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Hidden stomach germs found during routine colonoscopy in healthy adults

NCT ID NCT07346521

Knowledge-focused Sponsor: Sigmund Freud PrivatUniversitat Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at how common Helicobacter pylori (a stomach germ linked to cancer) is in adults without stomach symptoms who are already getting a screening colonoscopy. About 1,000 participants will also have a stomach exam (gastroscopy) during the same visit, with small tissue samples taken to check for the germ and early cancer signs. The goal is to learn how often these hidden risks occur and if they are linked to lifestyle or family history.

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

About 1,000 people

The number the study aims to enrol. It can still change while the study runs.

Started

Dec 2025

Expected to finish

Dec 2026

An estimate. End dates often move.

Lead sponsor

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

Asymptomatic patients without upper gastrointestinal symptoms undergoing a Screening-Colonoscopy

Ages

30 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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: * Age ≥ 30 years * Scheduled screening colonoscopy (either initial screening or surveillance following previously detected polyps) * Asymptomatic (no gastrointestinal symptoms) * Willingness and consent to undergo simultaneous gastroscopy with biopsy sampling * Written informed consent to participate in the study, including the use of histological findings and patient data for study analysis Exclusion Criteria: * Known Helicobacter pylori infection or previous treatment for H. pylori * Current or recent proton pump inhibitor (PPI) therapy (\< 4 weeks) * Pre-existing gastrointestinal diseases (e.g., chronic gastritis, ulcer, gastric carcinoma) * Immunosuppression or relevant underlying diseases * Refusal to undergo additional gastroscopy or biopsy

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Conditions

The condition(s) this trial relates to.

Barrett esophagus gastric intestinal metaplasia Helicobacter pylori infectious disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Barett's esophagus Helicobacter pylori infections Intestinal metaplasia

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • Wiener Privatklinik (WPK)

    RECRUITING

    Vienna, 1090, Austria

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