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Lab note could curb antibiotic overuse for common stomach bugs

NCT ID NCT07701135

Knowledge-focused Sponsor: Medical Research Institute of New Zealand 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 14, 2026 · Last updated Jul 15, 2026 · Updated 1 time

Summary

This study tests whether adding a simple interpretive comment to faecal PCR test reports can reduce unnecessary antibiotic prescribing for bacterial gastroenteritis. Many cases of stomach infection are self-limiting and do not require antibiotics, yet prescribing rates remain high. The trial involves over 10,000 community stool samples in New Zealand, comparing antibiotic use before and after the comment is added to lab reports.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Interpretive comment added to laboratory report
What this could lead to
If effective, this simple change could reduce unnecessary antibiotic prescriptions for common stomach infections, helping fight antibiotic resistance.
What could go wrong
This is an observational study, not a controlled trial, so results may not prove cause and effect. The impact may vary by region or healthcare setting.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 10,000 people

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

Started

Jun 2026

Expected to finish

Sep 2027

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.

Ages

6 months and older

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age over six months * Stool sample submitted to Awanui Labs for faecal bacterial pathogen testing from a community health provider during the study period * Test results report the detection of: Campylobacter spp, Shigella spp/Entero-invasive Escherichia coli, Salmonella spp, Yersinia spp, or Aeromonas spp. Exclusion Criteria: * Samples where only Clostridioides difficile or Helicobacter pylori testing has been requested will be excluded * Samples sent for Public Health testing (e.g. testing for clearance of Salmonella spp) will be excluded.

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Conditions

The condition(s) this trial relates to.

gastroenteritis

As listed by the trial registrant

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

Diagnostic communication Gastroenteritis acute

How to take part

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

  1. The places running it

    4 sites. 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

  • Awanui Labs Auckland

    RECRUITING

    Auckland, New Zealand

  • Awanui Labs Christchurch

    RECRUITING

    Christchurch, New Zealand

  • Awanui Labs Dunedin

    RECRUITING

    Dunedin, New Zealand

  • Awanui Labs Wellington

    RECRUITING

    Wellington, 6012, New Zealand

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