Pretarsal Versus Preseptal Botulinum Toxin for Patients With Eyelid Spasm
Status:
Completed
Trial end date:
2019-02-20
Target enrollment:
Participant gender:
Summary
A triple-masked placebo-controlled trial assessing the efficacy and safety of pretarsal
versus preseptal botulinum toxin for patients with eyelid spasm. The investigators
hypothesize injection of botulinum toxin into the pretarsal orbicularis oculi muscle will
have greater clinical efficacy, better measured quality of life, fewer complications, and
better cost effectiveness in comparison to a preseptal pattern of injection.
Phase:
Phase 4
Details
Lead Sponsor:
The University of Hong Kong
Collaborator:
Food and Health Bureau, Hong Kong
Treatments:
abobotulinumtoxinA Botulinum Toxins Botulinum Toxins, Type A onabotulinumtoxinA Pharmaceutical Solutions