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Hidden STIs may mimic IBD in the gut, new study suggests
NCT ID NCT07061899
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study is checking how many people with suspected hemorrhagic proctosigmoiditis (a type of bowel inflammation) actually have a sexually transmitted infection (STI) like chlamydia or gonorrhea. Researchers will take a swab during a routine colonoscopy from 214 patients across several hospitals in Denmark. If an STI is found, patients will be offered treatment. The goal is to find out how often STIs are the real cause of symptoms that look like inflammatory bowel disease.
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 study could show that many cases of hemorrhagic proctosigmoiditis are actually caused by undiagnosed STIs, leading to better testing and treatment guidelines.
- What could go wrong
- This is an observational study with no new treatment being tested. It only measures how common STIs are in this group, so it won't directly change care. Results may not apply to other regions or populations.
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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214 people
The number who actually took part.
- Started
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Oct 2024
- Expected to finish
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Mar 2026
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.
Who is studied
Patients suspected of haemorrhagic proctosigmoiditis with either newly diagnosed or recurrent disease who undergo lower endoscopy
- 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 suspected of haemorrhagic proctosigmoiditis with either newly diagnosed or recurrent disease who undergo lower endoscopy Exclusion Criteria: * Patients who does not accept the swap to be taken
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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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Aarhus University Hospital
Aarhus N, 8200, Denmark
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Gødstrup Regional Hospital
Herning, 7700, Denmark
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Randers Regional Hospital
Randers, 8930, Denmark
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Silkeborg Regional Hospital
Silkeborg, 8600, Denmark
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Viborg Regional Hospital
Viborg, 8800, Denmark
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