Clinical Research Directory

Inclusion Criteria: * Patients with bacteremic cUTIs caused by Gram-negative bacteria treated with FEP/META or BAT * Adult population (age ≥ 18 years) * Signed informed consent form Exclusion Criteria: * Polymicrobial/mixed infections (Gram-positive bacteria or fungi together with Gram-negative microorganisms), except in cases involving multiple Gram-negative bacteria susceptible to the study drugs * Patients with negative blood cultures * Isolation of Gram-negative microorganisms not susceptible to the study drugs (e.g., KPC-producing organisms) * Patients in palliative care or with a high likelihood of death within 72 hours from the index positive blood culture * Patients treated with inappropriate therapy for more than 48 hours * Patients discharged early without follow-up blood cultures * History of significant hypersensitivity or allergic reactions to cefepime, to any of the excipients in the respective formulations, or to beta-lactamase inhibitors (e.g., tazobactam)