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Sound waves could reveal brain tumor secrets without surgery

NCT ID NCT05281731

Diagnosis Sponsor: Washington University School of Medicine 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests a new technique called sonobiopsy that uses focused ultrasound to release DNA from brain tumors into the bloodstream, making it easier to detect and analyze the tumor's genetic makeup through a simple blood test. The goal is to improve diagnosis and treatment planning for people with suspected glioblastoma, a fast-growing brain cancer. About 40 newly diagnosed adults with large, accessible brain tumors will participate.

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 40 people

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

Started

Apr 2022

Expected to finish

Nov 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: * Must be newly diagnosed with a lesion in the brain with imaging characteristics consistent with glioblastoma multiforme. Scan must have occurred no more than 28 days prior to enrollment. * Lesion must be \> 3 cm in maximal dimension on MRI. * Lesion must be in the supratentorial space within 5 cm of the cortical surface. * Lesion must be gadolinium enhancing. * Low grade tumors and metastatic tumors * Recurrent brain tumors and/or radiation necrosis * Must be planning to undergo surgical resection of the tumor. * Must be at least 18 years old. * Patients with recurrent GBM who are planning to undergo surgical resection or laser ablation of the recurrent tumor. Recurrence must be confirmed on MRI performed no more than 28 days prior to enrollment. Exclusion Criteria: * Contraindication to MRI. * Previous cranial surgery. * Previous history of cancer and/or cancer treatments. * Coagulopathy within 14 days of enrollment defined as PT/PTT outside of normal parameters and platelets \< 100,000/mcL. * Physical skull defect of any kind. * Ferrous material in the scalp or skull. * Scalp or skin disease that limits contact with the ultrasound probe. * Enrolled in another clinical trial where intervention is administered prior to surgery. * Known hypersensitivity to polyethylene glycol. * Known unstable cardiopulmonary condition (e.g. acute myocardial infarction, acute coronary artery syndromes, worsening or unstable congestive heart failure, serious ventricular arrhythmias).

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Conditions

The condition(s) this trial relates to.

glioblastoma glioma susceptibility 1

As listed by the trial registrant

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

Glioblastoma Glioblastoma multiforme

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

  • Washington University School of Medicine

    RECRUITING

    St Louis, Missouri, 63110, United States

More trials for these conditions

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