Nudge study aims to boost MRI use for dense breast cancer detection
NCT ID NCT05787249
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether sending reminders (nudges) to doctors or patients could increase the number of women with extremely dense breasts who get a breast MRI. Over 1,300 women aged 40-74 took part. The goal was to see if these nudges work better for Black or White women.
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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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1,358 people
The number who actually took part.
- Started
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Oct 2023
- Finished
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Apr 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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40 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.
Patient participants: Inclusion Criteria: * Women aged 40-74 * Recent non-actionable mammogram of less than 6 months * Mammogram performed at Penn Center for Advanced Medicine, Penn Presbyterian Hospital, Pennsylvania Hospital, or Radnor * Valid mobile phone number Exclusion Criteria: * Prior history of breast cancer * No breast MRI within the past 2 years * No prior actionable mammogram within 6 months * No recent or concurrent ultrasound Provider participants: Inclusion Criteria: * Provider needs to have ordered the initial screening mammogram * Employed by Penn Health System and access to Penn Chart
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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 Pennsylvania
Bala-Cynwyd, Pennsylvania, 19004, United States
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