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Evidence found and GRADE certainty

1,514 questions · 1,543 findings · 649 reviews

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No studies found 224 · 14.5%GRADE not reported 105 · 6.8%Very low 383 · 24.8%Low 447 · 29%Moderate 293 · 19%High 91 · 5.9%

Recombinant zoster vaccine vs placebo

Participants with adverse events ‐ serious adverse events Clinical or laboratory criteria · healthy older adults aged ≥ 60 years

Recombinant zoster vaccine showed no clear difference in participants with adverse events ‐ serious adverse eventsClinical or… compared with placebo (moderate certainty).

1 finding from 1 review

VALPROATE + ANTIPSYCHOTICS vs placebo/no adjunctive treatment + antipsychotics

Adverse effects – leaving the study early due to adverse effects – overall tolerability – total · patients with schizophrenia

VALPROATE + ANTIPSYCHOTICS showed no clear difference in leaving the study early: Overall tolerability Leaving the study… compared with ANTIPSYCHOTICS + PLACEBO or ANTIPSYCHOTICS alone (low certainty).

1 finding from 1 review

Live zoster vaccine vs placebo

Systemic adverse events at · healthy older adults aged ≥ 60 years

Live zoster vaccine showed no clear difference in participants with adverse events ‐ systemic adverse eventsClinical… compared with placebo (moderate certainty).

1 finding from 1 review

Brivaracetam vs placebo

Withdrawals due to adverse events · people with drug‐resistant focal epilepsy

Brivaracetam may leads to higher proportion of participants who experienced adverse events leading to… compared with placebo (low certainty).

1 finding from 1 review

Group B cognitive behavioural therapy: cognitive behavioural therapy + risperidone vs placebo and cognitive and behavioural therapies

Adverse effects: specific ‐ doctors' assessment of adverse effects UKU (events) Medium‐term · people in the prodromal stage of psychosis

It is very uncertain whether group B cognitive behavioural therapy: cognitive behavioural therapy… changes adverse effects: specific ‐ doctors' assessment of adverse effects… compared with cognitive behavioural therapy + placebo (very low certainty).

1 finding from 1 review

Vaccination vs placebo

Serious adverse events among subjects in the adverse event substudy clinical manifestations · people at risk for postherpetic neuralgia

Vaccination leads to higher serious adverse events among subjects in the adverse event substudy… compared with placebo (high certainty).

1 finding from 1 review

Zinc vs placebo

Risk of serious adverse events, including those that may be complications of the common cold · adults and children with colds and/or upper respiratory infections

The review found no eligible studies for this question.

1 finding from 1 review

Aspirin plus antipsychotics vs placebo/no adjunctive treatment + antipsychotics

Adverse events: gastrointestinal – dyspeptic symptoms – self‐assessed as at least 'moderate' · patients with schizophrenia

It is very uncertain whether aspirin plus antipsychotics changes adverse events: gastrointestinal – dyspeptic symptoms –… compared with placebo plus antipsychotics (very low certainty).

1 finding from 1 review

Eculizumab vs placebo

Adverse events (serious and nonserious) Medical Dictionary for Regulatory Activities (MedDRA) · patients with paroxysmal nocturnal hemoglobinuria

Eculizumab showed no clear difference in adverse events (serious and nonserious) Medical Dictionary for… compared with placebo (low certainty).

1 finding from 1 review

Cipaglucosidase plus miglustat vs alglucosidase alfa plus placebo

Treatment‐related AEs: total treatment‐emergent adverse events potentially related to treatment · adults with LOPD

Cipaglucosidase plus miglustat showed no clear difference in treatment‐related AEs: total treatment‐emergent adverse events… compared with alglucosidase alfa plus placebo (low certainty).

1 finding from 1 review

Injectable fillers vs placebo or no treatment

Participant‐assessed adverse events (short‐term) N of participants with positive adverse events · people with acne scars

Injectable fillers showed no clear difference in participant‐reported adverse events (short‐term) N of participants… compared with placebo or no treatment (low certainty).

1 finding from 1 review

Antibiotics vs placebo compared

Adverse effects of antibiotics · children, aged 2 to 59 months, with WHO‐defined non‐severe pneumonia and wheeze

Antibiotic therapy showed no clear difference in treatment harms (adverse events or side effects associated with… compared with placebo compared to placebo (low certainty).

1 finding from 1 review

Injectable fillers vs placebo or no treatment

Investigator‐assessed adverse events (short‐term) N of participants with positive adverse events · people with acne scars

Injectable fillers showed no clear difference in investigator‐assessed adverse events (short‐term) N of participants… compared with placebo or no treatment (low certainty).

1 finding from 1 review

Pharmacological interventions vs placebo

Gastrointestinal adverse events · people with depression after stroke

It is very uncertain whether pharmacological interventions changes adverse events: all ‐ gastrointestinal effects (e.g. constipation,… compared with placebo (very low certainty).

1 finding from 1 review

Vitamin D vs placebo or no intervention

Adverse events ‐ Nephrolithiasis in trials using vitamin D3 combined with calcium · healthy participants or recruited among the general population; individuals diagnosed with a specific disease in a stable phase or with…

Vitamin D may leads to higher adverse events: nephrolithiasis in trials using vitamin… compared with placebo or no intervention (low certainty).

1 finding from 1 review