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Expert advice slashes unnecessary antibiotic prescriptions in family clinics

NCT ID NCT04848883

Knowledge-focused Sponsor: Institut d'Investigació Biomèdica de Bellvitge Source: ClinicalTrials.gov ↗

What the study statuses mean

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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
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested whether adding infectious disease experts to primary care teams helps reduce unnecessary antibiotic use. Over 1,300 patients from six clinics in Spain took part. Doctors in the expert-advised group could call or meet with specialists to discuss tricky cases. The goal was to see if this support leads to fewer and better antibiotic prescriptions for common infections like colds and urinary tract infections.

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

1,389 people

The number who actually took part.

Started

Jun 2021

Finished

Jun 2024

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

15 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.

Inclusion criteria at centre-level (clusters) * Primary care centres belonging to the Delta del Llobregat healthcare area. * Prior experience in clinical research and formal agreement to participate in the study. * Comparability of their reference populations. All general practitioners of the 6 primary care centers will be included in our clinical trial, excepting paediatricians. Data collection will be performed on patients attended in these centres. Inclusion and exclusion criteria will be applied on the patients attended by general practitioners: Inclusion criteria at patient-level criteria (unit for secondary objectives) * Adult patients (aged \>14 years). * Diagnosed with an acute URTI (including pharyngoamygdalitis, sinusitis, otitis) or UTI (including cystitis, prostatitis, pyelonephritis) during the study period. * Patients attended by a GP at the selected centres. Eligible patients will be identified following the International Classification of Diseases (ICD-10) CM codes as follows: * URTI: J00, J01, J02, J03, J04, J05, J06, J31, J39, H60, H62, H65, H66, H67, H83 and H92. * UTI: N10, N30, N39, N41, R82 and O23. Exclusion criteria: * Patients less than 14 years old. * Patients with indwelling urinary catheter. * Patients with congenital urinary tract abnormalities. * Pregnant women. * Patients undergoing urological surgery.

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Conditions

The condition(s) this trial relates to.

infectious disease respiratory tract infectious disorder urinary tract infection

As listed by the trial registrant

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

Infectious disease

Contacts and locations

Locations

  • Hospital Univeristari de Bellvitge

    Barcelona, Catalonia, s/n, Spain

More trials for these conditions

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