Botox injection study aims to heal painful anal fissures

NCT ID NCT07543315

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This completed Phase 3 trial tested two doses of Botox (20 vs 50 units) injected into the anal sphincter to treat chronic anal fissures in 70 adults. The goal was to see which dose better heals the fissure, reduces pain, and allows a quicker return to daily activities. Researchers followed participants for one year to check healing and side effects like incontinence.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

Botulinum toxin type A (Botox)

What this could lead to

If successful, this could help doctors choose the best dose of Botox to heal chronic anal fissures and reduce pain with fewer side effects.

What could go wrong

This is a small, completed trial with only 70 participants, so results may not apply to everyone. Botox injections can cause temporary incontinence or other side effects.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for CHRONIC ANAL FISSURE are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Faculty of Medicine Tanta University

    Tanta, Egypt