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New Dye-Free colonoscopy could make cancer screening easier for IBD patients

NCT ID NCT07089771

Knowledge-focused Sponsor: Region Stockholm Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

People with inflammatory bowel disease (IBD) have a higher risk of colon cancer and need regular colonoscopies. This study compares two advanced methods: one uses a dye spray to highlight abnormal areas, and the other uses built-in camera filters to enhance the view without dye. Researchers will see if the dye-free method is as good at detecting precancerous changes, and also measure procedure time, biopsies, and patient comfort. About 480 adults with IBD will be randomly assigned to one method and followed over time.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If virtual chromoendoscopy proves as effective as dye-based, it could simplify colon cancer surveillance for IBD patients, reducing procedure time and eliminating dye-related risks.
What could go wrong
This is an early-stage comparison study, not a treatment trial. Results may show no significant difference, or virtual chromoendoscopy might miss some lesions, limiting its adoption.

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 480 people

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

Expected to start

May 2026

An estimate. Start dates often move.

Expected to finish

Dec 2032

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

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

Ages

18 years and older

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: * Age ≥ 18 years and one of the criteria beneath: * Extensive ulcerative colitis or indeterminate colitis (IBD-U), or Crohn's colitis involving at least one-third of the colon, with a disease history of at least 8 years * IBD or IBD-U with primary sclerosing cholangitis (PSC) * IBD or IBD-U with a family history of colorectal cancer in a first-degree relative Exclusion Criteria: * History of colorectal cancer or prior colectomy * Contraindications to dye use * Colonoscopies for therapeutic purposes * Pregnancy * Inability to consent

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Conditions

The condition(s) this trial relates to.

colorectal neoplasm Crohn disease indeterminate colitis inflammatory bowel disease ulcerative colitis

As listed by the trial registrant

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

Colorectal neoplasms Crohns disease Inflammatory bowel disease (IBD) Ulcerative colitis (disorder)

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Karolinska University Hospital

    Stockholm, 141 57, Sweden

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