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  • Title: Duration of effect by injection volume and facial subregion for a volumizing hyaluronic acid filler in treating midface volume deficit.
    Author: Glaser DA, Kenkel JM, Paradkar-Mitragotri D, Murphy DK, Romagnano L, Drinkwater A.
    Journal: Dermatol Surg; 2015 Aug; 41(8):942-9. PubMed ID: 26218727.
    Abstract:
    BACKGROUND: Juvéderm Voluma XC (VYC-20L) is approved in the United States for correction of age-related volume loss in the midface region in adults. OBJECTIVE: To characterize the effects of VYC-20L in 3 midface subregions based on injection volumes. METHODS: In this single-blind controlled trial, subjects with midface volume deficit received VYC-20L in ≥1 of 3 facial subregions (zygomaticomalar, anteromedial cheek, and submalar), with touch-up treatment available 30 days later. Responders achieved ≥1-point improvement on the Mid-Face Volume Deficit Scale (MFVDS), analyzed by facial subregion and stratified by injection volume quartiles. Subject satisfaction and safety were assessed. RESULTS: The treatment arm comprised 235 subjects aged 35 to 65 years. Month 6 MFVDS responder rates were 75.5% for zygomaticomalar, 83.2% for anteromedial cheek, and 76.9% for submalar subregions. Higher responder rates were observed with increasing injection volume quartiles for each subregion. Similar median injection volumes (≈2.0 mL total) of VYC-20L provided correction durations of 15 to 24 months: 24 months for anteromedial cheek, 19 months for zygomaticomalar, and 15 months for submalar subregions. Subject satisfaction was high across injection volume quartiles. No unanticipated treatment-site adverse reactions occurred. CONCLUSION: VYC-20L is effective at restoring midface volume, with high subject satisfaction and an acceptable safety profile.
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