Subject satisfaction demonstrated for two on-label injection volumes of abobotulinumtoxinA when used to treat moderate to severe glabellar lines

Introduction: In the U.S., glabellar lines (GLs) are most often treated with botulinum toxin type A (BoNT-A) and satisfaction with treatment is typically measured using patient-reported outcomes. Dysport (abobotulinumtoxinA [ABO]) is approved in the U.S. for the treatment of GLs and can be injected at 2 different injection volumes, 0.05 mL and 0.08 mL. In this study, we evaluated both on-label injection volumes in subjects with moderate to severe GLs at maximum frown and asked them to complete questionnaires before and after treatment to assess treatment satisfaction and health-related quality of life subject-reported outcomes, which is the focus of this report.

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