# Comparison of Different Botulinum Toxin A Injection Patterns in the Treatment of Blepharospasm

> **NCT02327728** · NA · UNKNOWN · sponsor: **YangHui** · enrollment: 120 (estimated)

## Conditions studied

- Blepharospasm

## Interventions

- **PROCEDURE:** Botulinum toxin A injection (5 sites: 12.5U)
- **PROCEDURE:** Botulinum toxin A injection (4 sites: 10U)
- **DRUG:** Botulinum toxin A 12.5U
- **DRUG:** Botulinum toxin A 10U

## Key facts

- **NCT ID:** NCT02327728
- **Lead sponsor:** YangHui
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2013-02
- **Primary completion:** 2015-12
- **Final completion:** 2015-12
- **Target enrollment:** 120 (ESTIMATED)
- **Last updated:** 2014-12-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02327728

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02327728, "Comparison of Different Botulinum Toxin A Injection Patterns in the Treatment of Blepharospasm". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT02327728. Licensed CC0.

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