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

NCT01095900 · clinicaltrials.gov ↗

COMPLETED

Status

40

Enrollment

OTHER

Sponsor class

Conditions

Pain

Interventions

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

Sponsor

Theodor Bilharz Research Institute