Can a Weight-Loss drug shield breast cancer Survivors' hearts?
NCT ID NCT07769047
First seen Aug 17, 2026 · Last updated Aug 18, 2026 · Updated 1 time
Summary
This trial tests whether adding semaglutide to structured lifestyle counseling improves heart and blood vessel health in postmenopausal breast cancer survivors with obesity who are taking an aromatase inhibitor. Participants will receive either semaglutide or a placebo, along with nutrition and physical activity guidance, and researchers will measure changes in arterial stiffness and other markers over 24 weeks. The goal is to see if this approach can lower the risk of cardiovascular problems in this population.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- semaglutide
- What this could lead to
- If effective, adding semaglutide to lifestyle support could reduce cardiovascular risk in breast cancer survivors, potentially improving long-term outcomes.
- What could go wrong
- This is a small, early-phase trial, and results may not apply broadly. Semaglutide can cause gastrointestinal side effects, and the impact on heart health is not yet proven.
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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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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About 50 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Sep 2026
An estimate. Start dates often move.
- Expected to finish
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Jul 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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46 to 55 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.
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: * Breast cancer diagnosed after menopause (menopause defined as the natural/spontaneous cessation of menses for at least 12 months) * Breast cancer (BC) diagnosed within the past five years * BC stage 1, 2, or 3 * Aged 46-55 years * Body mass index (BMI) ≥ 30 kg/m\^² * Current use of an aromatase inhibitor * Ability to participate in all portions of the study, including willingness to self-inject Exclusion Criteria: * \> 5% change in weight during the 3 months prior to screening and/or weight fluctuation of ≥ 20 pounds within the past 6 months (self-report) * Early menopause (menopause occurring before age 46) * History of established cardiovascular disease, including coronary atherosclerosis, ischemic heart disease, peripheral vascular disease, or stroke * Statin use * 10-year Atherosclerotic Cardiovascular Disease (ASCVD) risk \> 7.5% * History of smoking * History of type 1 or type 2 diabetes * Family history of premature cardiovascular disease in a first-degree relative (before 45 years old in male relatives and before 55 years old in female relatives) * Use of chemotherapy, radiation therapy, or immunotherapy for breast cancer treatment * Impaired renal function \[glomerular filtration rate (GFR) ≤ 30 ml/min/1.73 m\^²\] * Thyroid-stimulating hormone (TSH) ≥ 7 with low free thyroxine (T4) * Hemoglobin \< 11 mg/dL * Active inflammatory, autoimmune, infectious, hepatic, gastrointestinal, malignancy, or uncontrolled psychiatric disease * Other anti-obesity medication used within the past 3 months * Prior or planned surgical treatment for obesity (excluding liposuction or abdominoplasty performed \> 1 year before screening) * Past or intended endoscopic and/or device-based therapy or removal within the last six months * Current or recent (within 3 months) use of medications that may cause weight gain, including tricyclic antidepressants, atypical antipsychotics, and mood stabilizers * Current or recent use (within 3 months) of systemic glucocorticoid therapy for over 2 weeks * Contraindications to glucagon-like peptide 1 (GLP-1) receptor agonist therapy * Currently enrolled in another clinical study involving an investigational product or participated in one and received treatment (active or placebo) in the last 30 days
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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 study's own enquiry address
This study publishes an address for enquiries. See it below .
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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
Show contact details
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Genom att skicka in godkänner du våra Användarvillkor
Study contacts
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Contact
Email: •••••@•••••
Locations
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Mayo Clinic in Florida
Jacksonville, Florida, 32224-9980, United States
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Other studies related to the condition(s) this trial covers.
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- Can a vaccine train the immune system to hunt down hidden breast cancer cells?
- Could a common cholesterol drug boost breast cancer treatment?