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Spared brain region may shield memory during whole brain radiation

NCT ID NCT03223922

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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 30, 2026 · Last updated Jul 01, 2026 · Updated 1 time

Summary

This study tests a modified whole brain radiation technique that avoids a specific area of the brain called the corpus callosum genu, which is important for memory and thinking. The goal is to see if this approach helps preserve cognitive function in people with brain metastases from solid tumors. Participants receive standard radiation doses, but the beam is shaped to spare that region. The study tracks changes in memory, thinking, and brain structure over 4 to 12 months.

What this could mean

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

Active substance
corpus callosum genu-sparing whole brain radiation therapy
What this could lead to
If successful, this approach could help preserve memory and thinking abilities in people receiving whole brain radiation for cancer that has spread to the brain.
What could go wrong
This is a small pilot study, so results may not apply to all patients. The radiation still targets the whole brain, and some cognitive decline or side effects may still occur.

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

40 people

The number who actually took part.

Started

Jul 2017

Expected to finish

Dec 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 to 100 years

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: * Histologic proof or unequivocal cytologic proof solid tumor malignancy. This may be obtained from either the primary or any metastatic site * Mini Mental State Examination (MMSE) ≥24 * Age≥ 18 years * Karnofsky Performance Status (KPS) ≥70 * Patient does not have metastases to the genu * Patient must be scheduled to undergo treatment with whole brain radiation therapy (WBRT) to manage the brain metastases * Patients of childbearing potential (male or female) must practice adequate contraception due to possible harmful effects of radiation therapy on an unborn child * Patient must have the ability to understand and the willingness to sign a written informed consent document * All patients must be informed of the investigational nature of this study and must be given written informed consent in accordance with institutional and federal guidelines * Patient must have a minimal life expectancy of at least 6 months * Patients receiving prior stereostatic radiosurgery (SRS) for brain metastases are eligible Exclusion Criteria: * Prior WBRT * MMSE\<24 * Patient has brain metastases in the genu * Patients must not have a serious medical or psychiatric illness that would, in the opinion of the treating physician prevent informed consent or completion of protocol treatment, and/or follow-up visits. * KPS\<70 * Non-native English speakers will be excluded since patients often lose their faculty with the language they acquired second before their native language is affected in the context of cognitive decline. This could adversely affect performance on verbal cognitive tasks. * Patients with absolute contraindication to MRI imaging are not eligible for the study

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Sibley Memorial Hospital

    Washington D.C., District of Columbia, 20016, United States

  • The SKCCC at Johns Hopkins

    Baltimore, Maryland, 21287, United States

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