Early Experience in 100 Consecutive Patients With Injection Adipocytolysis for Neck Contouring With ATX-101 (Deoxycholic Acid)

BACKGROUND: Deoxycholic acid (DCA) is approved for improvement in the appearance of moderate to severe convexity or fullness associated with submental fat. OBJECTIVE: To assess early treatment experience with DCA injection in a clinical practice setting. MATERIALS AND METHODS: In this single-center, prospective, single-arm, observational study, 100 consecutive patients seeking to decrease submental fullness received subcutaneous DCA (2 mg/cm2) injections in the submental area (maximum of 6 sessions at ≥1 month intervals). Treatment response was assessed 1 and 5 to 7 weeks posttreatment using the clinician-reported submental fat rating scale (CR-SMFRS) and retrospective independent photograph review by 2 physicians. RESULTS: Overall, 100 patients had 152 treatment sessions (58, 33, 8, and 1 patients had 1, 2, 3, and 4 sessions, respectively). CR-SMFRS score improved by ≥1 point from baseline in 88 (88%) patients; of these, 46, 33, 8, and 1 patients had 1, 2, 3, and 4 sessions, respectively. Local edema, numbness, and tenderness were reported for a mean (SD) of 7.7 (5.3), 28.5 (11.4), and 3.5 (3.5) days, respectively. Two patients experienced marginal mandibular nerve paresis. CONCLUSION: Deoxycholic acid injection, a minimally invasive procedure for neck contouring, was effective and generally well tolerated in the private practice setting.

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