Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,703 questions · 15,007 findings · 1,416 reviews

No studies found 2,881 · 19.2%GRADE not reported 1,551 · 10.3%Very low 3,111 · 20.7%Low 3,881 · 25.9%Moderate 2,669 · 17.8%High 914 · 6.1%

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Cannabidiol (10 mg/kg and 20 mg/kg) plus ASMs vs placebo plus ASMs

Number of participants with adverse events leading to study discontinuation · Lennox‐Gastaut syndrome, any age

Cannabidiol (10 mg/kg and 20 mg/kg) plus ASMs leads to higher number of participants with adverse events leading to study… compared with placebo plus ASMs (high certainty).

1 finding from 1 review

Cinromide plus ASMs vs placebo plus ASMs

Number of participants with ≥ 75% reduction in mean weekly seizures · Lennox‐Gastaut syndrome, any age

It is very uncertain whether cinromide plus ASMs changes number of participants with ≥ 75% reduction in mean weekly seizures compared with placebo plus ASMs (very low certainty).

1 finding from 1 review

Summary of findings ‐ initiation of penicillin prophylaxis vs placebo

Incidence of S pneumoniae infection Isolated bacterial infection · children with SCD

Summary of findings ‐ initiation of penicillin prophylaxis may leads to lower incidence of S pneumoniae infection Isolated bacterial infection compared with placebo (low certainty).

1 finding from 1 review

Antibiotics vs placebo or no intervention

Cardiovascular mortality · patients with coronary heart disease

Antibiotics leads to higher cardiovascular mortality at 24±6 months compared with placebo or no intervention (high certainty).

2 findings from 1 review

Antibiotics vs placebo or no intervention

Myocardial infarction · patients with coronary heart disease

Antibiotics showed no clear difference in myocardial infarction at 24±6 months compared with placebo or no intervention (moderate certainty).

2 findings from 1 review

Antibiotics vs placebo or no intervention

Stroke · patients with coronary heart disease

Antibiotics showed no clear difference in stroke at 24±6 months compared with placebo or no intervention (high certainty).

2 findings from 1 review