Cochrane · systematic review · CD011301

Botulinum toxin type A for facial wrinkles

Camargo, CPires, Xia, J, Costa, CS, et al. · Cochrane Database of Systematic Reviews · 2021 · Cochrane Library

SkinAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
30
current version
GRADE rated
26
No studies
4
Included studies
NR
No studies 4 · 13.3%Ungraded 0 · 0%Very low 2 · 6.7%Low 4 · 13.3%Moderate 17 · 56.7%High 3 · 10%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Summary of Findings Table ‐ OnabotulinumtoxinA 20U compared to placebo in glabellar lines

Population: glabellar lines
5 questions
OutcomeEffectEvidenceStatus / GRADE
Partcipant assessment of success
Summary of Findings Table ‐ OnabotulinumtoxinA 20U vs placebo
RR 19.45 [8.6, 43.99]4 studies · 575 participantsModerate
Downgraded: risk of bias, imprecision
Major adverse events
Summary of Findings Table ‐ OnabotulinumtoxinA 20U vs placebo
OR 3.62 [1.5, 8.74]8 studies · 1390 participantsModerate
Downgraded: risk of bias, imprecision
Physician assessment of success
Summary of Findings Table ‐ OnabotulinumtoxinA 20U vs placebo
RR 17.1 [10.07, 29.05]7 studies · 1339 participantsModerate
Downgraded: risk of bias, imprecision
Total adverse events
Summary of Findings Table ‐ OnabotulinumtoxinA 20U vs placebo
RR 1.14 [0.89, 1.45]8 studies · 1388 participantsLow
Downgraded: risk of bias, imprecision
Duration of treatment effect
Summary of Findings Table ‐ OnabotulinumtoxinA 20U vs placebo
no estimate extracted1 study · 77 participantsModerate
Downgraded: risk of bias, imprecision

Summary of Findings Table ‐ AbobotulinumtoxinA 50U compared to placebo for glabellar lines

Population: glabellar lines
5 questions
OutcomeEffectEvidenceStatus / GRADE
Participant assessment of success by analysing scores and scales ‐ 20 weeks (Validated tools, wrinkles and lines at maximum contraction)
Summary of Findings Table ‐ AbobotulinumtoxinA 50U vs placebo
RR 5.33 [1.67, 16.99]1 study · 300 participantsHigh
Major adverse events (eyelid ptosis, eyelid sensory disorder, strabismus)
Summary of Findings Table ‐ AbobotulinumtoxinA 50U vs placebo
RR 3.36 [0.88, 12.87]7 studies · 1294 participantsModerate
Downgraded: risk of bias, imprecision
Physician assessment of success by analysing scores and scales ‐ 4 weeks
Summary of Findings Table ‐ AbobotulinumtoxinA 50U vs placebo
RR 15.78 [8.75, 28.45]7 studies · 1060 participantsModerate
Downgraded: risk of bias, imprecision
Total adverse events
Summary of Findings Table ‐ AbobotulinumtoxinA 50U vs placebo
RR 1.25 [1.05, 1.49]8 studies · 1471 participantsLow
Downgraded: risk of bias, imprecision
Duration of treatment effect
Summary of Findings Table ‐ AbobotulinumtoxinA 50U vs placebo
no estimate extracted1 study · 100 participantsModerate
Downgraded: risk of bias, imprecision

Summary of Findings Table ‐ IncobotulinumtoxinA 20U compared to placebo for glabellar lines

Population: glabellar lines
5 questions
OutcomeEffectEvidenceStatus / GRADE
Participant assessment of success by analysing scores and scales ‐ 4 weeks
Summary of Findings Table ‐ IncobotulinumtoxinA 20U vs placebo
RR 66.57 [13.5, 328.28]2 studies · 547 participantsModerate
Downgraded: risk of bias, imprecision
Major adverse events
Summary of Findings Table ‐ IncobotulinumtoxinA 20U vs placebo
no estimate extracted2 studies · 547 participantsModerate
Downgraded: risk of bias, imprecision
Physician assessment of success by analysing scores and scales
Summary of Findings Table ‐ IncobotulinumtoxinA 20U vs placebo
RR 134.62 [19.05, 951.45]2 studies · 547 participantsModerate
Downgraded: risk of bias, imprecision
Total adverse events
Summary of Findings Table ‐ IncobotulinumtoxinA 20U vs placebo
RR 1.17 [0.9, 1.53]2 studies · 547 participantsLow
Downgraded: risk of bias, imprecision
Duration of treatment effect ‐ not measured
Summary of Findings Table ‐ IncobotulinumtoxinA 20U vs placebo
no estimate extractedNRNo studies

Summary of Findings Table ‐ AbobotulinumtoxinA 50U compared to OnabotulinumtoxinA 20U in glabellar lines

Population: glabellar lines
5 questions
OutcomeEffectEvidenceStatus / GRADE
Participant assessment success by analysing scores and scales ‐ 4 weeks
Summary of Findings Table ‐ AbobotulinumtoxinA 50U vs OnabotulinumtoxinA 20U
RR 1 [0.92, 1.08]1 study · 388 participantsHigh
Major adverse events ‐ Any major adverse events (eyelid ptosis, eyelid sensory disorder, s
Summary of Findings Table ‐ AbobotulinumtoxinA 50U vs OnabotulinumtoxinA 20U
OR 2.65 [0.77, 9.09]1 study · 433 participantsModerate
Downgraded: imprecision
Physician assessment of success by analysing scores and scales ‐ 4 weeks (Validated tools, wrinkles and lines at maximum contraction)
Summary of Findings Table ‐ AbobotulinumtoxinA 50U vs OnabotulinumtoxinA 20U
RR 1.01 [0.95, 1.06]1 study · 388 participantsHigh
Total adverse events
Summary of Findings Table ‐ AbobotulinumtoxinA 50U vs OnabotulinumtoxinA 20U
RR 1.02 [0.67, 1.54]2 studies · 492 participantsModerate
Downgraded: imprecision
Duration of treatment effect ‐ not measured
Summary of Findings Table ‐ AbobotulinumtoxinA 50U vs OnabotulinumtoxinA 20U
no estimate extractedNRNo studies

Summary of Findings Table ‐ IncobotulinumtoxinA 24U compared to OnabotulinumtoxinA 24U in glabellar lines

Population: glabellar lines
5 questions
OutcomeEffectEvidenceStatus / GRADE
Participant assessment of success by analysing scores and scales ‐ not measured
Summary of Findings Table ‐ IncobotulinumtoxinA 24U vs OnabotulinumtoxinA 24U
no estimate extractedNRNo studies
Major adverse events
Summary of Findings Table ‐ IncobotulinumtoxinA 24U vs OnabotulinumtoxinA 24U
OR 0.02 [0, 1.77]1 study · 381 participantsVery low
Downgraded: risk of bias, imprecision
Physician assessment of success by analysing scores and scales ‐ 4 weeks (Validated tools, wrinkles and lines at maximum contraction)
Summary of Findings Table ‐ IncobotulinumtoxinA 24U vs OnabotulinumtoxinA 24U
RR 1.01 [0.96, 1.05]1 study · 381 participantsLow
Downgraded: risk of bias, imprecision
Total adverse events
Summary of Findings Table ‐ IncobotulinumtoxinA 24U vs OnabotulinumtoxinA 24U
OR 0.02 [0, 1.77]1 study · 381 participantsVery low
Downgraded: risk of bias, imprecision
Duration of treatment effect ‐ not measured
Summary of Findings Table ‐ IncobotulinumtoxinA 24U vs OnabotulinumtoxinA 24U
no estimate extractedNRNo studies

Summary of Findings Table ‐ DaxibotulinumtoxinA 40U compared to placebo in glabellar lines

Population: glabellar lines
5 questions
OutcomeEffectEvidenceStatus / GRADE
Participant assessment of success by analysing scores and scales ‐ 4 weeks (Validated tools, wrinkles and lines at maximum contraction)
Summary of Findings Table ‐ DaxibotulinumtoxinA 40U vs placebo
RR 21.1 [11.31, 39.34]2 studies · 683 participantsModerate
Downgraded: risk of bias
Major adverse events
Summary of Findings Table ‐ DaxibotulinumtoxinA 40U vs placebo
no estimate extracted2 studies · 716 participantsModerate
Downgraded: risk of bias
Physician assessment of success by analysing scores and scales ‐ 4 weeks (Validated tools, wrinkles and lines at maximum contraction)
Summary of Findings Table ‐ DaxibotulinumtoxinA 40U vs placebo
RR 23.4 [12.56, 43.61]2 studies · 683 participantsModerate
Downgraded: risk of bias
Total adverse events
Summary of Findings Table ‐ DaxibotulinumtoxinA 40U vs placebo
RR 2.23 [1.46, 3.4]2 studies · 716 participantsModerate
Downgraded: risk of bias
Duration of treatment effect
Summary of Findings Table ‐ DaxibotulinumtoxinA 40U vs placebo
no estimate extracted1 study · 74 participantsModerate
Downgraded: risk of bias