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14,000-Person study hunts for hidden triggers of rare tumors
NCT ID NCT06282016
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study aims to find out what factors might increase the risk of developing neuroendocrine tumors, a rare type of cancer. Researchers will analyze health records from over 14,000 people in Bavaria, Germany, looking at things like smoking, diabetes, and even depression. The goal is to better understand why these tumors have become more common in recent years.
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 14,250 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2025
- Expected to finish
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Aug 2026
An estimate. End dates often move.
- Lead sponsor
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A government agency
The lead sponsor is a government body.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Cases are defined as all persons with a malignant neuroendocrine neoplasm of the bronchopulmonary or gastroenteropancreatic system diagnosed between 2021 and 2023. Controls are defined as noncases in the source population of cases, i.e. persons with a statutory health insurance and at least one outpatient physician contact in Bavaria between 2021 and 2023, whose residence was in Bavaria. Two controls will be sampled for each case.
- 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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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: * Persons with a statutory health insurance (about 85% of the population) and at least one outpatient physician contact in Bavaria between 2021 and 2023 * Residence in Bavaria Exclusion Criteria: * None
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Get notified about this study
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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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Bavarian Cancer Registry, Bavarian Health and Food Safety Authority
RECRUITINGNuremberg, Bavaria, 90441, Germany