Precision proton beam aims to spare healthy tissue in anal cancer treatment

NCT ID NCT01858025

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This pilot study tested a newer, more precise form of proton radiation called pencil beam scanning, given alongside standard chemotherapy drugs (5-FU and mitomycin-C), for people with anal cancer. The goal was to see if this combination is practical and might cause fewer skin side effects than standard radiation. Twenty-five participants were enrolled to assess feasibility and safety.

What this could mean

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

Active substance

pencil beam scanning proton radiation with 5-fluorouracil and mitomycin-C

What this could lead to

If successful, this approach could offer a way to treat anal cancer with fewer side effects than standard radiation.

What could go wrong

This is a very early pilot study with only 25 people. It only tests feasibility, not effectiveness, and may not lead to better outcomes.

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.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Massachusetts General Hospital

    Boston, Massachusetts, 02114, United States

  • Roberts Proton Therapy Center of the University of Pennsylvania

    Philadelphia, Pennsylvania, 19104, United States