Rod J Rohrich, Vince Bertucci, Steven Dayan, Derek Jones, Nowell Solish, Jason K Rivers, Robert Weiss, Channy Y Muhn, Christy Harutunian, Grace S Park, Sandhya Shimoga, Elisabeth Lee, Warren Tong
BACKGROUND: With aging, repetitive contraction of the platysma leads to an increase in platysma prominence (PP) characterized by the accentuation of vertical neck bands and blunting of the jawline's contour. METHODS: This multicenter, double-blind, phase 2 study evaluated onabotulinumtoxinA (onabotA) treatment in adults with Moderate to Severe PP. Participants were randomized to receive 1 treatment of onabotA low dose (LD), onabotA high dose (HD), or placebo, and were followed for 4 months...
April 19, 2024: Plastic and Reconstructive Surgery