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Evidence found and GRADE certainty

4,808 questions · 8,953 findings · 827 reviews · Headline outcomes only

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No studies found 1,891 · 21.1%GRADE not reported 380 · 4.2%Very low 2,100 · 23.5%Low 2,449 · 27.4%Moderate 1,684 · 18.8%High 449 · 5%

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TCAs with predominantly SRI actions vs placebo

Dropouts due to adverse events · adults with trichotillomania

It is very uncertain whether TCAs with predominantly SRI actions changes tolerability of treatment ‐ dropouts due to adverse eventsdDropout… compared with placebo (very low certainty).

1 finding from 1 review

Antioxidants vs placebo

Global Impressions scale change item (CGI‐I or similar): no. of responders (acute phase) · children with trichotillomania

Antioxidants showed no clear difference in treatment responseaClinical Global Impressions ‐ Improvement Scale… compared with placebo (low certainty).

1 finding from 1 review

Antioxidants vs placebo

Reduction of TTM symptom severityMassachusetts General Hospital Hair‐Pulling Scale (MGH‐HPS) · children with trichotillomania
1 finding from 1 review

Antipsychotics vs placebo

Global Impressions scale change item (CGI‐I or similar): no. of responders (acute phase) · adults with trichotillomania

Antipsychotics may leads to higher treatment responseaClinical Global Impressions ‐ Improvement Scale… compared with placebo (low certainty).

1 finding from 1 review

Any dose of lacosamide vs placebo

50% or greater reduction in seizure frequency · adults and children with drug‐resistant focal epilepsy

Any dose of lacosamide leads to higher 50% or greater reduction in seizure frequency compared with placebo (high certainty).

1 finding from 1 review