Could a simple blood test spot breast cancer earlier?
NCT ID NCT05798338
First seen Jun 27, 2026 · Last updated Aug 27, 2026 · Updated 2 times
Summary
This study is testing a new, highly sensitive blood test to measure tiny particles called extracellular vesicles that are released by breast cancer cells. Researchers will compare levels in women with early or metastatic breast cancer to healthy controls. The goal is to see if this test can help diagnose breast cancer or monitor treatment response without needing a tissue biopsy.
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 lead to a simple blood test to help detect breast cancer earlier or track how it responds to treatment.
- What could go wrong
- This is an early-stage study with only 105 participants, so the test may not prove accurate enough for widespread use. It is not a treatment study.
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 105 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2020
- Expected to finish
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Sep 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
Breast cancer patients
- Ages
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18 to 90 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: * Signing of a specific informed consent for participation to the study * Female sex Population 1: * Diagnosis of early breast cancer; * Indication for surgery after multidisciplinary discussion. Population 2: \- Patients having a negative mammography or breast ultrasound within 12 months from the study enrollment. Population 3: * Diagnosis of metastatic breast cancer confirmed by cytological/histological examination or by imaging; * Indication to chemotherapy. Exclusion Criteria: Population 1: * Presence of distant metastases * Synchronous presence of a different tumor * Indication to neoadjuvant chemotherapy Population 2: * Diagnosis of breast cancer * Synchronous presence of a different tumor or chronic disease Population 3: \- Patients who are unfit for systemic chemotherapy treatment
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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
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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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Istituti Clinici Scientifici Maugeri SpA
RECRUITINGPavia, Lombardy, 27100, Italy
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