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Post-Emergency Optimization of Antibiotic Therapy for Urinary Tract Infection (UTI) (REVIU48)

25. august 2026 opdateret af: Centre Hospitalier Intercommunal Creteil

Post-Emergency Optimization of UTI Antibiotic Therapy: "Fluoroquinolones and Third-Generation Cephalosporins Under the Spotlight"

Prospective, multicenter, non-interventional study conducted over 6 months, including patients presenting to the emergency department with suspected urinary tract infection managed as outpatients and discharged with or without empiric antibiotic therapy.

Discharge antibiotic prescriptions are reviewed, with subsequent reassessment and optimization of treatment based on urine culture and susceptibility results

Studieoversigt

Detaljeret beskrivelse

Urinary tract infections are a frequent cause of emergency department visits, accounting for substantial antibiotic use. Data from the OSCOUR (Organisation de la Surveillance Coordonnée des Urgences) network estimate around 5,000 weekly visits. Resistance rates among Enterobacteriaceae in urine samples are particularly high, largely driven by the widespread use of broad-spectrum antibiotics, especially fluoroquinolones, which are commonly prescribed as empiric therapy. Given their potential for serious adverse effects and their strong selective pressure for resistance, stricter control of their use is warranted, yet remains insufficient.

In current emergency practice, conditions such as pyelonephritis or male urinary tract infections are often treated with broad-spectrum antibiotics that are continued even when pathogens are susceptible to narrower agents. De-escalation to narrower-spectrum therapies would help preserve the microbiota and limit resistance.

This study is a prospective, multicenter, non-interventional observational study conducted over 6 months. It includes patients presenting to the emergency department with suspected urinary tract infections managed on an outpatient basis and discharged with or without empiric antibiotic therapy. Antibiotic treatments are reassessed 48 - 72 hours after inclusion by a physician, allowing for patient follow-up and potential modification of the initial prescription based on urine culture and susceptibility results, in accordance with current guidelines.

The study aims to assess the value of this reassessment strategy in improving antimicrobial stewardship for urinary tract infections in emergency settings and to inform future optimization of clinical practices.

Undersøgelsestype

Observationel

Tilmelding (Anslået)

330

Kontakter og lokationer

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Studiekontakt

Undersøgelse Kontakt Backup

Studiesteder

      • Melun, Frankrig
        • Ikke rekrutterer endnu
        • GHSIF
        • Kontakt:
          • De Pontfarcy, MD
      • Saint-Denis, Frankrig
        • Ikke rekrutterer endnu
        • CH St denis
        • Kontakt:
          • SAYRE, MD
      • Villeneuve-Saint-Georges, Frankrig
        • Rekruttering
        • CHIV
        • Kontakt:
          • Anna BELKACEM, MD

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Prøveudtagningsmetode

Ikke-sandsynlighedsprøve

Studiebefolkning

Inclusion of patients presenting with suspected outpatient urinary tract infections, to the emergency department

Beskrivelse

Inclusion Criteria:

  • Age 18 years or over
  • Patients presenting at emergency department, with symptoms suggestive of a urinary tract infection suitable for outpatient management (uncomplicated cystitis or cystitis at risk of complications, uncomplicated pyelonephritis or pyelonephritis at risk of complications, male urinary tract infection with or without fever) who have had a urine culture taken

Exclusion Criteria:

  • Refusal to participate in the study
  • Vulnerable person (person under guardianship or trusteeship, minor, person deprived of liberty, person unable to express their refusal)
  • Pregnant women
  • Severe urinary tract infection (sepsis, septic shock or requiring drainage, except for low urinary catheterisation)
  • Hospitalisation for a urinary tract infection or decompensation of another comorbidity
  • Suspected urinary tract infection without a urine culture having been performed

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

Kohorter og interventioner

Gruppe / kohorte
Intervention / Behandling
Suspected of outpatient urinary tract infection
Inclusion of patients with outpatient urinary tract infection in emergency department
Re assessment of antibiotic therapy at 48 hours based on urine culture results : discontinuation or de-escalation to a narrower-spectrum agent

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Tidsramme
Assess changes in fluoroquinolone and third-generation cephalosporin prescribing in outpatient urinary tract infections following adjustment based on urine culture and susceptibility results.
Tidsramme: At 48 hours - 72 hours after the patient inclusion
At 48 hours - 72 hours after the patient inclusion

Sekundære resultatmål

Resultatmål
Tidsramme
Incidence (percentage) of adverse effects associated with antibiotics.
Tidsramme: At 1 month after the consultation in the Emergency department
At 1 month after the consultation in the Emergency department
Incidence (percentage) of antibiotic prescription savings in the Emergency department for outpatient urinary tract infections (cessation of prescription, shortening of treatment duration and/or narrowing of the spectrum) following the intervention
Tidsramme: At 48 hours - 72 hours after the patient inclusion
At 48 hours - 72 hours after the patient inclusion
Assessment of patient satisfaction with medical follow-up via a question asked directly to the patient via a questionnaire (Better if more than 50 percent of patients are satisfied)
Tidsramme: At 1 month after the consultation in the Emergency department
At 1 month after the consultation in the Emergency department
Assessment of patients' knowledge of antibiotic resistance via a question asked directly to the patient via a questionnaire (Better if more than 50 percent of patients are satisfied)
Tidsramme: At 1 month after the consultation in the Emergency department
At 1 month after the consultation in the Emergency department

Samarbejdspartnere og efterforskere

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Datoer for undersøgelser

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Studer store datoer

Studiestart (Faktiske)

1. juni 2026

Primær færdiggørelse (Anslået)

1. januar 2027

Studieafslutning (Anslået)

1. januar 2027

Datoer for studieregistrering

Først indsendt

9. april 2026

Først indsendt, der opfyldte QC-kriterier

23. april 2026

Først opslået (Faktiske)

30. april 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

26. august 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

25. august 2026

Sidst verificeret

1. august 2026

Mere information

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