Chronic anal fissure research hub

Treatment of Chronic Anal Fissure with Ultrasound-Guided Inter-Sphincteric Injections of Botulinum Toxin A

This study is looking at using a special injection called Botulinum Toxin A (Botox) to treat long-lasting tears (fissures) in the back passage. Researchers want to see if it helps reduce pain and improve quality of life for people with this condition.