# BOTOX® Treatment for Adults With a Wide Lower Face Due to Masseter Muscle Prominence

> **NCT04073303** · PHASE3 · COMPLETED · sponsor: **AbbVie** · enrollment: 377 (actual)

## Conditions studied

- Masseter Muscle Prominence

## Interventions

- **BIOLOGICAL:** Botulinum Toxin Type A
- **OTHER:** Placebo

## Key facts

- **NCT ID:** NCT04073303
- **Lead sponsor:** AbbVie
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-08-29
- **Primary completion:** 2022-11-10
- **Final completion:** 2022-11-10
- **Target enrollment:** 377 (ACTUAL)
- **Last updated:** 2025-05-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04073303

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04073303, "BOTOX® Treatment for Adults With a Wide Lower Face Due to Masseter Muscle Prominence". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT04073303. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*