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- Title
Efficacy and Safety of ATX-101 by Treatment Session: Pooled Analysis of Data From the Phase 3 REFINE Trials.
- Authors
Dayan, Steven H; Schlessinger, Joel; Beer, Kenneth; Donofrio, Lisa M; Jones, Derek H; Humphrey, Shannon; Carruthers, Jean; Lizzul, Paul F; Gross, Todd M; Beddingfield, Frederick C
- Abstract
Background ATX-101 (deoxycholic acid injection) is the only injectable drug approved for submental fat (SMF) reduction. In the phase 3 REFINE trials, adults with moderate or severe SMF who were dissatisfied with the appearance of their face/chin were eligible to receive up to 6 treatment sessions with ATX-101 (2 mg/cm2) or placebo. Primary and secondary endpoints, evaluated at 12 weeks after last treatment, significantly favored ATX-101 supporting its efficacy for reducing SMF and the psychological impact of SMF, and increasing satisfaction with the appearance of the face/chin. Objectives To evaluate the efficacy and safety of ATX-101 by treatment session. Methods This post hoc analysis used pooled data from the REFINE trials to evaluate efficacy endpoints and adverse events following each treatment session to further characterize the ATX-101 treatment response and safety profile. Results In both treatment groups, mean injection volume declined over subsequent treatment sessions, though more markedly in the ATX-101 group. The majority of ATX-101–treated patients achieved a ≥1-grade improvement in SMF within 2 to 4 treatment sessions based on either clinician or patient assessment. Furthermore, 19.1% of ATX-101–treated patients (vs 3.9% of placebo-treated patients) received fewer than 6 treatment sessions owing to patient satisfaction with treatment or lack of sufficient SMF for further treatment. In both treatment groups, the incidence/severity of common injection-site adverse events declined over subsequent treatment sessions. Conclusions Although up to 6 treatment sessions were permitted in the REFINE trials, most ATX-101–treated patients achieved an improvement in SMF within 2 to 4 treatment sessions. Level of Evidence: 3
- Publication
Aesthetic Surgery Journal, 2018, Vol 38, Issue 9, p998
- ISSN
1090-820X
- Publication type
Article
- DOI
10.1093/asj/sjy008