Can more radiation save rectums? new trial aims to find out

NCT ID NCT04095299

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This phase 3 trial compares standard versus higher-dose radiotherapy, combined with chemotherapy, in 162 people with early low or mid rectal cancer. The goal is to see if a higher dose helps more patients achieve a complete response and avoid surgery, preserving their rectum. Participants will be monitored closely for two years to check if the cancer stays away.

What this could mean

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

Active substance

Radiotherapy (standard or high dose) plus chemotherapy (capecitabine)

What this could lead to

If successful, this could offer a way for some early rectal cancer patients to avoid surgery and keep their rectum, improving quality of life.

What could go wrong

This is a phase 3 trial, but it's still uncertain if the higher dose will work better. Risks include side effects from radiation and chemotherapy, and the cancer may still come back.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

rectal cancer rectal neoplasm rectum adenocarcinoma

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Aalborg University Hospital

    RECRUITING

    Aalborg, Denmark

  • Copenhagen University Hospital, Righshospitalet and Bispebjerg Hospital

    RECRUITING

    Copenhagen, Denmark

  • Department of Oncology, Vejle Hospital

    RECRUITING

    Vejle, Denmark

    Contact Email: •••••@•••••

  • Zealand University Hospital, Næstved

    RECRUITING

    Næstved, Denmark

  • Zealand University Hospital, Roskilde

    RECRUITING

    Roskilde, Denmark