HIIT may shield breast cancer Survivors' hearts from chemo damage
NCT ID NCT05913713
First seen Jun 27, 2026 · Last updated Aug 28, 2026 · Updated 2 times
Summary
This study looks at whether high-intensity interval training (HIIT) is better than moderate exercise for improving heart health in women who finished chemotherapy for breast cancer. About 158 participants will be assigned to either HIIT or moderate exercise to see which approach works best for reducing heart disease risk. The goal is to find the best exercise plan to protect the heart after cancer treatment.
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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 158 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 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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18 to 85 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: * female patients based on biological sex * 18 to 85 years of age * diagnosis of primary, invasive, non-metastatic, stages I-III breast cancer * completed chemotherapy for breast cancer (anthracycline, alkylating agent and/or taxane) more than 6 months but less than 18 months prior to study enrollment. Adjuvant endocrine therapy for breast cancer (e.g., ovarian suppression, SERMs, SERDs, AIs), CDK4/6 inhibitors, PARP inhibitors, HER2 targeted agents, immunotherapy, and bisphosphonates are allowed within 6 months of study enrollment and during study participation * absence of contraindications to exercise or to participate in study * study clinician approval Exclusion Criteria: * do not meet inclusion criteria * scheduled to receive surgery or radiation therapy during the intervention period * any relevant cardiovascular diseases (stroke, heart failure, myocardial ischemia during maximal graded exercise test, myocardial infarction, angina pectoris, coronary artery bypass surgery or angioplasty or coronary stent) * lymphedema stage ≥2 prior to study enrollment * are pregnant * current participation in other experimental interventions that may confound interpretation of study findings (e.g., dietary intervention for weight loss)
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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.
Contacts and locations
Locations
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Integrative Cardiovascular Physiology Laboratory, University of Florida
Gainesville, Florida, 32611, United States
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Other studies related to the condition(s) this trial covers.
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