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App and diet combo aims to improve colonoscopy cleanout

NCT ID NCT07395492

Symptom relief Sponsor: Chang Gung Memorial Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether using a smartphone app and a prepackaged low-residue diet helps people get a better bowel cleanse before a colonoscopy compared to standard paper instructions and self-managed diet. About 420 adults who have never used the bowel prep medication Bowklean will take part. The goal is to see if the app-based approach leads to cleaner colons and better detection of polyps.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 420 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Mar 2026

An estimate. Start dates often move.

Expected to finish

Oct 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 75 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Male or female 18 to 75 years of age. 2. Bowklean naive patient with no bowel preparation in 3 years. 3. The subject is scheduled for a colonoscopy. 4. Ability to complete the entire procedure and to comply with study instructions. 5. Willingness and ability to provide signed informed consent. Exclusion Criteria: 1\. Patients who are unsuitable for Bowklean use due to known contraindications, including but not limited to: 1. Allergies or hypersensitivity to Bowklean or its ingredients. 2. Severe gastrointestinal conditions (e.g., obstruction, perforation). 3. Renal impairment or electrolyte imbalances (e.g., severe hyponatremia). 4. Gastrointestinal surgery affects bowel preparation. 2. Patients deemed medically unsuitable for colonoscopy by the physician. 3. Cognitive, language, or other barriers that prevent completion of the questionnaire. 4\. Non-compliance with the bowel preparation protocol or inability to follow dietary restrictions (e.g., Prepackaged low residue diet, PLD). 5\. Inability to use or access the mobile APP (e.g., no smartphone, unfamiliarity with APP operations, or technical limitations). 6\. Participation in other clinical trials.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Bowel preparation solution

How to take part

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  1. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

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