Benign Masseteric Hypertrophy
Conditions
Brief summary
This study is A Randomized, Double-blind, Placebo-controlled, Phase II Optimal Dose-finding Study to Determine the Safety and Efficacy of DWP450 in Subjects with Benign Masseteric Hypertrophy
Interventions
Botulinum toxin type A(DWP450)
Normal Saline
Sponsors
Study design
Eligibility
Inclusion criteria
1. Male or female subject over 18 years of age and written informed consent is obtained. 2. Subject with Benign Masseter Hypertrophy 3. Subject who has Bisymmetry of masseter at visual assessment. 4. Subjects who meets thickness of Masseter muscle by ultrasonography. 5. Subjects who can and will comply with the requirements of the protocol.
Exclusion criteria
1. Diagnosis of Myasthenia gravis, Eaton-Lambert syndrome, amyotrophic lateral sclerosis, or any other condition that might interfere with neuromuscular function 2. Subject who got any treatment, including double jaw surgery, laser, thread treatment etc. in 12 months. 3. Subject who had previously received botulinum toxin within 3 months prior to the study entry 4. Subject with known hypersensitivity to botulinum toxin 5. Subject who are pregnant or lactating or found pregnancy though the urine or sebum test or disagreed to avoid pregnancy during study period. 6. Subjects who are not eligible for this study at the discretion of the investigator
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Reduction amount of masseter muscle thickness | At 12 weeks | Reduction amount of masseter muscle thickness by Ultrasonography |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Reduction amount of masseter muscle thickness | At 4,8,16 weeks | Reduction amount of masseter muscle thickness by Ultrasonography |
| Reduction amount of lower face volume | At 4, 8, 12, 16 weeks | Reduction amount of lower face volume by 3D digital imaging |
| Overall satisfaction of subject | At 4, 8, 12, 16 weeks | Overall satisfaction of subject by questionnaire |