# Diltiazem Ointment With Lidocaine vs. Nifedipine Ointment With Lidocaine Ointment for Treatment of Chronic Anal Fissure

> **NCT04887818** · PHASE2,PHASE3 · UNKNOWN · sponsor: **University of Calgary** · enrollment: 430 (estimated)

## Conditions studied

- Fissure in Ano
- Rectal Diseases
- Rectal Bleed

## Interventions

- **DRUG:** 2% Diltiazem ointment with 1.5% lidocaine
- **DRUG:** 0.3% Nifedipine ointment with 1.5% lidocaine

## Key facts

- **NCT ID:** NCT04887818
- **Lead sponsor:** University of Calgary
- **Sponsor class:** OTHER
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-06
- **Primary completion:** 2021-12
- **Final completion:** 2021-12
- **Target enrollment:** 430 (ESTIMATED)
- **Last updated:** 2021-05-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04887818

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04887818, "Diltiazem Ointment With Lidocaine vs. Nifedipine Ointment With Lidocaine Ointment for Treatment of Chronic Anal Fissure". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT04887818. Licensed CC0.

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