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Clinical Trial Summary

Hemifacial spasm patients who received botulinum toxin A injection were divided into two groups. Group A received unilateral injection while group B received bilateral injection. Patients completed follow-up A researcher record facial videos and analyzed facial symmetry and completed 3 scales.


Clinical Trial Description

Hemifacial spasm patients who received botulinum toxin A injection were divided into two groups.Patients of unilateral group were injected to the affected side and the dose of botulinum toxin A was 2.5-3.75 units/per site. Patients of bilateral group were injected to the affected side with dose of 2.5-3.75 units/per site and the normal side was injected with dose of 1.25 units/per site.

3 scales for measurement were used. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03306940
Study type Interventional
Source Tongji University
Contact Lingjing Jin, PhD
Phone +86 02166111310
Email 1164427300@qq.com
Status Recruiting
Phase N/A
Start date October 2, 2017
Completion date August 31, 2018

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