Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,747 questions · 3,943 findings · 594 reviews

No studies found 784 · 19.9%GRADE not reported 530 · 13.4%Very low 1,040 · 26.4%Low 981 · 24.9%Moderate 444 · 11.3%High 164 · 4.2%

TCAs with predominantly SRI actions vs placebo

Clinical Global Impressions scale change item (CGI‐I): no. of responders (long term) Post‐treatment: 1‐4 months · adults with trichotillomania

It is very uncertain whether TCAs with predominantly SRI actions changes treatment responseaClinical Global Impressions ‐ Improvement Scale… compared with placebo (very low certainty).

1 finding from 1 review

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