Could a simple blood test replace the annoying 24-Hour urine collection for tumor diagnosis?
NCT ID NCT02826928
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at 116 people with small-intestine neuroendocrine tumors to see if a blood test or a shorter urine collection could replace the standard 24-hour urine test for diagnosis. The goal was to find a simpler, equally accurate way to measure a key tumor marker called 5HIAA. Results may lead to easier and faster testing for patients.
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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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116 people
The number who actually took part.
- Started
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Oct 2016
- Finished
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Jun 2022
- 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 to 99 years
- 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: * Histologically proven small-intestine neuroendocrine tumors, at initial diagnosis or during the follow-up * Irritable bowel syndrome, diagnosed following Rome III criteria, who had an ileo-colonoscopy and an abdominal CT-scan within the 12 last months * Age \> 18 years * No antitumor treatment within the last three months excepted somatostatin analogs * Ability of understanding and approving the study protocol and of providing written consent * Affiliation to the French Health Social System Exclusion criteria * Small-intestine neuroendocrine tumor in remission (no detectable disease) * Other malignancies than small-intestine neuroendocrine tumors (excepted if in remission for more than 2 years) * Kidney insufficiency (MDRD \< 60/min) * Urinary incontinency or inability to collect urines * Any antitumor treatment within the last three months excepted somatostatin analogs * Inability to interrupt treatments interfering with 5HIAA dosage * Pregnancy * Patients under law protection
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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
Locations
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Chu Reims
Reims, 51092, France