# Comparison of Treatment Success of Botox Injection in the Internal Sphincter Versus Isosorbidedinitrate Ointment in Patients With an Anal Fissure

> **NCT00827736** · PHASE4 · COMPLETED · sponsor: **Onze Lieve Vrouwe Gasthuis** · enrollment: 73 (actual)

## Conditions studied

- Anal Fissure

## Interventions

- **PROCEDURE:** Botox
- **DRUG:** ISDN ointment
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT00827736
- **Lead sponsor:** Onze Lieve Vrouwe Gasthuis
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2002-06
- **Primary completion:** 2006-03
- **Final completion:** 2006-03
- **Target enrollment:** 73 (ACTUAL)
- **Last updated:** 2009-01-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00827736

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00827736, "Comparison of Treatment Success of Botox Injection in the Internal Sphincter Versus Isosorbidedinitrate Ointment in Patients With an Anal Fissure". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT00827736. Licensed CC0.

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