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Radiotherapy's hidden toll: muscle loss and fatigue under the microscope

NCT ID NCT02567669

Knowledge-focused Sponsor: Essentia Health Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tracks 20 women with breast cancer to see if radiotherapy causes muscle loss outside the treated area and how it relates to fatigue. Participants complete fatigue questionnaires and get CT scans at four time points: start, end, and 1 and 3 months after treatment. The goal is to understand these side effects better, not to test a new treatment.

What this could mean

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

What this could lead to
If successful, this study could help doctors understand why some patients feel tired and lose muscle during radiotherapy, leading to better supportive care.
What could go wrong
This is a small, observational study with only 20 participants, so results may not apply to everyone. It is not testing a treatment, so no direct benefit for 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 20 people

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

Start date

Jan 2016

Expected to finish

Dec 2026

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 with nonmetastatic breast cancer with indications for postoperative radiotherapy

Ages

18 years and older

Sex

Female participants only

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: 1. Women Age ≥ 18 years 2. Non-metastatic breast cancer for which post-operative radiation treatment has been recommended as standard of care 3. Able to provide informed consent 4. Able to complete the Brief Fatigue Inventory questionnaire - Exclusion Criteria: 1. Pregnant 2. Inability to meet eligibility requirements -

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm Fatigue Sarcopenia

As listed by the trial registrant

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

Breast cancer Fatigue Sarcopenia

More trials for these conditions

Other studies related to the condition(s) this trial covers.