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Laser light may help surgeons spot risky bowel connections

NCT ID NCT07799740

Diagnosis Sponsor: University of Aarhus 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 02, 2026 · Last updated Sep 11, 2026 · Updated 2 times

Summary

This trial tests whether a laser-based imaging device can help surgeons assess blood flow in the bowel during rectal cancer surgery. About 100 adults with rectal cancer will have the laser imaging performed alongside standard fluorescence imaging. The goal is to see if the laser tool is practical in the operating room and whether it might help surgeons choose where to cut, potentially reducing the chance of a serious complication called anastomotic leakage.

What this could mean

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

Active substance
Laser speckle contrast imaging (PerfusiX-Imaging) compared with indocyanine green fluorescence imaging
What this could lead to
If it works, this imaging method could help surgeons choose safer cutting points during rectal cancer surgery, potentially lowering the risk of anastomotic leakage.
What could go wrong
This is an early feasibility study, so it may not prove that the imaging improves outcomes. The technique is new for laparoscopic use, and technical issues or surgeon acceptance could limit its usefulness.

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 100 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Jun 2029

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 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 * Rectal cancer * Surgical strategy either partial or total mesorectal excision * Able to provide informed consent Exclusion Criteria: \- Allergy to iodine

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Conditions

The condition(s) this trial relates to.

rectal cancer rectal neoplasm

As listed by the trial registrant

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

Indocyanine green (ICG) Laser speckle contrast imaging Optical imaging Rectal cancer Total mesorectal excision

How to take part

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

  1. The places running it

    2 sites. 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

  • Regional Hospital Gødstrup

    Herning, Denmark

  • Sygehus Lillebælt, Vejle Hospital

    Vejle, Denmark

More trials for these conditions

Other studies related to the condition(s) this trial covers.