# Comparison of Botulinum Toxin and Sphincterotomy in the Treatment of Chronic Anal Fissure

> **NCT01095900** · — · COMPLETED · sponsor: **Theodor Bilharz Research Institute** · enrollment: 40 (estimated)

## Conditions studied

- Pain

## Interventions

- **PROCEDURE:** conservative lateral internal sphincterotomy
- **PROCEDURE:** Intra-sphincteric Botulinum-toxin injection

## Key facts

- **NCT ID:** NCT01095900
- **Lead sponsor:** Theodor Bilharz Research Institute
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** —
- **Primary completion:** —
- **Final completion:** —
- **Target enrollment:** 40 (ESTIMATED)
- **Last updated:** 2010-03-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01095900

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01095900, "Comparison of Botulinum Toxin and Sphincterotomy in the Treatment of Chronic Anal Fissure". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT01095900. Licensed CC0.

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