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  • Title: Botulinum toxin type A treatment of multiple upper facial sites: patient-reported outcomes.
    Author: Carruthers J, Carruthers A.
    Journal: Dermatol Surg; 2007 Jan; 33(1 Spec No.):S10-7. PubMed ID: 17241408.
    Abstract:
    BACKGROUND: Aesthetic treatment planning must address subjects' goals and include subject-reported outcomes. OBJECTIVE: The objective was to compare the effect of botulinum neurotoxin type A (BoNTA) with placebo on subject-reported outcomes and to assess the utility of 64 U of BoNTA to treat the entire upper face. METHODS: Forty female subjects were randomized to receive 64 U of BoNTA or identical placebo injections (double-masked) divided among 16 sites of the upper face and were followed for 12 weeks. Subjects unimproved at Week 4 were eligible for open-label BoNTA treatment and were followed through Week 16. Main outcome measures were scores on seven items of the Facial Line Outcomes Questionnaire (FLO-7) and results on the Self-Perception of Age (SPA) for assessing age of appearance relative to actual age. RESULTS: BoNTA treatment resulted in significant improvements on the FLO-7 scores that were maintained throughout the study. BoNTA treatment also reduced age of appearance in a majority of subjects. Placebo had no effects on any measure. No serious adverse events occurred. CONCLUSION: Sixty-four-unit BoNTA treatment of upper facial rhytids safely and significantly improves subject-reported outcomes, as measured by the FLO-7 and SPA, and results in a younger, more satisfying, relaxed appearance.
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