Overview Randomized Trial of Ciprofloxacin Versus Observation for Men With Elevated Prostate Specific Antigen (PSA) Status: Terminated Trial end date: 2011-05-01 Target enrollment: Participant gender: Summary The purpose of this study is to assess the impact of an empiric course of antibiotics for men with an elevated prostate-specific antigen (PSA) level. Phase: Phase 3 Details Lead Sponsor: University of ChicagoTreatments: Ciprofloxacin