New hope for kidney cancer patients who Can't have surgery: targeted radiation trial launches
NCT ID NCT05023265
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study is testing a precise type of radiation, called SBRT, for people with kidney cancer that cannot be removed with surgery. The treatment aims to control the tumor while limiting damage to healthy tissue. Researchers will track tumor control and quality of life in 70 participants over two years.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- stereotactic body radiotherapy (SBRT)
- What this could lead to
- If successful, this could offer a non-invasive treatment option for people with kidney cancer who cannot have surgery, potentially controlling the tumor while preserving quality of life.
- What could go wrong
- This is a small, early-phase study (70 participants) without a comparison group, so results may not apply broadly. Side effects from radiation, though minimized, are still possible.
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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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
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About 70 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2022
- Expected to finish
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Oct 2026
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: * Patients ≥18 years old * Newly diagnosed RCC by biopsy (preferred) or radiologic evidence of growth on surveillance over two consecutive assessments (6-12 months) * Primary lesion \>3 cm, or recurrent lesion following local ablative therapy * Medically inoperable or patient who refuses surgery following assessment by experienced urologist, and discussed in a multidisciplinary setting * ECOG 0-2 * Written informed consent * Participants must be able to understand the English-language or with the aid of a translator Exclusion Criteria: * Primary Lesion \>20cm * Evidence of distant metastatic disease * Previous abdominal RT in vicinity of kidney preventing definitive SBRT * History of major radiosensitivity syndrome * Second invasive malignancy within the past 3 years (excluding non-melanomatous skin cancer) * Currently pregnant or lactating
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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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Sunnybrook Health Sciences
RECRUITINGToronto, Ontario, Canada
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