New tool aims to personalize breast cancer screening for thousands of women
NCT ID NCT04996316
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is testing a tool called MammoScreen, a simple questionnaire that helps identify women at average or increased risk for breast cancer. The goal is to see if using this tool in clinics leads to more appropriate screening referrals. About 1,141 women aged 40 to 74 who use MyChart and read English will take part. The study does not test a treatment but aims to improve how breast cancer risk is assessed and managed.
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.
- Participants
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About 1,141 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2022
- Expected to finish
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Aug 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.
Who is studied
Women between the ages of 40 and 74
- Ages
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40 to 74 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: * Women between the ages of 40 and 74 * Enrolled in MyChart * Able to read English Exclusion Criteria: * Personal history of breast or ovarian cancer * Currently Pregnant * Currently in Hospice
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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 places running it
1 site. The list below names each one and where it is.
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The official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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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
Locations
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OHSU Knight Cancer Institute
Portland, Oregon, 97239, United States
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Other studies related to the condition(s) this trial covers.
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