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Can radiation spare the brain while fighting cancer in the spinal fluid?

NCT ID NCT07789912

Disease control Sponsor: University of Miami 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 27, 2026 · Last updated Sep 02, 2026 · Updated 3 times

Summary

This trial tests a type of radiation called brain-avoidant proton craniospinal irradiation (BRAVO-pCSI) in people with leptomeningeal metastases, a condition where cancer spreads to the fluid and lining around the brain and spinal cord. The study includes adults with breast cancer, non-small cell lung cancer, or other solid tumors that have spread this way. The goal is to see if this radiation can delay cancer progression in the central nervous system and improve survival, while potentially reducing damage to healthy brain tissue.

What this could mean

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

Active substance
Brain-avoidant proton craniospinal irradiation (BRAVO-pCSI), a type of radiation therapy
What this could lead to
If it works, this radiation approach could slow or prevent cancer spread in the brain and spinal cord, offering a new way to manage leptomeningeal metastases.
What could go wrong
This is a phase II trial with a small number of participants, so results may not apply broadly. Radiation can cause side effects, and the treatment may not control the disease for long.

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

Phase 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 40 people

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

Expected to start

Oct 2026

An estimate. Start dates often move.

Expected to finish

Oct 2030

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: 1. Participants with leptomeningeal metastases established radiographically and/or through Cerebrospinal Fluid (CSF) cytology or circulating tumor cells (CTCs). Participants may have newly diagnosed or recurrent LM. 2. Pathologically confirmed breast or non-small cell lung cancer (NSCLC) primary (group 1 and). Pathologically confirmed solid tumor malignancy (group 2). 3. Participants with adequate bone marrow function. 4. Participants with a Karnofsky Performance Status (KPS) ≥ 60. 5. Male and female participants ages ≥ 18 years. 6. Female participants must be of either non-childbearing potential OR must agree to practice an effective contraceptive method. 7. Male participants must be of either non-childbearing potential OR must agree to practice an effective contraceptive method. Exclusion Criteria: 1. Participants with metastases within the memory-avoidance structures (hippocampus, corpus callosum, fornix, amygdala) that preclude developing a treatment plan that respects dosimetric constraints for these structures. 2. Participants with multiple, serious major neurologic deficits per physician/investigator assessment including encephalopathy. 3. Participants with extensive systemic disease and without reasonable systemic treatment options. 4. Participants unable to undergo MRI brain and spine with gadolinium contrast. 5. Participants who have had radiation therapy to the spinal cord with equivalent dose in 2Gy fractions (EQD2) more than 40Gy or cauda equina with EQD2 more than 50Gy using α/β of 3. 6. Female participants who are pregnant or lactating. 7. Participants with impaired decision-making capacity.

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm lung cancer lung neoplasm Meningeal Carcinomatosis neoplastic meningitis non-small cell lung carcinoma

As listed by the trial registrant

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

Breast cancer Leptomeningeal metastasis Lung cancer (NSCLC)

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

  • University of Miami

    Miami, Florida, 33136, United States

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