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New device for rectal cancer under the microscope

NCT ID NCT07501845

Knowledge-focused Sponsor: Maastricht Radiation Oncology Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

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

Summary

This study is collecting information from up to 999 people with rectal cancer who are treated with a special device called the MAASTRO HDR applicator. The goal is to learn how well it works and what side effects it causes, so doctors can improve future treatments. Participants will be followed for up to 10 years to track cancer control and quality of life.

What this could mean

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

Active substance
MAASTRO HDR rectal applicator (a device for high-dose-rate contact brachytherapy)
What this could lead to
If successful, this could help doctors better understand how to use this applicator to treat rectal cancer while sparing the rectum, potentially improving patient outcomes.
What could go wrong
This is an observational registry, not a controlled trial, so it cannot prove the treatment works. Results may take years and might not apply to all patients.

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

Study facts

What this study's own registry entry says, in plain language.

Participants

About 999 people

The number the study aims to enrol. It can still change while the study runs.

Started

Mar 2026

Expected to finish

Dec 2034

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Patients being treated with the MAASTRO HDR rectal applicator

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age ≥ 18 years. * Histological proof of rectal cancer, or a strong suspicion after imaging. * Treatment with MAASTRO HDR rectal applicator * Informed consent for longitudinal observational data collection. Exclusion Criteria: * Mentally incompetent patients.

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Conditions

The condition(s) this trial relates to.

rectal cancer rectal neoplasm

As listed by the trial registrant

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

Rectal cancer

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Maastro

    RECRUITING

    Maastricht, Netherlands

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