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Laser zaps brain tumor regrowth without delaying key therapy

NCT ID NCT07616986

Disease control Sponsor: Insel Gruppe AG, University Hospital Bern 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a minimally invasive laser treatment for glioblastoma that regrows shortly after initial surgery, before standard radiotherapy and chemotherapy begin. The goal is to see if the laser can safely treat the regrowth without delaying the planned follow-up treatments. Only 12 adults with glioblastoma will participate, and the main focus is on whether the treatment schedule can be maintained.

What this could mean

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

Active substance
Laser interstitial thermal therapy (LITT) - a minimally invasive procedure using heat from a laser to destroy tumor tissue
What this could lead to
If successful, this could offer a way to treat early glioblastoma regrowth without delaying standard radiotherapy and chemotherapy, potentially improving survival.
What could go wrong
This is a very small, early feasibility study with only 12 participants. The procedure carries risks like bleeding, infection, or brain swelling, and it may not improve outcomes.

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 12 people

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

Started

Feb 2026

Expected to finish

Jan 2028

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: * Histologically confirmed glioblastoma, IDH-wildtype, regardless of MGMT status * ≥18 years of age * CRET * Karnofsky Performance Status (KPS) ≥70 * No contra-indication for radio-chemotherapy * Scheduled for adjuvant radio-chemotherapy at University Hospital of Bern * Able to provide informed consent * No contra-indication for LITT * No pregnancy or active breast-feeding * No known coagulopathy independent of medication * No dissemination or multifocal disease * Patients lacking capacity to consent or considered vulnerable (e.g., minors, those under legal protection) are not included. Exclusion Criteria:

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Conditions

The condition(s) this trial relates to.

glioblastoma

As listed by the trial registrant

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

Glioblastoma (GBM) Glioblastoma - category

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

  • Dep. of Neurosurgery, Bern University Hospital

    RECRUITING

    Bern, 3010, Switzerland

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