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Can a laser measure gut lesions better than the human eye?

NCT ID NCT07770425

Knowledge-focused Sponsor: Centre hospitalier de l'Université de Montréal (CHUM) Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 18, 2026 · Last updated Aug 19, 2026 · Updated 1 time

Summary

This study tests whether a laser-based device called AccuMeasure can measure the size of polyps and ulcers during gastrointestinal endoscopy more accurately than traditional methods like visual estimation or using tools as references. Researchers will compare AccuMeasure's readings to standard scoring systems and other measurement techniques in about 3,000 adults undergoing endoscopy. The goal is to see if this technology provides more reliable and consistent measurements, which could improve how doctors assess and monitor conditions like Crohn's disease and ulcerative colitis.

What this could mean

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

Active substance
AccuMeasure, a laser-based measurement device used during endoscopy
What this could lead to
If proven accurate, this laser tool could make endoscopic measurements more precise, improving disease monitoring and treatment decisions for conditions like Crohn's disease and colon polyps.
What could go wrong
This is an observational study, so it won't prove the device improves patient outcomes. Accuracy may vary in real-world use, and the device might not be widely adopted.

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.

Participants

About 3,000 people

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

Started

May 2025

Expected to finish

Nov 2027

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.

Who is studied

All eligible patients presenting at the CHUM for an endoscopy will be approached for this study.

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: * Adult patients (18 years and older) * Patients undergoing gastrointestinal endoscopy procedures Exclusion Criteria: * Minors: Patients under 18 years of age. * Patients who do not provide informed consent. * Patients undergoing endoscopy on an emergency basis (defined as urgent diagnostic or therapeutic endoscopy performed on the gastrointestinal (GI) tract to address potentially life-threatening conditions or severe symptoms that require immediate medical attention). * An American Society of Anesthesiologists (ASA) physical status classification greater than 3.

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Conditions

The condition(s) this trial relates to.

Crohn disease polyp of colon

As listed by the trial registrant

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

Crohn disease Polyp of colon

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

  • Centre Hospitalier de l'Université de Montréal

    RECRUITING

    Montreal, Quebec, Canada

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