New study explores how women react to mammogram facts
NCT ID NCT05838417
First seen Jun 27, 2026 · Last updated Sep 01, 2026 · Updated 2 times
Summary
This completed study looked at how women ages 39-49 make decisions about breast cancer screening. Participants read a decision aid explaining the pros and cons of mammograms and then answered surveys about their reactions, knowledge, and screening plans. The goal was to understand what influences their choices, not to test a treatment.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this could help doctors design better tools to help women make informed decisions about breast cancer screening.
- What could go wrong
- This is an observational study, not a treatment trial. It measures reactions and intentions, not health outcomes, so it cannot directly improve survival or reduce cancer risk.
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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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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499 people
The number who actually took part.
- Started
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Nov 2022
- Finished
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Nov 2025
- 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 49 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: * Individuals who identify as female at birth * Ages 39-49 years old (inclusive) at the time of consent * English literacy * Internet access * No prior diagnosis of breast cancer, ductal carcinoma in situ (DCIS, also known as "stage zero breast cancer"), or lobular carcinoma in situ * No known BCRA1/2 gene mutation Exclusion Criteria: * Individuals who identify other than female at birth * Individuals who are currently pregnant * Individuals \< 39 years old or 50 years old and \> at the time of consent * Lack English literacy * Lack of internet access * Prior diagnosis of breast cancer, ductal carcinoma in situ (DCIS, also known as "stage zero breast cancer"), or lobular carcinoma in situ * Known BCRA1/2 gene mutation * Decisionally Challenged Individuals * Prisoners or those on alternative sentencing or probation
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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 Hospital
Aurora, Colorado, 80045, United States
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University of Pennsylvania
Philadelphia, Pennsylvania, 19104, United States
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