A Multicenter, Randomized, Double-Blind, Placebo-Controlled, Single-Dose, Phase III, Non-Inferiority Study Comparing PrabotulinumtoxinA and OnabotulinumtoxinA for the Treatment of Moderate to Severe Glabellar Lines in Adult Patients.

Background: PrabotulinumtoxinA is a 900-kDa botulinum toxin type A produced by Clostridium botulinum.

Objectives: The authors sought to investigate the efficacy and safety of prabotulinumtoxinA compared to onabotulinumtoxinA and placebo for the treatment of glabellar lines.

Methods: This was a 150-day, multicenter, double-blind, controlled, single-dose Phase III study.