The Effect of Video-Based Education on Colonoscopy Preparation

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

246 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-06-01

Study Completion Date

2026-03-30

Brief Summary

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Colonoscopy is a routine procedure for evaluating gastrointestinal symptoms, detecting colorectal cancer, and removing polyps. Its effectiveness depends on patient compliance with bowel preparation instructions. However, inadequate bowel preparation occurs in 20-25% of colonoscopies, often due to non-adherence, medical conditions, or long waiting times. Poor preparation can reduce examination quality, prevent detection of precancerous lesions, and increase healthcare costs. Video-based education has been shown to be more effective than written or verbal instructions in improving bowel preparation. This study aims to evaluate the effect of video-based education on colonoscopy bowel preparation and contribute evidence to optimize patient compliance.

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Detailed Description

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Colonoscopy is a standard procedure performed for the evaluation of gastrointestinal symptoms, colorectal cancer screening, polyp detection, and polyp removal. Colorectal cancer (CRC) is the second leading cause of cancer-related deaths in the United States , and in Türkiye, 21,718 new cases were reported in 2022. These statistics underscore the importance of colonoscopy as a preventive and diagnostic tool.

When conducted properly, colonoscopy is safe and well-tolerated, allowing visualization of the entire colon and distal terminal ileum. The procedure's optimal effectiveness relies heavily on patient compliance with bowel preparation instructions. Unfortunately, inadequate bowel preparation occurs in approximately 20-25% of colonoscopies, often due to non-adherence, medical conditions affecting bowel cleansing, or prolonged waiting times for the procedure.

While interventions addressing medical conditions or waiting times may not always be feasible, non-compliance with preparation instructions represents a modifiable, patient-related factor. Effective bowel preparation requires adherence to dietary recommendations and the use of prescribed laxatives. The quality of preparation impacts examination adequacy, procedure duration, cancellation rates, and the need for repeat colonoscopies. Inadequate preparation can hinder thorough evaluation, prevent detection of precancerous lesions such as polyps, and increase healthcare costs.

Emerging evidence suggests that video-based educational interventions are more effective than traditional written or verbal instructions, phone calls, social media applications, or messaging services in improving patient compliance and bowel preparation quality.

This study aims to assess the effect of video-based education on bowel preparation before colonoscopy. By evaluating its impact on preparation quality and patient adherence, the study seeks to provide evidence for implementing more effective educational strategies in colonoscopy units, thereby optimizing clinical outcomes and resource utilization.

Conditions

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Bowel Preparation Quality Colonoscopy Patient Education

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Participants will be randomly assigned to either a video-based education group or a control group receiving standard written and verbal instructions. Both groups will be followed in parallel to assess the effect of the intervention on bowel preparation quality before colonoscopy.

Primary Study Purpose

HEALTH_SERVICES_RESEARCH

Blinding Strategy

NONE

Study Groups

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Video-based education group for Sodium Picosulfate (0.1 g) sennoside b (3 mg) + Bisacodyl (5 mg)

Participants receive a video-based education program explaining colonoscopy preparation steps, diet instructions, and use of laxatives.

Group Type EXPERIMENTAL

Video Education

Intervention Type BEHAVIORAL

Participants receive routine written and verbal instructions about colonoscopy preparation, including dietary instructions and use of prescribed laxatives. This represents the standard care provided at the study site.

Control group for Sodium Picosulfate (0.1 g) sennoside B (3 mg) + Bisacodyl (5 mg)

Participants receive routine written and verbal instructions for colonoscopy preparation.

Group Type NO_INTERVENTION

No interventions assigned to this group

Video-based education group for Sodium Picosulfate (0.1 g)

Participants receive a video-based education program explaining colonoscopy preparation steps, diet instructions, and use of laxatives.

Group Type EXPERIMENTAL

Video Education

Intervention Type BEHAVIORAL

Participants receive routine written and verbal instructions about colonoscopy preparation, including dietary instructions and use of prescribed laxatives. This represents the standard care provided at the study site.

Control group for Sodium Picosulfate (0.1 g)

Participants receive routine written and verbal instructions for colonoscopy preparation.

Group Type NO_INTERVENTION

No interventions assigned to this group

Video-based education group for Sennoside A+B (1875 mg)

Participants receive a video-based education program explaining colonoscopy preparation steps, diet instructions, and use of laxatives.

Group Type EXPERIMENTAL

Video Education

Intervention Type BEHAVIORAL

Participants receive routine written and verbal instructions about colonoscopy preparation, including dietary instructions and use of prescribed laxatives. This represents the standard care provided at the study site.

Control group for Sennoside A+B (1875 mg)

Participants receive routine written and verbal instructions for colonoscopy preparation.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Video Education

Participants receive routine written and verbal instructions about colonoscopy preparation, including dietary instructions and use of prescribed laxatives. This represents the standard care provided at the study site.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Voluntary participation in the study.
* Outpatient follow-up.
* No prior history of colonoscopy.
* Participant or a household member (spouse, child, parent, sibling) owns and can use a smartphone application.

Exclusion Criteria

* History of major abdominal surgery.
* Suspected obstructive lesion in the gastrointestinal tract on cross-sectional imaging.
* Impaired swallowing reflex.
* Mental disorder.
* Communication difficulties (speech, perception, comprehension problems).
* Congestive heart failure or kidney failure.
* Pregnancy or breastfeeding.

Minimum Eligible Age

18 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No