Blood test could spare thousands from unnecessary breast cancer scares
NCT ID NCT07049822
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This study is testing whether a simple blood test can help rule out breast cancer in women who had a suspicious mammogram. About 75% of women called back for extra testing turn out to be fine, but they still go through stressful and unnecessary procedures. The goal is to use blood biomarkers to identify low-risk women and avoid those extra mammograms and biopsies. The study will enroll 1,200 women from the Danish breast cancer screening program.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- blood-based biomarker test
- What this could lead to
- If successful, this could make breast cancer screening more accurate and reduce the need for additional, often unnecessary, mammograms and biopsies.
- What could go wrong
- This is an early-stage study focused on correlation, not a proven diagnostic test. The blood test may not be accurate enough to replace current procedures, and results may not apply to all populations.
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 1,200 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2025
- Expected to finish
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Dec 2029
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
All women referred to a clinical mammography at Vejle Hospital or Odense University Hospital in the breast cancer screening program.
- Ages
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50 to 69 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: * Participation in the Danish breast cancer screening program Exclusion Criteria: * No clinical mammography conducted
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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
2 sites. 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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Odense University Hospital
Odense, 5000, Denmark
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Vejle Hospital
Vejle, 7100, Denmark
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