# Evaluation the Efficacy of Zinc on Botulinum Toxin A Injection

> **NCT07270042** · NA · NOT_YET_RECRUITING · sponsor: **Tishreen University** · enrollment: 20 (estimated)

## Conditions studied

- Hyperactive Masseter Muscle

## Interventions

- **DRUG:** BOTOX 100U in normal saline with zinc
- **DRUG:** BOTOX 100U in normal saline with placebo

## Key facts

- **NCT ID:** NCT07270042
- **Lead sponsor:** Tishreen University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2025-12-01
- **Primary completion:** 2026-09-01
- **Final completion:** 2026-12-01
- **Target enrollment:** 20 (ESTIMATED)
- **Last updated:** 2025-12-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07270042

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07270042, "Evaluation the Efficacy of Zinc on Botulinum Toxin A Injection". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT07270042. Licensed CC0.

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