Status:

COMPLETED

A Study to Assess Adverse Events and Change of Masseter Muscle Prominence Using BOTOX Injections in Adult Participants

Lead Sponsor:

AbbVie

Conditions:

Masseter Muscle Prominence

Eligibility:

All Genders

18-64 years

Phase:

PHASE3

Brief Summary

The masseter muscle is one of the muscles in the lower face used for chewing. Prominence of the masseter muscle can appear as a widened and square lower face shape, which is an aesthetic concern for i...

Eligibility Criteria

Inclusion

  • Adult Japanese individuals.
  • Participant with marked or very marked masseter muscle prominence (MMP).

Exclusion

  • Asymmetry of left and right sides of the face that could prevent identical Masseter Muscle Prominence Scale (MMPS) or MMPS-P grading on both sides of the face, as determined by the investigator.
  • History of permanent soft tissue fillers in the jawline.

Key Trial Info

Start Date :

November 22 2023

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

July 31 2025

Estimated Enrollment :

259 Patients enrolled

Trial Details

Trial ID

NCT06137287

Start Date

November 22 2023

End Date

July 31 2025

Last Update

August 22 2025

Active Locations (18)

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Page 1 of 5 (18 locations)

1

Jyosui Dermatology Clinic /ID# 254300

Fukuoka, Fukuoka, Japan, 810-0022

2

Kotoni Tower Skin And Cosmetic Surgery Clinic /ID# 260668

Sapporo, Hokkaido, Japan, 063-0812

3

Tokai University Hospital /ID# 254204

Isehara, Kanagawa, Japan, 259-1193

4

Yoshikawa Skin Ecru Clinic /ID# 256505

Kyoto, Kyoto, Japan, 604-8035