AI-Assisted Written Information in Chronic Anal Fissure (AF-AI)

July 8, 2026 updated by: Vedat Kaplan, Sanliurfa Education and Research Hospital

Effect of AI-Assisted Written Patient Information on Medical Treatment Adherence and Short-Term Patient-Reported Outcomes in Primary Chronic Anal Fissure: A Prospective Randomized Controlled Trial

This single-center, prospective, 1:1 randomized, parallel-group controlled superiority trial compares standard verbal counseling with AI-assisted written patient information in adults with primary chronic anal fissure receiving initial medical/conservative treatment. The primary objective is to determine whether AI-assisted written information improves complete treatment adherence at day 14. Secondary objectives include pain and discomfort outcomes, Patient Global Impression of Change, HEMO-FISS-QoL change, stool form change, additional healthcare visits, transition to interventional treatment, and patient satisfaction.

Study Overview

Detailed Description

This is a single-center, prospective, 1:1 randomized, parallel-group, superiority-type controlled trial. Adult patients with primary chronic anal fissure for whom initial medical/conservative treatment is planned will be enrolled. Participants will be randomized in a 1:1 ratio to two groups. The control group will receive standardized verbal counseling, whereas the intervention group will receive AI-assisted written patient information containing the same medical content and pre-validated by the investigators. The medical treatment regimen will be identical in both groups, and the only difference will be the method of patient information delivery. Assessments will be performed face-to-face at baseline, by telephone on days 7 and 14, and face-to-face at week 6. The primary endpoint is complete treatment adherence at day 14. Secondary outcomes include changes in pain and discomfort at days 7 and 14 and week 6, PGI-C, change in HEMO-FISS-QoL score, change in stool form, additional healthcare visits, need for interventional treatment, and patient satisfaction.

Study Type

Interventional

Enrollment (Estimated)

220

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  1. Age 18 years or older
  2. Clinical diagnosis of primary chronic anal fissure
  3. Initial medical/conservative treatment planned at first evaluation
  4. Ability to read and understand Turkish
  5. Reachable by telephone
  6. Provision of written informed consent

Exclusion Criteria:

  1. Acute anal fissure
  2. Suspicion or diagnosis of secondary fissure (including Crohn's disease, tuberculosis, HIV-related lesion, suspected malignancy, or atypical lateral fissure)
  3. Planned botulinum toxin, surgery, or another interventional treatment
  4. History of botulinum toxin or surgical treatment for anal fissure within the last 6 months
  5. Concomitant perianal abscess, fistula, advanced hemorrhoidal disease, or another significant anorectal pathology
  6. Pregnancy and early postpartum period

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Health Services Research
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: AI-assisted written patient information
Participants receive standardized medical treatment plus AI-assisted written patient information that contains the same medical content as the verbal counseling and has been pre-validated by the investigators.
Investigator-validated written patient information prepared with AI assistance and provided in addition to standard medical treatment.
Active Comparator: Standardized verbal counseling
Participants receive standardized medical treatment plus standardized verbal counseling alone.
Standardized verbal counseling regarding medical treatment and lifestyle measures, provided in addition to standard medical treatment.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Complete treatment adherence at Day 14
Time Frame: Day 14
Complete treatment adherence at Day 14, defined as a total adherence score of at least 5 out of 6 predefined treatment-behavior items: regular topical medication use, correct application to the target area, regular stool softener or fiber support, achievement of the water intake target, regular warm sitz bath or warm water application, and avoidance of excessive straining.
Day 14

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Pain during defecation at Day 7
Time Frame: Day 7
Pain during defecation assessed using a 0 to 10 Visual Analog Scale, where 0 indicates no pain and 10 indicates the worst imaginable pain; higher scores indicate worse pain.
Day 7
Pain during defecation at Day 14
Time Frame: Day 14
Pain during defecation assessed using a 0 to 10 Visual Analog Scale, where 0 indicates no pain and 10 indicates the worst imaginable pain; higher scores indicate worse pain.
Day 14
Pain during defecation at Week 6
Time Frame: Week 6
Pain during defecation assessed using a 0 to 10 Visual Analog Scale, where 0 indicates no pain and 10 indicates the worst imaginable pain; higher scores indicate worse pain.
Week 6
Patient Global Impression of Change at Day 7
Time Frame: Day 7
Patient Global Impression of Change assessed on a 7-category ordinal scale: very much improved, much improved, a little improved, unchanged, a little worse, much worse, and very much worse.
Day 7
Patient Global Impression of Change at Week 6
Time Frame: Week 6
Patient Global Impression of Change assessed on a 7-category ordinal scale: very much improved, much improved, a little improved, unchanged, a little worse, much worse, and very much worse.
Week 6

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

July 15, 2026

Primary Completion (Estimated)

December 31, 2026

Study Completion (Estimated)

December 31, 2026

Study Registration Dates

First Submitted

July 8, 2026

First Submitted That Met QC Criteria

July 8, 2026

First Posted (Actual)

July 14, 2026

Study Record Updates

Last Update Posted (Actual)

July 14, 2026

Last Update Submitted That Met QC Criteria

July 8, 2026

Last Verified

July 1, 2026

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

IPD Plan Description

Individual participant data will not be shared because this is a single-center study involving sensitive patient-level clinical data, and there is no pre-specified institutional mechanism for external data sharing. Only aggregated, de-identified study results will be reported.

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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