypical antipsychotics for schizophrenia (2010) · Cochrane
RR 3 [0.69, 13.12]1 study · 40 participantsVery low
SWITCHING ‐ NEW ANTIPSYCHOTIC REGIMEN vs CONTINUATION ON PREVIOUS REGIMEN: 1a. DIFFERENT DEPOT from DEPOT‐medium term (3‐12 months)
Weight: Body weight (kg) ‐ switching to haloperidol decanoate from fluphenazine decanoate · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems
Antipsychotic switching for people with schizophrenia who have neuroleptic‐induced weight or metabolic… (2010) · Cochrane
no estimate extracted1 study · 19 participantsLow
SWITCHING ‐ NEW ANTIPSYCHOTIC REGIMEN vs CONTINUATION ON PREVIOUS REGIMEN: 1b. NEW ATYPICAL from OLANZAPINE ‐ medium term (3‐12 months)
Weight: 2a. BMI ‐ Increase · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems
Antipsychotic switching for people with schizophrenia who have neuroleptic‐induced weight or metabolic… (2010) · Cochrane
RR 0.28 [0.13, 0.57]1 study · 173 participantsVery low
SWITCHING ‐ NEW ANTIPSYCHOTIC REGIMEN vs CONTINUATION ON PREVIOUS REGIMEN: 1b. NEW ATYPICAL from OLANZAPINE ‐ medium term (3‐12 months)
Physiological measures: 1c. Average fasting glucose change ‐ switching to aripiprazole and quetiapine · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems
Antipsychotic switching for people with schizophrenia who have neuroleptic‐induced weight or metabolic… (2010) · Cochrane
no estimate extracted2 studies · 280 participantsLow
SWITCHING ‐ NEW ANTIPSYCHOTIC REGIMEN vs CONTINUATION ON PREVIOUS REGIMEN: 1b. NEW ATYPICAL from OLANZAPINE ‐ medium term (3‐12 months)
Global state: Relapse · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems
Antipsychotic switching for people with schizophrenia who have neuroleptic‐induced weight or metabolic… (2010) · Cochrane
RR 1.31 [0.55, 3.11]1 study · 133 participantsLow
SWITCHING ‐ NEW ANTIPSYCHOTIC REGIMEN vs CONTINUATION ON PREVIOUS REGIMEN: 1b. NEW ATYPICAL from OLANZAPINE ‐ medium term (3‐12 months)
Adverse events: 1a. Serious adverse event ‐ switching to aripiprazole · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems
Antipsychotic switching for people with schizophrenia who have neuroleptic‐induced weight or metabolic… (2010) · Cochrane
RR 0.64 [0.24, 1.71]1 study · 172 participantsLow
SWITCHING ‐ NEW ANTIPSYCHOTIC REGIMEN vs CONTINUATION ON PREVIOUS REGIMEN: 1b. NEW ATYPICAL from OLANZAPINE ‐ medium term (3‐12 months)
Satisfaction with care: Loss to · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems
Antipsychotic switching for people with schizophrenia who have neuroleptic‐induced weight or metabolic… (2010) · Cochrane
RR 1.4 [0.89, 2.21]1 study · 173 participantsVery low
Intervention NR
Weight: Gain‐more than or equal to 7% from baseline · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems
Antipsychotic switching for people with schizophrenia who have neuroleptic‐induced weight or metabolic… (2010) · Cochrane
RR 0.61 [0.15, 2.47]1 study · 207 participantsModerate
Intervention NR
Weight: BMI not improved · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems
Antipsychotic switching for people with schizophrenia who have neuroleptic‐induced weight or metabolic… (2010) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Intervention NR
Physiological measure: Metabolic syndrome · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems
Antipsychotic switching for people with schizophrenia who have neuroleptic‐induced weight or metabolic… (2010) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Intervention NR
Global state: Average change (CGI‐I, high=good) · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems
Antipsychotic switching for people with schizophrenia who have neuroleptic‐induced weight or metabolic… (2010) · Cochrane
no estimate extracted1 study · 203 participantsModerate
Intervention NR
Mental state: Average change (PANSS, high decline=good) · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems
Antipsychotic switching for people with schizophrenia who have neuroleptic‐induced weight or metabolic… (2010) · Cochrane
no estimate extracted1 study · 198 participantsLow
SWITCHING ‐ NEW ANTIPSYCHOTIC REGIMEN vs CONTINUATION ON PREVIOUS REGIMEN: 1a. DIFFERENT DEPOT from DEPOT‐medium term (3‐12 months)
Weight: BMI not improved · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems
Antipsychotic switching for people with schizophrenia who have neuroleptic‐induced weight or metabolic… (2010) · Cochrane
no estimate extracted0 studies · 3 participantsUngraded
Intervention NR
Adverse events: Any event · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems
Antipsychotic switching for people with schizophrenia who have neuroleptic‐induced weight or metabolic… (2010) · Cochrane
RR 1 [0.91, 1.1]1 study · 207 participantsModerate
Intervention NR
Satisfaction with care: Loss to · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems
Antipsychotic switching for people with schizophrenia who have neuroleptic‐induced weight or metabolic… (2010) · Cochrane
RR 4 [0.45, 35.19]1 study · 208 participantsVery low
SWITCHING ‐ NEW ANTIPSYCHOTIC REGIMEN vs CONTINUATION ON PREVIOUS REGIMEN: 1a. DIFFERENT DEPOT from DEPOT‐medium term (3‐12 months)
Physiological measure: Metabolic syndrome · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems
Antipsychotic switching for people with schizophrenia who have neuroleptic‐induced weight or metabolic… (2010) · Cochrane
no estimate extracted0 studies · 3 participantsUngraded
SWITCHING ‐ NEW ANTIPSYCHOTIC REGIMEN vs CONTINUATION ON PREVIOUS REGIMEN: 1a. DIFFERENT DEPOT from DEPOT‐medium term (3‐12 months)
Global state: Changing dose because of deterioration ‐ switching to haloperidol decanoate from fluphenazine decanoate · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems
Antipsychotic switching for people with schizophrenia who have neuroleptic‐induced weight or metabolic… (2010) · Cochrane
RR 0.18 [0.01, 3.35]1 study · 19 participantsLow
SWITCHING ‐ NEW ANTIPSYCHOTIC REGIMEN vs CONTINUATION ON PREVIOUS REGIMEN: 1a. DIFFERENT DEPOT from DEPOT‐medium term (3‐12 months)
Mental state: Deteriorated ‐ switching to haloperidol decanoate from fluphenazine decanoate · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems
Antipsychotic switching for people with schizophrenia who have neuroleptic‐induced weight or metabolic… (2010) · Cochrane
RR 0.18 [0.01, 3.35]1 study · 19 participantsLow
SWITCHING ‐ NEW ANTIPSYCHOTIC REGIMEN vs CONTINUATION ON PREVIOUS REGIMEN: 1a. DIFFERENT DEPOT from DEPOT‐medium term (3‐12 months)
Adverse effects: serious · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems
Antipsychotic switching for people with schizophrenia who have neuroleptic‐induced weight or metabolic… (2010) · Cochrane
no estimate extracted0 studies · 3 participantsUngraded
SWITCHING ‐ NEW ANTIPSYCHOTIC REGIMEN vs CONTINUATION ON PREVIOUS REGIMEN: 1a. DIFFERENT DEPOT from DEPOT‐medium term (3‐12 months)
Satisfaction with care: Loss to · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems
Antipsychotic switching for people with schizophrenia who have neuroleptic‐induced weight or metabolic… (2010) · Cochrane
RR 4.55 [0.25, 83.7]1 study · 19 participantsVery low
SWITCHING ‐ NEW ANTIPSYCHOTIC REGIMEN vs CONTINUATION ON PREVIOUS REGIMEN: 1b. NEW ATYPICAL from OLANZAPINE ‐ medium term (3‐12 months)
Weight: 1. Body weight (kg) · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems
Antipsychotic switching for people with schizophrenia who have neuroleptic‐induced weight or metabolic… (2010) · Cochrane
no estimate extracted2 studies · 287 participantsLow
SWITCHING ‐ NEW ANTIPSYCHOTIC REGIMEN vs CONTINUATION ON PREVIOUS REGIMEN: 1b. NEW ATYPICAL from OLANZAPINE ‐ medium term (3‐12 months)
Weight: 1. Body weight (kg) ‐ switching to aripiprazole · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems
Antipsychotic switching for people with schizophrenia who have neuroleptic‐induced weight or metabolic… (2010) · Cochrane
no estimate extracted1 study · 158 participantsLow
Intervention NR
Patients with progression of the disease ( · patients with Primary Progressive Multiple Sclerosis
Interferon Beta for Primary Progressive Multiple Sclerosis (2010) · Cochrane
RR 0.89 [0.55, 1.43]2 studies · 123 participantsHigh
Intervention NR
Patients with severe adverse event ( · patients with Primary Progressive Multiple Sclerosis
Interferon Beta for Primary Progressive Multiple Sclerosis (2010) · Cochrane
RR 0.8 [0.33, 1.92]1 study · 73 participantsHigh
Intervention NR
Patients with any related adverse event ( · patients with Primary Progressive Multiple Sclerosis
Interferon Beta for Primary Progressive Multiple Sclerosis (2010) · Cochrane
RR 1.9 [1.45, 2.48]2 studies · 123 participantsHigh
Intervention NR
Mean EDSS change at two years ( · patients with Primary Progressive Multiple Sclerosis
Interferon Beta for Primary Progressive Multiple Sclerosis (2010) · Cochrane
no estimate extracted1 study · 73 participantsHigh
Intervention NR
Sustained increase in spasticity ( · patients with Primary Progressive Multiple Sclerosis
Interferon Beta for Primary Progressive Multiple Sclerosis (2010) · Cochrane
RR 0.56 [0.32, 1]1 study · 50 participantsHigh
Psychostimulants vs placebo
Fatigue score change
Drug therapy for the management of cancer‐related fatigue (2010) · Cochrane
no estimate extracted5 studies · 410 participantsHigh
Intervention NR
Wang 2006
Chuanxiong preparations for preventing stroke (2010) · Cochrane
no estimate extracted0 participantsUngraded
Intervention NR
Zhou 1999
Chuanxiong preparations for preventing stroke (2010) · Cochrane
no estimate extracted2 participantsUngraded
Antibiotic vs no drug or placebo
Diarrhoea on · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
RR 0.21 [0.09, 0.48]1 study · 73 participantsVery low
Fluoroquinolones vs beta‐lactams
Other adverse events clinical criteria · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
RR 1.03 [0.77, 1.39]4 studies · 570 participantsVery low
Fluoroquinolones vs macrolides
Diarrhoea on · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
RR 0.6 [0.24, 1.49]2 studies · 189 participantsVery low
Fluoroquinolones vs macrolides
Relapse ‐ not reported · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
no estimate extractedNRNo studies
Fluoroquinolones vs macrolides
Serious adverse events ‐ not reported · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
no estimate extractedNRNo studies
Fluoroquinolones vs macrolides
Other adverse events clinical criteria · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
RR 1.33 [0.32, 5.56]1 study · 76 participantsVery low
Cotrimoxazole vs beta‐lactams
Diarrhoea on · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
RR 0.59 [0.23, 1.49]2 studies · 89 participantsVery low
Cotrimoxazole vs beta‐lactams
Relapse ‐ not reported · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
no estimate extractedNRNo studies
Cotrimoxazole vs beta‐lactams
Serious adverse events ‐ not reported · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
no estimate extractedNRNo studies
Cotrimoxazole vs beta‐lactams
Other adverse events clinical criteria · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
RR 0.81 [0.27, 2.45]2 studies · 89 participantsVery low
Cotrimoxazole vs fluoroquinolones (norfloxacin)
Diarrhoea on · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
no estimate extractedNRNo studies
Antibiotic vs no drug or placebo
Diarrhoea on · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
RR 0.3 [0.15, 0.59]1 study · 76 participantsVery low
Cotrimoxazole vs fluoroquinolones (norfloxacin)
Relapse ‐ not reported · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
no estimate extractedNRNo studies
Cotrimoxazole vs fluoroquinolones (norfloxacin)
Serious adverse events ‐ not reported · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
no estimate extractedNRNo studies
Cotrimoxazole vs fluoroquinolones (norfloxacin)
Other adverse events clinical criteria · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
RR 2.82 [0.12, 66.62]1 study · 62 participantsVery low
Cotrimoxazole vs furazolidone
Diarrhoea on · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
RR 0.71 [0.27, 1.84]1 study · 101 participantsVery low
Cotrimoxazole vs furazolidone
Relapse ‐ not reported · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
no estimate extractedNRNo studies
Cotrimoxazole vs furazolidone
Serious adverse events · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
RR 0 [0, 0]0 studies · 0 participantsUngraded
Cotrimoxazole vs furazolidone
Other adverse events ‐ not reported · patients with Shigella dysentery
Antibiotic therapy for Shigella dysentery (2010) · Cochrane
no estimate extractedNRNo studies