Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.] · 2021
PrabotulinumtoxinA for the Treatment of Moderate-to-Severe Glabellar Lines in Adult Patients With Skin of Color: Post Hoc Analyses of the US Phase III Clinical Study Data.
Клиническое исследование III фазыСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Taylor Susan C, Grimes Pearl E, Joseph John H, Jonker Anneke, Avelar Rui L
Аннотация
BACKGROUND: Limited US clinical data are available on the use of aesthetic products in patients with skin of color (SOC).
OBJECTIVE: To compare the efficacy and safety of prabotulinumtoxinA for the treatment of glabellar lines in patients with and without SOC.
METHODS AND MATERIALS: Post hoc analyses were performed on the pooled population of all 492 patients treated with 20U prabotulinumtoxinA in the 2 US single-dose Phase III glabellar line clinical studies. Patients were grouped by Fitzpatrick skin Type: IV + V + VI (with SOC) versus I + II + III (without SOC). The primary efficacy end point was the proportion of responders with a ≥1-point improvement from baseline at maximum frown on the 4-point Glabellar Line Scale. Adverse events (AEs) were also summarized.
RESULTS: Responder rates among patients with SOC (n = 140) were lower than those without SOC (n = 352), by 5.9% on average across all visits; at no time point were differences statistically significant. At Day 30, responder rates were 94.0% and 96.0%, respectively (p = .401). Headache was the most common treatment-related AE, occurring in 12.1% and 8.2% of patients with and without SOC, respectively.
CONCLUSION: A single dose of 20U prabotulinumtoxinA was well tolerated and similar in effectiveness in patients with and without SOC for the treatment of glabellar lines.
OBJECTIVE: To compare the efficacy and safety of prabotulinumtoxinA for the treatment of glabellar lines in patients with and without SOC.
METHODS AND MATERIALS: Post hoc analyses were performed on the pooled population of all 492 patients treated with 20U prabotulinumtoxinA in the 2 US single-dose Phase III glabellar line clinical studies. Patients were grouped by Fitzpatrick skin Type: IV + V + VI (with SOC) versus I + II + III (without SOC). The primary efficacy end point was the proportion of responders with a ≥1-point improvement from baseline at maximum frown on the 4-point Glabellar Line Scale. Adverse events (AEs) were also summarized.
RESULTS: Responder rates among patients with SOC (n = 140) were lower than those without SOC (n = 352), by 5.9% on average across all visits; at no time point were differences statistically significant. At Day 30, responder rates were 94.0% and 96.0%, respectively (p = .401). Headache was the most common treatment-related AE, occurring in 12.1% and 8.2% of patients with and without SOC, respectively.
CONCLUSION: A single dose of 20U prabotulinumtoxinA was well tolerated and similar in effectiveness in patients with and without SOC for the treatment of glabellar lines.