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Gut bugs on the move? new study tracks Bacteria's journey to surgical wounds

NCT ID NCT03554148

Knowledge-focused Sponsor: Insel Gruppe AG, University Hospital Bern Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is observing 209 adults undergoing planned abdominal surgery to understand how bacteria might travel from the gut to cause surgical site infections. Researchers collect samples (skin, rectal, blood, and tissue biopsies) during surgery and use DNA sequencing to track bacterial movement. The goal is to see if bacterial DNA in the liver or lymph nodes is linked to later wound infections.

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 help identify ways to predict or prevent surgical site infections after abdominal surgery.
What could go wrong
This is an observational study, not a treatment trial. It will not directly test any new drug or intervention, so any insights may take years to translate into clinical practice.

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 209 people

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

Started

Jul 2017

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

Consecutive patients undergoing elective visceral surgery. Mostly for oncological indications.

Ages

18 years and older

Sex

Anyone

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: * Informed Consent * All Ages * All Gender * Elective Abdominal Surgery * Age \> 18 * All approached (laparoscopic, open) * All ethnic and sociodemographic backgrounds * Sufficient knowledge of the study language (German) Exclusion Criteria: * pregnant or lactating women * no operation performed (i.e. only planned) * insufficient knowledge of project language (German) * lack of informed consent * known colonization with multi-resistant bacteria (e.g. Methicillin-resistant Staphylococcus aureus (MRSA) or extended spectrum betalactamase (ESBL)) * known cirrhotic liver disease

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Conditions

The condition(s) this trial relates to.

Surgical Wound Infection

As listed by the trial registrant

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

Surgical site infection

Contacts and locations

Locations

  • Inselspital, University Hospital Bern, Visceral Surgery Department

    Bern, 3008, Switzerland

More trials for these conditions

Other studies related to the condition(s) this trial covers.