Blood test aims to spot hidden cancer cells in 9 tumor types
NCT ID NCT06967961
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study is looking for certain cells in the blood of people with 9 types of advanced cancers that have spread. Researchers will take one blood sample from each of 450 participants before they start a new treatment. They will use two different lab methods to see if they can find these cells. The goal is to learn more about these cells, not to treat the cancer.
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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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About 450 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2025
- Expected to finish
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Jul 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.
- 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.
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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.
Inclusion Criteria: * 1\. Patients with one of the following cancer types: urothelial carcinoma, renal carcinoma, prostate adenocarcinoma, upper aerodigestive tract carcinoma, cervival carcinoma, adenocarcinoma of endometrium, cutaneous melanoma, soft tissue sarcoma, seminomatous and nonseminomatous germ cell tumors * 2\. Metastatic disease for which the treatment (whatever the line) has not been initiated yet * 3\. Age ≥ 18 years * 4\. Patient affiliated to a French Social Security scheme * 5\. Patient having signed his/her informed consent prior to inclusion in the study and prior to any specific procedure for the study. Exclusion Criteria: * 1\. Patient with localized disease. * 2\. Pregnant or breast-feeding women. * 3\. Any psychological, family, geographical or sociological condition that prevents compliance with the medical monitoring and/or procedures set out in the study protocol. * 4\. Patient who has forfeited his/her freedom by administrative or legal award or who is under legal protection (curatorship and guardianship, protection of justice).
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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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Oncopole Claudius Regaud, IUCT-O
RECRUITINGToulouse, 31059, France
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