# Low Versus High Dose OnabotulinumtoxinA for Chronic Anal Fissure

> **NCT07543315** · PHASE3 · COMPLETED · sponsor: **Tanta University** · enrollment: 70 (actual)

## Conditions studied

- Chronic Anal Fissure

## Interventions

- **DRUG:** injection of Botulinum type A

## Key facts

- **NCT ID:** NCT07543315
- **Lead sponsor:** Tanta University
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2023-08-01
- **Primary completion:** 2025-08-30
- **Final completion:** 2025-12-30
- **Target enrollment:** 70 (ACTUAL)
- **Last updated:** 2026-04-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07543315

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07543315, "Low Versus High Dose OnabotulinumtoxinA for Chronic Anal Fissure". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT07543315. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*