Findings

What do systematic reviews say?

2 questions · 2 findings · 1 reviews

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 1 · 50%High 1 · 50%

Summary of Findings Table ‐ OnabotulinumtoxinA 20U vs placebo

Physician assessment of success · glabellar lines

Summary of Findings Table ‐ OnabotulinumtoxinA 20U probably leads to higher physician assessment of success compared with placebo (moderate certainty).

1 finding from 1 review

Botulinum toxin type A for facial wrinkles 2021 · Cochrane Headline outcomes only
RR 17.1 [10.07, 29.05]
7 studies · 1339 participants
Moderate

Summary of Findings Table ‐ AbobotulinumtoxinA 50U vs OnabotulinumtoxinA 20U

Physician assessment of success by analysing scores and scales ‐ 4 weeks (Validated tools, wrinkles and lines at maximum contraction) · glabellar lines

Summary of Findings Table ‐ AbobotulinumtoxinA 50U showed no clear difference in physician assessment of success by analysing scores and scales ‐ 4… compared with onabotulinumtoxinA 20U (high certainty).

1 finding from 1 review

Botulinum toxin type A for facial wrinkles 2021 · Cochrane Headline outcomes only
RR 1.01 [0.95, 1.06]
1 study · 388 participants
High