Den här översättningen är inte klar ännu. Den här sidan är just nu på engelska.

Gå till den engelska sidan

Cure My Disease

Don't miss your cure!

 Log in / Sign up

Brain surgery probe could unlock tumor secrets

NCT ID NCT04047264

Knowledge-focused Sponsor: Mayo Clinic 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 19, 2026 · Updated 3 times

Summary

This study is testing whether a small probe called a microdialysis catheter can be safely used during brain surgery to collect fluid samples from tumors. The goal is to measure biomarkers that could help doctors better understand and treat brain cancers like gliomas and metastatic tumors. About 100 adults undergoing brain surgery at Mayo Clinic will take part. The study focuses on safety and gathering information, not on providing a new treatment.

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 successful, this could help doctors develop better ways to diagnose and monitor brain tumors during surgery.
What could go wrong
This is an early feasibility study with only 100 participants, so it may not lead to immediate changes in treatment. There is a small risk of bleeding or other complications from the microdialysis catheter.

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.

Started

Jan 2020

Expected to finish

Sep 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.

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 * Diagnosis of the following, based on clinical and radiographic evidence: * Any glioma * Metastatic brain tumor of any primary origin * Epileptic focus requiring surgical resection * Planned neurosurgical procedure for purposes of biopsy or resection of suspected or previously diagnosed brain tumor (primary or metastatic) or epileptic focus as part of routine clinical care * Willing to undergo neurosurgical resection or biopsy at Mayo Clinic \[Rochester, Minnesota (MN)\] * For patients with gliomas recruited for post-operative microdialysis, willingness to stay in the hospital through post-operative day (POD) 3-5 (timing per physician and patient's shared decision making) * Ability to understand and the willingness to sign a written informed consent document * Enrollment into the Biobank study (IRB#12-003458) Exclusion Criteria: * Vulnerable populations: pregnant women, prisoners or the mentally handicapped * Patients who are not appropriate candidates for surgery due to current or past medical history or uncontrolled concurrent illness

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for Glioblastoma are added.

Vår säkerhetsrekommendation!

Genom att skicka in godkänner du våra Användarvillkor

Conditions

The condition(s) this trial relates to.

brain cancer glioblastoma glioma metastatic malignant neoplasm in the brain

As listed by the trial registrant

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

Glioblastoma GLIOMA Metastatic malignant neoplasm in the brain

How to take part

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

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

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

  3. 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 ↗

  4. 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

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • Mayo Clinic in Rochester

    RECRUITING

    Rochester, Minnesota, 55905, United States

    Contact Email: •••••@•••••

More trials for these conditions

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