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Mining everyday radiotherapy data to sharpen cancer treatment

NCT ID NCT03378856

Knowledge-focused Sponsor: Centre hospitalier de l'Université de Montréal (CHUM) 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 26, 2026 · Last updated Sep 02, 2026 · Updated 3 times

Summary

This study aims to build a large database of information from cancer patients receiving standard radiotherapy. By systematically collecting clinical details, patient-reported outcomes, and imaging data, researchers hope to better understand radiation effects and long-term outcomes. The goal is to create a resource that can support future research and potentially improve how radiotherapy is planned and delivered.

What this could mean

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

Active substance
Standard-care radiotherapy
What this could lead to
If successful, this could lead to better understanding of radiation effects and improved radiotherapy techniques, potentially reducing side effects and improving outcomes for cancer patients.
What could go wrong
This is an observational study, so it won't directly test a new treatment. Its success depends on high patient participation and data quality, which may be challenging to achieve.

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 1,500 people

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

Started

Nov 2017

Expected to finish

Oct 2040

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 receiving standard-care radiotherapy at CHUM

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: * Ability to provide informed consent * Receiving radiotherapy or brachytherapy Exclusion Criteria: \-

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Conditions

The condition(s) this trial relates to.

cancer neoplasm radiation injury

As listed by the trial registrant

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

Cancer Radiotherapy side effect

How to take part

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

  1. The places running it

    9 sites. 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

  • BC Cancer - Kelowna

    RECRUITING

    Kelowna, British Columbia, Canada

  • BC Cancer - Vancouver

    RECRUITING

    Vancouver, British Columbia, V5Z 4E6, Canada

  • CHU de Québec - Université Laval

    RECRUITING

    Québec, Quebec, Canada

  • CISSS de Laval - Hôpital de la Cité-de-la-Santé

    RECRUITING

    Laval, Quebec, Canada

  • Centre Hospitalier de l'Université de Montréal

    RECRUITING

    Montreal, Quebec, Canada

  • London Health Regional Cancer Centre

    RECRUITING

    London, Ontario, N6C 2R5, Canada

  • Princess Margaret Cancer Centre

    RECRUITING

    Toronto, Ontario, Canada

  • Research Institute of the McGill University Health Center

    RECRUITING

    Montreal, Quebec, H3H 2R9, Canada

  • Sunnybrook Research Institute

    RECRUITING

    Toronto, Ontario, M4N 3M5, Canada

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