Cefepime/AAI101 Phase 2 Study in Hospitalized Adults With cUTI

Inclusion criteria: • Male or female patients with clinical signs and/or symptoms of cUTI or acute pyelonephritis that were expected to require hospitalization and initial treatment with at least 7 days of i.v. antibiotics. Exclusion criteria: * Patients with concurrent infection that would interfere with evaluation of response to the study antibiotics; * Patients needing concomitant systemic antimicrobial agents in addition to those designated in the various study treatment groups; * Patients receiving effective antibacterial drug therapy for any indication for a continuous duration of \>24 hours during the previous 72 hours before the study-qualifying baseline urine was obtained or receiving any amount of potentially therapeutic antibacterial therapy after collection of the pre-treatment baseline urine culture and before administration of the first dose of study drug; * Patients likely to require the use of an antibiotic for cUTI or acute pyelonephritis prophylaxis during participation in the study; * Patients with confirmed fungal urinary tract infection at the screening visit (with ≥103 fungal colony forming units \[CFU\]/mL); or * Patients with intractable urinary infection at baseline that the Investigator anticipated would require \>10 days of study drug therapy were excluded from participation