# UK trial tests five-day breast cancer radiotherapy

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Topic: Science · Status: published · Version: 1
Published: 2026-10-31T23:31:31.883Z · Updated: 2026-10-31T23:31:31.883Z
Record: https://davids.news/s/uk-trial-tests-five-day-breast-cancer-radiotherapy-4f31f766

More than 1,000 people have joined a government-funded study at 39 UK hospitals, the government says.

- The FAST-Forward Boost trial will test whether treatment can be shortened from three weeks to five days with an additional targeted dose.

Why it matters: The study is testing whether a shorter course can reduce hospital visits while helping prevent breast cancer from returning, according to the government.

## Original sources

- [UK Government](<https://www.gov.uk/government/news/government-steps-up-action-on-breast-cancer>) — primary announcement
  Source: UK Government 2026 · Original report: 2026-10-30T00:15:05.000Z

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