Exercise after chemo: could a simple walking program protect your heart?
NCT ID NCT07517224
First seen Jun 27, 2026 · Last updated Sep 17, 2026 · Updated 6 times
Summary
This study looks at whether an 8-week aerobic exercise program can improve blood vessel function in women who have finished chemotherapy for non-metastatic breast cancer. Forty women will exercise three times a week for 30 minutes at a moderate pace. Researchers will measure artery stiffness and blood pressure to see if the program helps heart health.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Aerobic exercise program
- What this could lead to
- If it works, this could show that a simple exercise program helps improve heart and blood vessel health in breast cancer survivors after chemotherapy.
- What could go wrong
- This is a small, early feasibility study with only 40 participants. It may not prove that exercise directly improves vascular function, and results may not apply to all survivors.
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 40 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Oct 2026
An estimate. Start dates often move.
- Expected to finish
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May 2035
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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18 to 70 years
- 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.
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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 (18-70 years) with a stage I-III breast cancer diagnosis who have completed chemotherapy, immunotherapy and/or anti-HER2 agents. 2. Able to begin aerobic exercise within 12 weeks of the final chemotherapy, immunotherapy and/or anti-HER2 agents. 3. Sedentary by self-reporting inactivity (\<90 min of moderate or vigorous exercise per week) 4. Weight ≤154 kg 5. Willing to complete all study activities 6. Able to safely participate in moderate aerobic exercise. Exclusion criteria: 1. Current pregnant and lactating patients. Must have completed lactation prior to study start. 2. Metastatic disease. 3. Diagnosed cardiovascular disease prior to the initiation of cancer therapy, as evidenced by cardiomyopathy (reduced regional or global left ventricular contractility), diastolic dysfunction grade 2 or above, symptomatic coronary artery disease, ejection fraction below 50%. 4. Non-English speaking
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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 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.
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