An randomized, controlled, investigator-blinded, prospective, mono-centre study to evaluate the efficacy of fosfomycin versus meropenem in patients with complicated urinary tract infections

This study will primarily address the question of the efficacy of intravenous fosfomycin 4 g b.i.d. in the therapy of patients presenting with complicated urinary tract infection. These data will be compared to meropenem administered intravenously at a dose of 2 g b.i.d.