A Double‐Blind Randomised Controlled Trial Comparing the Efficacy of Nifedipine and Diltiazem Ointments in the Treatment of Anal Fissure

Key Points

• This trial aims to compare the effectiveness of nifedipine and diltiazem ointments for treating anal fissures.
• Double-blind design
• Randomised allocation of patients to treatment groups
• Comparison of ointment efficacy
• Both nifedipine and diltiazem showed improvements in symptoms of anal fissure.
• Efficacy rates were quantitatively assessed but specific numerical data were not provided.