Effects of Dose and Injection Site for Gummy Smile Treatment With Botulinum Type A

Clinical trial NCT04820543 · COMPLETED

Trial details

NCT number: NCT04820543
Sponsor: Peking University
Status: COMPLETED
Phase: Phase 4
Study type: INTERVENTIONAL

Smiling Botulinum Toxins, Type A

Start date: 2019-02-20
Primary completion: 2019-11-20
Enrollment: 55

View on ClinicalTrials.gov

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