Study probes why women ignore their personal breast cancer risk numbers
NCT ID NCT06441474
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at why some women disagree with their personal breast cancer risk estimate during mammography screening. Researchers will ask 726 women aged 39-74 about their risk number and whether they want more screening information. The goal is to understand this rejection to improve how risk information is shared.
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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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726 people
The number who actually took part.
- Started
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Apr 2025
- Expected to finish
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Apr 2028
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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39 to 74 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. Female sex 2. Age 39-74 (i.e., people who are eligible for routine breast cancer screening and for whom guidelines recommend an informed, risk-based decision) 3. English literacy Exclusion Criteria: 1\. Prior diagnosis of 1. breast cancer 2. Ductal carcinoma in situ (DCIS) 3. Lobular carcinoma in situ (LCIS) 4. Known BRCA1/2 gene mutation 5. Cowan syndrome 6. Li-Fraumeni syndrome 7. Having received previous chest radiation for treatment of Hodgkin's lymphoma.
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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 Colorado Denver
Aurora, Colorado, 80045, United States
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Washington University in St. Louis
St Louis, Missouri, 63130, United States
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