Simple blood test may predict deadly clots in cancer patients
NCT ID NCT06051214
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is testing whether a monthly blood test can predict dangerous blood clots in people with certain cancers (lung, pancreatic, stomach, or brain). Cancer patients are at high risk for clots, which can be deadly. Researchers will follow 200 participants for 12 months, taking blood samples each month to measure how their blood clots. The goal is to develop a simple test that could help doctors prevent clots before they happen.
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 that helps doctors identify which cancer patients are at highest risk for dangerous blood clots, allowing earlier prevention.
- What could go wrong
- This is an observational study, not a treatment trial. It is still recruiting and results may not lead to a widely used test. The blood test may not reliably predict clots in all patients.
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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About 200 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2023
- Expected to finish
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Sep 2028
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.
- Ages
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18 years and older
- Sex
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Anyone
- 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: 1. Patient aged \> 18 years, 2. Patient with a solid cancer at high risk of thrombosis, whether metastatic or not (lung, pancreatic, gastric or glioblastoma cancers)1, 3. Patients who have not received any systemic treatment for their cancer, 4. An informed patient who does not object to the use of data for research purposes and who has consented to the collection, use and storage of biological samples. Exclusion Criteria: 1. Patient who has had a VTE in the 12 months preceding the diagnosis of cancer, 2. Patient on low molecular weight heparins, standard unfractionated heparins and anti-vitamin K2, 3. Women who are pregnant, likely to become pregnant or who are breast-feeding, 4. Persons deprived of their liberty, under court protection, under curators or under the authority of a guardian, 5. Unable to undergo medical monitoring of the trial for geographical, social or psychological reasons.
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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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Institut de Cancerologie de L'Ouest
RECRUITINGSaint-Herblain, 44805, France
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