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Can a simple letter curb antibiotic overuse? BC study aims to find out

NCT ID NCT07431190

Knowledge-focused Sponsor: University of British Columbia 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study evaluates a program that sends family doctors and nurse practitioners a confidential report comparing their antibiotic prescribing to peers, along with an educational summary. Over 7,600 practitioners in British Columbia will be randomly assigned to receive the report early or after a nine-month delay. Researchers will use health data to see if the feedback reduces unnecessary antibiotic prescriptions, especially for common infections like colds and bronchitis.

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 could provide a proven method to reduce unnecessary antibiotic use, helping to slow antimicrobial resistance in primary care.
What could go wrong
This is an observational-style evaluation, not a treatment trial. The intervention may not change prescribing habits significantly, and results may not apply outside British Columbia.

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 7,626 people

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

Expected to start

Feb 2026

An estimate. Start dates often move.

Expected to finish

Nov 2028

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

18 years 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.

Practitioner Inclusion Criteria: Registered in 2024 with the BC Medical Services Plan (MSP) with: * A valid MSP billing number; * Status of Salaried, Private Practice, Temporary Licence, or Post Graduate; * Prescribed \>100 dispensed medications in 2024. Exclusion Criteria: * Previously opted out of the Therapeutics Initiative Portrait program Patient Exclusion Criteria: * Age \<18 years at time of oral antibiotic dispensation; * Received PharmaCare benefits through the Palliative Care program at any time during the baseline or study period; * Hospitalized within 1 week prior to an antibiotic prescription at any time during the baseline or study period; * On chronic suppressive antibiotic therapy (≥90 days' supply of any antibiotic dispensed) during the baseline or study period

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Conditions

The condition(s) this trial relates to.

posterior leukoencephalopathy syndrome

As listed by the trial registrant

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

Antibiotics Antimicrobial drug resistance Feedback Prescribing Quality improvement

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

  • Therapeutics Initiative - Dept of Anesthesiology, Pharmacology & Therapeutics, Faculty of Medicine, University of British Columbia

    Vancouver, British Columbia, V6T 1Z3, Canada

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