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Could just 5 radiation sessions be as good as 15 for breast cancer?

NCT ID NCT03677427

Completed Disease control Sponsor: University Hospital, Ghent Source: ClinicalTrials.gov ↗

First seen Jul 21, 2026 · Last updated Jul 22, 2026 · Updated 1 time

Summary

This trial tests whether an accelerated radiation schedule of 5 sessions over 10-12 days works as well as the standard 15-session schedule for women who have had breast-conserving surgery for breast cancer. The study measures breast shape changes two years after treatment. If the shorter schedule proves effective, it could mean fewer hospital visits and potentially fewer side effects for patients.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
radiation therapy in 5 sessions versus 15 sessions
What this could lead to
If successful, a 5-session radiation schedule could become a standard option, reducing treatment burden and improving quality of life for many breast cancer patients.
What could go wrong
This is a single randomized trial; results may not apply to all patients. The shorter schedule might have different long-term side effects or tumor control rates.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm

As listed by the trial registrant

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

BREAST CANCER

Contacts and locations

Locations

  • Radiotherapie UZ Gent

    Ghent, Oost-Vlaanderen, 9000, Belgium

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