Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,234 questions · 3,357 findings · 396 reviews

No studies found 803 · 23.9%GRADE not reported 270 · 8%Very low 757 · 22.5%Low 859 · 25.6%Moderate 486 · 14.5%High 182 · 5.4%

Cannabinoids vs placebo

Adverse events ‐ nervous system disorders ‐ total nervous system disorders ( · diagnosis of dementia (dementia in Alzheimer’s disease, vascular dementia, or mixed dementia; any severity

Comparison: cannabinoids showed no clear difference in adverse events ‐ nervous system disorders ‐ total nervous system… compared with placebo (low certainty).

1 finding from 1 review

Cannabinoids vs placebo

Adverse events: psychological disorders · diagnosis of dementia (dementia in Alzheimer’s disease, vascular dementia, or mixed dementia; any severity

Comparison: cannabinoids showed no clear difference in adverse events ‐ psychiatric disorders ‐ total psychiatric disorders ( compared with placebo (low certainty).

1 finding from 1 review

Cannabinoids vs placebo

Adverse event: gastrointestinal disorders at 1‐month (with actual · diagnosis of dementia (dementia in Alzheimer’s disease, vascular dementia, or mixed dementia; any severity

Comparison: cannabinoids showed no clear difference in adverse events ‐ gastrointestinal disorders ‐ total gastrointestinal… compared with placebo (low certainty).

1 finding from 1 review

Cannabinoids vs placebo

Adverse effects: 1. General ‐ overall number of events · diagnosis of dementia (dementia in Alzheimer’s disease, vascular dementia, or mixed dementia; any severity

Comparison: cannabinoids showed no clear difference in adverse events ‐ general ‐ total general adverse events ( compared with placebo (low certainty).

1 finding from 1 review