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Glowing probe aims to improve brain tumor diagnosis

NCT ID NCT07286903

Knowledge-focused Sponsor: Fondazione I.R.C.C.S. Istituto Neurologico Carlo Besta 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is testing a new fiber optic probe that combines three technologies (fluorescence, Raman spectroscopy, and ultrasound) to help doctors see tumor tissue and blood vessels during brain biopsies. The probe will be tested on brain tumor tissue removed from 20 patients with high-grade glioma. The goal is to see if the probe can accurately identify tumor margins and blood vessels, which could make biopsies safer and more likely to get a good sample.

What this could mean

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

Active substance
5-ALA (a drug that makes tumor cells glow)
What this could lead to
If successful, this probe could make brain tumor biopsies safer and more accurate, reducing the need for repeat procedures.
What could go wrong
This is a very early, small (20 people) ex-vivo study testing the probe on removed tissue, not yet in live patients. The technology may not work as well in real-time surgery.

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 20 people

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

Started

Jul 2024

Expected to finish

Dec 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.

Who is studied

Patients with a presumptive diagnosis of high-grade glioma scheduled for surgical resection where 5-ALA is used as the standard of care.

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: * Patient aged 18 years or older * Patients able to provide the informed consentPresumptive diagnosis of high grade glioma * Patient whose surgery require the use of 5-ALA as standard of treatment Exclusion Criteria: * Patients who are not suitable for surgery * Patients unable to provide informed consent due to cognitive impairment or other reasons

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Conditions

The condition(s) this trial relates to.

glioma malignant glioma

As listed by the trial registrant

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

High grade glioma High grade glioma (iii or IV)

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

  • Fondazione IRCCS Istituto Neurologico Carlo Besta

    RECRUITING

    Milan, Italy

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