Exercise may shield hearts of older breast cancer survivors
NCT ID NCT06595147
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at whether a 12-week structured exercise program can improve heart and muscle health in breast cancer survivors aged 60 and older who had chemotherapy. Sixty participants will be randomly assigned to either supervised exercise training or a yoga and stretching program. The goal is to see if exercise can help prevent the decline in physical function and heart health that often follows cancer treatment.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Structured exercise training (aerobic and resistance) and group-based yoga and stretching
- What this could lead to
- If it works, this could show that structured exercise helps older breast cancer survivors maintain heart and muscle function after chemotherapy.
- What could go wrong
- This is a small, early-stage study with only 60 participants. The results may not apply to all survivors, and the exercise program may not be more effective than yoga and stretching.
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.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 60 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2024
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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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.
- Ages
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60 years and older
- Sex
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Female participants only
- Healthy volunteers
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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 Hide 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 ≥60 years * Previously diagnosed with early-stage (I-III) BC * Completed (≥1 year post) primary cardiotoxic treatment (anthracycline-based chemotherapy or trastuzumab-based biological therapy). Exclusion Criteria: * Have a history of coronary artery disease, heart failure, persistent and permanent arrhythmia (e.g. currently in atrial fibrillation), stroke, or chronic obstructive pulmonary disease * Develop signs or symptoms of myocardial ischemia (≥1mm horizontal or down-sloping ST segment depression on electrocardiogram) during the cardiopulmonary (VO2peak) test * Have any research MRI contraindications (e.g. any type of pacemaker), or any orthopedic limitation preventing exercise testing * Currently performing structured exercise training (defined as ≥30 mins/day of moderate-to-vigorous aerobic and/or resistance exercise training on ≥4 days/week) * Are unwilling to be randomized to either ExT or STRETCH
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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University of Alberta
RECRUITINGEdmonton, Alberta, T6G1C9, Canada
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