150
Participants
Start Date
May 16, 2019
Primary Completion Date
April 3, 2020
Study Completion Date
July 2, 2020
OnabotulinumtoxinA
OnabotulinumtoxinA (botulinum toxin Type A;BOTOX®) administered intramuscularly to the bilateral masseter muscles on Day 1.
Normal saline
Normal saline (placebo) administered intramuscularly to the bilateral masseter muscles on Day 1.
Baumann Cosmetic and Research Institute, Miami
Total Skin & Beauty Dermatology Center, PC, Birmingham
Nashville Centre for Laser and Facial Surgery, Nashville
DeNova Research, Chicago
Saint Louis University Dermatology, St Louis
Skin Specialists, PC, Omaha
Etre, Cosmetic Dermatology and Laser Center, New Orleans
Bellaire Dermatology Associates, Bellaire
Austin Institute for Clinical Research, Inc., Pflugerville
DermResearch, Inc., Austin
Advanced Clinical Research Gateway Aesthetic Institute & Laser Center, Salt Lake City
Westside Aesthetics, Los Angeles
Skin Care and Laser Physicians of Beverly Hills, Los Angeles
Cosmetic Laser Dermatology, San Diego
Lead Sponsor
Allergan
INDUSTRY