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Timing of radiation may cut brain cancer spread

NCT ID NCT05124236

Disease control Sponsor: Susanne Rogers 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 whether giving a single dose of radiation before surgery for brain metastases can lower the chance of cancer spreading to the lining of the brain, compared to five doses after surgery. About 200 adults with brain tumors that can be removed will take part. The goal is to see which timing works better at preventing disease spread and improving quality of life.

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 200 people

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

Started

Jul 2022

Expected to finish

Dec 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: 1. Provision of signed and dated informed consent form 2. Stated willingness to comply with all study procedures and availability for the duration of the study 3. Age ≥18 4. Karnofsky performance status ≥60 5. Histological diagnosis of a malignant primary or metastatic tumour 6. Ability to take steroids 7. No contraindication to magnetic resonance imaging (MRI) 8. MRI-diagnosis of a clearly demarcated contrast-enhancing brain metastasis up to 4.0 cm diameter indicated for neurosurgical resection (tumorboard decision). Up to 3 other brain metastases suitable for primary radiosurgery/ stereotactic radiotherapy 9. Survival estimated by primary clinician \> 12 months 10. Platelet count \> 100/ml, INR \< 1.3, Hb \> 7.5 g/dL Exclusion Criteria: 1. Radiosensitive histology: germ cell tumour, lymphoma, multiple myeloma 2. \>10 mm midline shift, effacement of the 4th ventricle or other sign of raised intracranial pressure requiring urgent decompressive surgery 3. More than 4 brain metastases or the diameter of the metastasis for resection \>4.0 cm. 4. More than 1 metastasis requiring resection 5. Leptomeningeal disease in the CSF or on MRI (unless localized and can be irradiated then resected with the metastasis) 6. Prior radiation to the brain (SRS/SRT to lesion to be resected and /or WBRT) 7. Prior resection of a primary or secondary brain tumor 8. Prior diagnosis of a non-meningioma brain tumor 9. Prior radionuclide therapy within 30 days 10. Prior anti-VEGF therapy within 6 weeks 11. Unable to tolerate radiosurgery immobilization and treatment 12. Inability to give informed consent 13. Pregnancy or lactation 14. Females of reproductive potential not willing to use effective contraception for at least 6 months after radiotherapy 15. Males of reproductive potential not effective contraception for 3 months after radiotherapy 16. Lack of likely compliance with protocol and follow-up

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Conditions

The condition(s) this trial relates to.

brain cancer metastatic malignant neoplasm in the brain

As listed by the trial registrant

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

Brain metastases, adult

How to take part

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

  1. The places running it

    9 sites in 2 countries. 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

  • Inselspital, Universitätsklinik für Radio-Onkologie

    RECRUITING

    Bern, Freiburgstrasse, 3010, Switzerland

  • Kantonsspital Aarau

    RECRUITING

    Aarau, Canton of Aargau, 5001, Switzerland

  • Kantonsspital Graubünden

    RECRUITING

    Chur, 7000, Switzerland

  • Kantonsspital St. Gallen

    RECRUITING

    Sankt Gallen, 9000, Switzerland

  • Kantonsspital Winterthur

    RECRUITING

    Winterthur, 8400, Switzerland

  • Knappschaft Kliniken, Universitätsklinikum Bochum GmbH

    RECRUITING

    Bochum, Germany

  • Luzerner Kantonsspital

    RECRUITING

    Lucerne, 6000, Switzerland

  • Tirol Kliniken Innsbruck

    ACTIVE_NOT_RECRUITING

    Innsbruck, 6020, Austria

  • UKGM-Giessen

    RECRUITING

    Giessen, Germany

  • Universitätsklinikum Schleswig Holstein

    RECRUITING

    Kiel, 24103, Germany

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