Massive study reveals hidden cancer risk in rare gut tumor patients
NCT ID NCT07291752
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study analyzed data from over 93,000 people diagnosed with a gastrointestinal carcinoid tumor between 2000 and 2022. Researchers wanted to find out if these patients are more likely to develop a second, different gastrointestinal cancer. They used a large cancer database to calculate the risk. The study did not involve any new treatments or interventions.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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93,481 people
The number who actually took part.
- Started
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Dec 2000
- Finished
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Dec 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.
Who is studied
patients diagnosed with gastrointestinal carcinoid tumor
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- 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: * patients diagnosed with gastrointestinal carcinoid tumor. * patients diagnosed from 2000 till 2022 Exclusion Criteria: * patients diagnosed with autopsy only or death certificate only. * patients lacking age documentation.
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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.
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- 93,000 patients studied: what decades of data reveal about carcinoid cancer survival