DaxibotulinumtoxinA for Injection for the Treatment of Glabellar Lines: Results from Each of Two Multicenter, Randomized, Double-Blind, Placebo-Controlled, Phase 3 Studies (SAKURA 1 and SAKURA 2)

Background: DaxibotulinumtoxinA for Injection (DAXI) is a novel botulinum toxin type A formulation in clinical development. A phase 2 dose-ranging study identified an optimal dose and demonstrated efficacy with a median duration of 24 weeks. Methods: In two phase 3, multicenter, randomized, double-blind, placebo-controlled studies (SAKURA 1 and SAKURA 2), subjects with moderate or severe glabellar lines at maximum frown were assigned randomly to receive placebo or 40 U of DAXI. Glabellar lines were evaluated at least every 4 weeks for at least 24 weeks until severity returned to baseline (≤36 weeks). Results: Overall, 609 subjects were enrolled (DAXI, n = 405; placebo, n = 204). DAXI was significantly more effective than placebo in achieving the primary efficacy outcome (≥2-point improvement in glabellar line severity at maximum frown at week 4 according to both investigator and subject ratings): 73.6 percent versus 0.0 percent (SAKURA 1), and 74.0 percent versus 1.0 percent (SAKURA 2) (both p
Source: Plastic and Reconstructive Surgery - Category: Cosmetic Surgery Tags: Cosmetic: Original Articles Source Type: research
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