Weight-Loss drug may change breast cancer risk markers
NCT ID NCT06485089
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether tirzepatide, a weight-loss drug, could change certain markers in the blood, breast tissue, and mammograms that are linked to breast cancer risk. It included 25 women with obesity and other breast cancer risk factors. The goal was to see if the drug might lower their risk, but the main focus was on whether the study design itself was practical.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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25 people
The number who actually took part.
- Started
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Sep 2024
- Finished
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Mar 2026
- 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.
Who is studied
Women attending the KUMC Weight Management Clinic and approved or likely to be approved to start a clinical standard of care regimen of tirzepatide for weight loss.
- Ages
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40 to 64 years
- Sex
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Female participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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: * • BMI 30-45 kg/m2 * Female * Insurance approved or likely approved for tirzepatide clinical use \* * Additional risk factors for breast cancer other than obesity (any one or more) First or second degree with breast cancer Known high density on mammogram (heterogenous or extremely dense) Prior biopsy showing atypical hyperplasia or LCIS Prior treated DCIS Known carrier breast cancer predisposition gene mutation or known mutation in family member . 2- fold or higher estimated 10 year or lifetime risk compared to population by standard risk model (BCRAT, BCSC, IBIS Exclusion Criteria: * • Subglandular breast implants (women with subpectoral implants are eligible if C cup or greater; breast can easily be pulled off the chest wall; and with approval of PI) * Clinical contra-indication to incretin mimetics * Insurance/third party has denied coverage and participant does not wish to do self-pay. * Child-bearing potential and not on contraceptives * Prior invasive breast cancer * Currently taking any of the following medications: insulin, tamoxifen, raloxifene, letrozole, arimidex, exemestane, incretin mimetics.
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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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University of Kansas Medical Center
Kansas City, Kansas, 66160, United States
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University of Kansas Medical Center Breast Cancer Prevention Center
Westwood, Kansas, 66208, United States
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