INterest of the Negative Predictive Value of Integrons in the reduCtion of Large Broad-spectrum anTibiotics Consumption for Urinary Tract infectionS

Condition(s) studied

Investigational drug(s) / intervention(s)

Detection of integrons: Empirical parenteral antibiotic therapy will be guided based on the detection of integrons. If integrons detection is positive, a large broad spectrum therapy with ureidopenicillin and β-lactamase inhibitors combinations (Piperacillin-Tazobactam) or carbapenems (Imipenem, Meropenem) will be prescribed. If integrons detection is negative, patient will receive a parenteral 3GC (ceftriaxone, cefotaxime, ceftazidime or cefepime). The treatment will be started after the integron detection.

Gold standard: The comparative treatment will be an empirical antibiotic therapy with ureidopenicillin and β-lactamase inhibitors combinations (Piperacillin-Tazobactam) or carbapenems (Imipenem, Meropenem) at clinician's discretion. The treatment will be started after the randomization

Study summary

Urinary tract infections (UTI), mainly driven by Gram-negative bacteria (GNB) are a frequent cause of hospitalization and the second cause of antibiotic prescription after lower respiratory tract infections. Integrons play a major role in the dissemination of antibiotic resistance among GNB. In the prospective INVICTUS project, whose ultimate objective is to reduce the use of large broad-spectrum antibiotics, our hypothesis is that, in adult patients with a non-severe UTI (qSOFA\<2) and a former documentation with a 3GC-resistant GNB in the previous 6 months, integrons search could reduce the empirical use of large broad-spectrum antibiotics.

Eligibility

Primary outcome measure(s)

• Number of days with large broad-spectrum antibiotic therapy — Day 7
  Number of days with large broad-spectrum antibiotic therapy (ureidopenicillin and β-lactamases inhibitor combinations or carbapenems) during the first week of treatment (i.e., until Day 7 after admission) in the experimental arm compared to the number of days with large broad-spectrum antibiotic therapy in the control arm

Trial sites (7)

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