New adaptive radiation trial aims to cut prostate cancer treatment time without sacrificing quality of life
NCT ID NCT06355050
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study is testing a new type of radiation therapy for early-stage prostate cancer that delivers very high doses in just a few sessions. The radiation machine adjusts the beam daily based on the patient's anatomy, aiming to protect healthy tissue. Researchers will track quality of life and side effects in 150 patients across Germany and compare them to standard radiation approaches.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- ultrahypofractionated adaptive radiation therapy (Varian Ethos device)
- What this could lead to
- If successful, this could offer a shorter, more precise radiation treatment for early prostate cancer with fewer side effects and better quality of life.
- What could go wrong
- This is an early-phase observational study with no control group, so results may not prove superiority over standard radiation. Side effects from high-dose radiation remain 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.
- Participants
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About 150 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2026
- Expected to finish
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Sep 2032
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.
Who is studied
* low / intermediate risk prostate cancer * prostate volume \< 100 ccm
- Ages
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18 to 120 years
- Sex
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Male participants only
- 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: * no androgen deprivation therapy within the last 2 months prior to RT * good performance status (Eastern Cooperative Oncology Group, ECOG, 0/1) * no secondary malignancy
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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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Department of Radiotherapy and Radiation Oncology, Jena University Hospital
RECRUITINGJena, Germany
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- A scanner in the operating room could show surgeons exactly where prostate cancer remains
- New PET tracer aims to light up hidden cancer targets
- Can daily adaptive radiotherapy spare healthy tissue in prostate cancer?
- Can a radioactive tracer and MRI reveal prostate Cancer's true extent?
- Heart Disease's hidden toll: study tracks quality of life across mind, body, and spirit
- Five-Fraction radiation plus hormone therapy tested against High-Risk prostate cancer