New laser blood test aims to detect breast cancer earlier
NCT ID NCT04273542
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This large study is testing whether a new laser-based blood test can help screen for breast cancer. Researchers will compare blood samples from women with and without breast cancer to see if the test can accurately spot the disease. If it works, it could offer a less invasive way to screen for breast cancer alongside mammograms.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
liquid biopsy (blood sample)
What this could lead to
If successful, this could lead to a simple blood test that helps detect breast cancer earlier, potentially reducing the need for some mammograms.
What could go wrong
This is a validation study, not a treatment trial. The new laser technique is still experimental and may not prove accurate enough to replace current screening methods.
Disclaimer
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This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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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
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Locations
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Centre Eugène MARQUIS
Rennes, France
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Centre Jean PERRIN
Clermont-Ferrand, Puy de Dome, 63011, France
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Hôpital La Pitié Salpêtrière
Paris, Île-de-France Region, 75000, France
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Hôpital Saint-Louis
Paris, Île-de-France Region, 75010, France
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Hôpital Tenon
Paris, Île-de-France Region, 75020, France
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Institut de Cancérologie de l'Ouest
Angers, France
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Institut de Cancérologie de l'Ouest
Saint-Herblain, France
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La Chataigneraie (Selimed 63)
Beaumont, Puy de Dôme, 63110, France
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Pôle Santé République
Clermont-Ferrand, Puy de Dôme, 63000, France