Duration of wrinkle correction following repeat treatment with Juvéderm hyaluronic acid fillers

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Many patients elect to have repeat treatments with hyaluronic acid dermal fillers to maintain wrinkle correction, but the clinical performance of these products after repeat treatments has not been formally assessed. The primary objective of this study was to evaluate the effectiveness of Juvéderm injectable gel (Juvéderm Ultra, Juvéderm Ultra Plus, and Juvéderm 30) through 1 year after repeat treatment of nasolabial folds (NLFs) that were previously treated with Juvéderm or Zyplast 6-9 months prior to the repeat treatment. Upon completion of the pivotal IDE clinical trial for Juvéderm, five of the original 11 study sites were selected to participate in an extended follow-up evaluation, and a total of 80 subjects were enrolled. For the Juvéderm-treated NLFs in each treatment group, the median injection volume was 1.5-1.6 mL for initial treatment but only 0.5-0.6 mL for the repeat treatment (p < 0.0001). Mean Investigator-assigned NLF severity scores on a scale of 0-4 for the Juvéderm-treated NLFs improved from 2.5-2.7 (moderate to severe) at baseline to 1.2-1.5 (mild) just prior to repeat treatment (>24 weeks) and 0.7-0.9 (mild) at 4 weeks after repeat treatment. At 48 weeks post-repeat treatment, the mean NLF scores were 1.1-1.3 (mild), and 78-90% of subjects were considered responders (≥1 point improvement). Thus, subjects sustained a total of 18-21 months of wrinkle correction with a repeat treatment at 6-9 months and needed substantially less filler (60% less) for repeat treatment than for initial treatment, indicating that retreatment at this timepoint may be beneficial to patients.

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