Can early radiation stop cancer bone breaks?
NCT ID NCT07540650
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests whether giving radiation early to bone spots where cancer has spread can prevent complications like fractures or spinal cord pressure. About 90 adults with solid cancers that have spread to up to five bones will either get standard care or standard care plus radiation. The goal is to see if early radiation reduces bone-related events within one year.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- External beam radiotherapy
- What this could lead to
- If it works, this could reduce the risk of painful bone fractures and other serious bone complications in patients with cancer that has spread to the bones.
- What could go wrong
- This is a small, early-phase trial with only 90 participants, so results may not apply to everyone. Radiotherapy itself can cause side effects like fatigue or skin irritation.
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
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 90 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Apr 2026
An estimate. Start dates often move.
- Expected to finish
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Feb 2029
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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 * Histologically confirmed solid malignancy * Metastatic disease confirmed by imaging (CT, MRI, or PET-CT) * Presence of up to five high-risk bone metastases * High-risk bone metastases defined according to protocol criteria * Asymptomatic or minimally symptomatic bone metastases (not requiring opioid analgesics) * ECOG performance status 0-2 * Ability to provide written informed consent Exclusion Criteria: * Prior radiotherapy to the index bone metastases preventing safe treatment planning * Symptomatic bone metastases requiring immediate palliative radiotherapy * Evidence of spinal cord compression * Bone metastases causing significant pain requiring opioid analgesics * Oligometastatic disease suitable for radical treatment * Leptomeningeal disease * ECOG performance status ≥3 * Life expectancy less than 3 months * Any condition that, in the investigator's opinion, would interfere with study participation or assessment
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Institute of Oncology Ljubljana
Ljubljana, 1000, Slovenia
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