Daily custom radiation plans could cut breast cancer treatment delays
NCT ID NCT05727553
First seen Jul 16, 2026 · Last updated Jul 17, 2026 · Updated 1 time
Summary
This trial tests a new way to deliver radiation after breast cancer surgery. Instead of using a single treatment plan for the whole course, the Ethos system creates a new plan each day based on the patient's current anatomy. The goal is to avoid delays caused by changes in breast shape or swelling. Researchers will measure how long each session takes, how patients feel about the process, and whether the daily plans improve radiation accuracy.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- online adaptive radiotherapy delivered on the Ethos system
- What this could lead to
- If successful, this approach could make breast cancer radiotherapy faster and more precise, reducing the need for treatment breaks and re-planning.
- What could go wrong
- This is a small, early-stage study focused on workflow and patient experience, not on long-term cancer outcomes. The technology may not improve results for all patients.
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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
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Locations
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Amsterdam UMC
Amsterdam, North Holland, 1081 HV, Netherlands
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